tag:blogger.com,1999:blog-38457832754288023692024-03-05T03:14:46.184-08:00Alteisenrestaurator - ScrapmetalrestorerA-baerhttp://www.blogger.com/profile/02377391887987144084noreply@blogger.comBlogger37125tag:blogger.com,1999:blog-3845783275428802369.post-11303687823821181772016-11-07T02:07:00.000-08:002016-11-07T03:44:35.712-08:00Measuring light speed with simple setup<div class="separator" style="clear: both; text-align: center;">
<span style="font-family: "courier new" , "courier" , monospace;">Als Ingenieur habe ich immer wieder Freude daran, wenn man in der Praxis die Theorie verifizieren kann. </span></div>
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<span style="font-family: "courier new";">Deshalb möchte ich von ersten geglückten Gehversuchen auf dem Gebiet der Hochfrequenztechnik erzählen.</span></div>
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<span style="color: #cc0000; font-family: "courier new";">As engineerI always enjoy verifying theory in real life. Therefore I would like to tell about first successful moves in the field of high frequency engineering.</span><span style="font-family: "courier new";"></span> </div>
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<span style="font-family: "courier new";">Um mir einen vernünftigen Antennenanschluss in die Werkstatt im Keller zu legen, wollte ich die Eigenschaften von verschiedenen Hochfrequenzkabeln ausmessen.</span></div>
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<span style="font-family: "courier new";"><span style="color: #cc0000;">To provide a reasonable antenna connction in my workshop in the cellar I wanted to measure the properties of several high frequency cables.<span style="font-family: "courier new";"></span></span><span style="font-family: "times new roman";"> </span><br /><br />Nun habe ich als Energietechnik-Ingenieur natürlich auch viel mit Leitungen zu tun gehabt. Mit Hochspannungsleitungen. Die Theorie dahinter ist prinzipiell dieselbe wie für Hochfrequenzleitungen.</span></div>
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<span style="font-family: "courier new";"><span style="color: #cc0000;">As electrical power engineer I also had to deal a lot with transmission lines. High voltage Transmission lines. The theory behind them is pricipally the same as for high frequency lines.</span><span style="font-family: "times new roman";"> </span></span></div>
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<span style="font-family: "courier new";">Allerdings werden Hochspannungsleitungen in der Regel mit Wechselspannungen der Frequenz 50Hz (in USA 60Hz) betrieben. Bei diesen niedrigen Frequenzen sind die Wellenlängen der entstehenden elektromagnetischen Wellen in der Grössenordnung von 6000km (!). D.h. die meisten realen Hochspannungsleitungen sind um Grössenordnungen kürzer als diese Wellenlänge. </span></div>
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<span style="color: #cc0000; font-family: "courier new";">However high voltage transmission lines are usually operated at 50Hz (in USA 60Hz). At such low frequencies the wavelengths of the corresponding electromagnetic waves are in the order of magnitude of 6000km (!). That means that most of the transmission lines are orders of magnitude shorter than the wavelength.</span> </div>
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<span style="font-family: "courier new";">Daher spielen in Stromnetzen die Effekte, die ich im Folgenden beschreibe, normalerweise keine Rolle. </span></div>
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<span style="font-family: "courier new";">Bei Frequenzen von 1MHz (=1.000.000 Hz) oder mehr im Radiowellenbereich sieht das aber schon anders aus.</span></div>
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<span style="color: #cc0000; font-family: "courier new";">Therefore the effects described below are usually not important in power networks. </span><span style="color: #cc0000; font-family: "courier new";">At frequencies of 1MHz (=1.000.000 Hz) or higher however this is different</span><span style="color: #cc0000; font-family: "courier new";">.</span></div>
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<span style="font-family: "courier new";">Zuerst wollte ich die Wellenwiderstände verschiedner Kabel messen. Der Wellenwiderstand ist eine zentrale Kenngrösse die in den Differentialgleichungen der Übertragungsleitungen eine wesentliche Rolle spielt. </span></div>
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<span style="color: #cc0000; font-family: "courier new";">At first I wanted to measure the characteristic impedences of some cables. The characteristic impedence is a central parameter playing an important role in the differential equations of transmission lines.</span></div>
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<span style="font-family: "courier new";">Dazu habe ich an meinem Funktionsgenerator eine Rechteckspannung von 1Mhz eingestellt, die - wie man im folgenden Bild sieht - zwischen +2V und -2V periodisch hin und her pendelt, und zwar 1 Million mal pro Sekunde.</span></div>
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<span style="color: #cc0000; font-family: "courier new";">To this end I set my function generator to a 1MHz square wave which - as can be seen in the following picture - switches periodically between +2V and -2V one million times per second.</span></div>
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<tr><td class="tr-caption" style="text-align: center;"><span style="font-family: "courier new" , "courier" , monospace;">Ausgangsspannung des Rechteckgenerators ohne angeschlossenes Kabel<br /><span style="color: #cc0000;">Voltage of the square wave generator without cable connected.</span></span></td></tr>
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<span style="font-family: "courier new" , "courier" , monospace;">Wie man sieht, liefert der Generator auch ein schönes sauberes Rechteck, das ich mit einem Oszilloskop direkt am Generatorausgang gemessen habe.</span></div>
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<span style="color: #cc0000; font-family: "courier new";">As you can see, the generator delivers a nice clean square wave which I measured with an oscilloscope directly at the output of the generator.</span></div>
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<span style="font-family: "courier new";">Dann habe ich ein 8m langes Hochfrequenzkabel an diesen Generator angeschlossen, und zwar </span><span style="font-family: "courier new";">ein sogenanntes Koaxialkabel. <br />Das heisst so, weil der Hinleiter und der Rückleiter koaxial angeordnet sind: Das Kabel hat einen kreisförmigen Querschnitt, der Hinleiter ist ein dicker Kupferdraht in der Mitte, darum herum liegt eine Kunststoffisolation und der Rückleiter ist ein Kupfergeflecht, dass konzentrisch direkt unter der äusseren Isolierung sitzt. Dieser Aufbau hat den Vorteil, dass sich das ganze elektromagnetische Geschehen zwischen diesem Kupfergeflecht und dem Innenleiter abspielt und nichts von innen nach aussen und auch nichts von aussen nach innen dringt.</span></div>
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<span style="color: #cc0000; font-family: "courier new";">Then I connected a high frequency cable of length 8m to this Generator. It was a so called coaxial cable. It is termed coaxial because the two conductors are arranged in a coaxial way: It has a circular cross section, the forward conductor is a copper wire in the centre, surrounded by isolation and the return conductor is a meshwork of thin copper wires which lies concentrically below the outer isolation. This structure has the advantage that the electromagnetical field is confined to the space between the central conductor and the copper meshwork so that nothing goes from inside out or from outside in.</span></div>
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<span style="font-family: "courier new";">Das Ende des Kabels habe ich offen gelassen.</span></div>
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<span style="color: #cc0000; font-family: "courier new";">The end of the cable was left open.</span></div>
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<span style="font-family: "courier new";">Und das ist das, was das Kabel aus meiner schönen Rechteckspannung gemacht hat:</span></div>
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<span style="color: #cc0000; font-family: "courier new";">And this is, what the cable did to my nice square wave:</span></div>
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<tr><td class="tr-caption" style="text-align: center;"><span style="font-family: "courier new" , "courier" , monospace;">Spannung am Kabelanfang bei offenem Kabelende</span><br />
<span style="color: #cc0000; font-family: "courier new";">Voltage at cable entrance with cable end open</span></td></tr>
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<span style="font-family: "courier new" , "courier" , monospace;">Als ich das Kabel am Ende kurzgeschlossen, d.h. den Innenleiter mit dem Kupfergeflecht verbunden habe, wurde es anders, aber auch nicht viel besser:</span></div>
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<span style="color: #cc0000; font-family: "courier new";">When I shorted the cable at the end, i.e. connected the central wire with the meshwork, the picture was different but not better.</span></div>
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<tr><td class="tr-caption" style="text-align: center;"><span style="font-family: "courier new" , "courier" , monospace;">Spannung am</span><span style="font-family: "courier new" , "courier" , monospace;"> Kabelanfang bei kurzgeschlossenem Kabelende</span><br />
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<span style="font-family: "courier new" , "courier" , monospace; font-size: small;">Diese merkwürdige Verhalten kommt von den Reflektionen am Kabelende. Bei offenem oder bei kurzgeschlossenem Kabelende - oder allgemeiner: wenn das Kabel nicht mit seinem Wellenwiderstand abgeschlosssen ist - wird die vom Anfang zum Ende laufende elektromagnetische Welle am Kabelende ganz oder zum Teil reflektiert. Sie läuft dann zum Kabelanfang zurück und überlagert sich dort mit der vorlaufenden Welle, die aus dem Generator kommt. Und diese Überlagerung misst man.</span><br />
<span style="color: #cc0000; font-family: "courier new" , "courier" , monospace; font-size: small;">The reason for this peculiar behaviour are the reflections at the cable end. When the cable end is open or shorted - or more generally: when the cable is not terminated with it's characteristic impedence - the forward wave propagating from the beginning to the end of the cable is reflected completely or partially at the cable end. The reflected part then propagates back to the beginning of the cable and there adds to the forward wave coming out of the generator. And it is this superposition that you measure.</span><br />
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<span style="font-family: "courier new" , "courier" , monospace; font-size: small;">Im Prinzip wusste ich das, aber so deutlich hatte ich das auch noch nicht gesehen.</span><br />
<span style="color: #cc0000; font-family: "courier new"; font-size: small;">Principally I knew that, but I didn't see it so clearly before.</span><br />
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<span style="font-family: "courier new" , "courier" , monospace; font-size: small;">Nur, wenn man das Kabel mit seinem Wellenwiderstand abschliesst, dann tritt keine Reflexion auf.</span><br />
<span style="color: #cc0000; font-family: "courier new"; font-size: small;">Only if the cable is terminated with it's characteristic impedence, no reflection occurs.</span><br />
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<span style="font-family: "courier new" , "courier" , monospace; font-size: small;">Das konnte ich mit dem kleinen silbernen Kästchen machen, das am Ende des schwarzen Kabels auf dem folgenden Bild liegt. </span><br />
<span style="color: #cc0000; font-family: "courier new" , "courier" , monospace; font-size: small;">This was done with the small silverish box at the end of the black cable on the next picture.</span></td></tr>
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<tr><td class="tr-caption" style="text-align: center;"><span style="font-family: "courier new" , "courier" , monospace;">Der einfache Versuchsaufbau zur Messung des Wellenwiderstandes</span><br />
<span style="color: #cc0000; font-family: "courier new";">The simple experimental setup for measuring the characteristic impedence</span></td></tr>
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<span style="font-family: "courier new" , "courier" , monospace; font-size: small;">Und siehe da: Die zunächst völlig verzerrte Spannung am Kabeleingang (s.o.) wird zu einem fast sauberen Rechteck.</span></div>
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<span style="color: #cc0000; font-family: "courier new";">And look: The voltage at the cable entrance which before was utterly distorted turned into a clean neat square wave again.</span></div>
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<tr><td class="tr-caption" style="text-align: center;"><span style="font-family: "courier new" , "courier" , monospace;">Spannung am Kabelanfang bei Abschluss des Kabels mit dem Wellenwiderstand</span><br />
<span style="color: #cc0000; font-family: "courier new";">Voltage at cable entrance with characteristic impedence at cable end</span></td></tr>
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<span style="font-family: "courier new" , "courier" , monospace;"><span style="font-family: "courier new" , "courier" , monospace;">Interessant ist noch, die Skala zu beachten: Ohne Kabel pendelte die Rechteckspannung des Generators zwischen +2V und -2V hin und her. Mit dem </span><span style="font-family: "courier new" , "courier" , monospace;">angeschlossenem und mit seinem Wellenwiderstand abgeschlossenen Kabel pendelt sie nur noch zwischen +1V und -1V hin und her. </span><span style="font-family: "courier new" , "courier" , monospace;">Wie das?</span></span></div>
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<span style="color: #cc0000; font-family: "courier new";">It is also interesting to observe the scale: Whithout cable connected the square wave switched between +2V and -2V. With the cable connected and terminated with it's characteristic impedence it switches only between +1V and -1V. How is that possible?</span></div>
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<span style="font-family: "courier new" , "courier" , monospace;"><span style="font-family: "courier new" , "courier" , monospace;">Na klar! Der Generator hat einen Innenwiderstand von 50 Ohm und der Wellenwiderstand des Kabels ist auch 50 Ohm (hängt von der Geometrie und den Werkstoffen des Kabels ab). Die beiden bilden einen Spannungsteiler 2:1, und das ergibt 1V statt 2V Amplitude an den Generatorklemmen.</span></span></div>
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<span style="color: #cc0000;">Ah yes! The generator has an internal impedence of 50 Ohms and the characteristic impedence of this cable is 50 Ohms too (depends on the geometry and the material of the cable). These two form a voltage devider 1:2, and that gives 1V instead of 2V at the generator terminals.</span> </div>
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<span style="font-family: "courier new" , "courier" , monospace;">Nachdem das Rechteck jetzt so schön erhalten bleibt, weil es nur noch eine vorlaufende und keine rücklaufende Welle mehr gibt, müsste es doch möglich sein - so dachte ich mir - die Zeit zu messen, die die Rechteckwelle braucht, um vom Anfang des 8m langen Kabels bis zu seinem Ende zu laufen.</span></div>
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<span style="font-family: "courier new" , "courier" , monospace;"><span style="color: #cc0000;">Now that the square wave remained intact, because there was only a forward and no reverse propagating wave, I thought it should be possible to measure the time needed by the square wave to propagate from the beginning to the end of the 8m cable. </span></span></div>
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<span style="font-family: "courier new";">Der Versuchsaufbau dazu ist einfach: Das Kabel wird - wie auf folgendem Bild dargestellt - an den Generator angeschlossen und an seinem Ende mit seinem Wellenwiderstand von 50 Ohm abgeschlossen.</span></div>
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<span style="font-family: "courier new";">Mit dem Oszilloskop misst man auf Kanal 1 die Spannung am Anfang und auf Kanal 2 die am Ende des Kabels. Theoretisch müsste das Rechteck auf Kanal 2 zeitlich ein bisschen verzögert auftreten.</span></div>
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<span style="color: #cc0000; font-family: "courier new";">The experimental setup is simple: As shown in the following picture the cable is connected to the generator and terminated by it's characteristic impedence of 50 Ohms. The oscilloscope measures on channel 1 the voltage at cable entrance and on channel 2 the voltage at the end of the cable. Theoretically the square wave at the end should be slightly delayed.</span></div>
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<tr><td style="text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhAJ8t3sIKyw2tWf9QZnOXt-P_KgDgVMs0i75FpiK0VXUQ-4sNYnsGqOi7FHfvwCHrLRJjDYZiGbLoVjBQWqn5krrdyYwhC14tDtz3WXO6k89gi_tFxmwaYuzSWhPe4nDS06liRGvKH7H1V/s1600/1502142103080001.jpg" imageanchor="1" style="margin-left: auto; margin-right: auto;"><img border="0" height="226" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhAJ8t3sIKyw2tWf9QZnOXt-P_KgDgVMs0i75FpiK0VXUQ-4sNYnsGqOi7FHfvwCHrLRJjDYZiGbLoVjBQWqn5krrdyYwhC14tDtz3WXO6k89gi_tFxmwaYuzSWhPe4nDS06liRGvKH7H1V/s1600/1502142103080001.jpg" width="320" /></a></td></tr>
<tr><td class="tr-caption" style="text-align: center;">Der ebenfalls einfache Versuchsaufbau zur Messung der Lichtgeschwindigkeit im Kabel</td></tr>
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<span style="font-family: "courier new" , "courier" , monospace;">Und in der Tat. So ist es.</span></div>
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<span style="font-family: "courier new";">Das folgende Bild zeigt zuerst einmal nur Kanal 1 mit der Rechteckspannung am Anfang des Kabels (die beiden senkrechten Linien sind Cursor zur Messung der Zeit).</span></div>
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<span style="color: #cc0000; font-family: "courier new";">And indeed. That's how it is.</span></div>
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<span style="color: #cc0000; font-family: "courier new";">The following picture shows only channel 1 with the square wave at the cable entrance (the two vertical lines are the cursors for time measurements).</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEimP4IcG9_nln9O8zorel4qp7zCzgr4m3yjhB-qEyYdcZceIZM5ZiXBgz0gIk3wBKPeWrzUhPthArSIr4FJQjIvfneEY0zmOP-UOAqAz7LffFxhi0Pj1JZivSMabzDqJ-WQM3PAHSioguqb/s1600/Spannung+am+Anfang+des+Kabels.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="240" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEimP4IcG9_nln9O8zorel4qp7zCzgr4m3yjhB-qEyYdcZceIZM5ZiXBgz0gIk3wBKPeWrzUhPthArSIr4FJQjIvfneEY0zmOP-UOAqAz7LffFxhi0Pj1JZivSMabzDqJ-WQM3PAHSioguqb/s1600/Spannung+am+Anfang+des+Kabels.JPG" width="320" /></a></div>
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<span style="font-family: "courier new";">Im nächsten Bild sind beide Kanäle dargestellt und übereinandergelegt.</span></div>
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<span style="color: #cc0000; font-family: "courier new";">The next picture shows both channels on the same baseline.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj_LfCU2_s4WE3-Y-vPAqYzsd7NJrOPeILZKy2YoCRWkCRfB8bBBuvEWb_UZPrzowSvCKifR99yvSH7vwqBa4k0rnPctITa9h53MuJ3Wlr628BErIut6SYxRLI2Tdj60uRjHKO1KOwIGAP3/s1600/Spannung+an+Anfang+und+Ende+des+Kabels.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="240" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj_LfCU2_s4WE3-Y-vPAqYzsd7NJrOPeILZKy2YoCRWkCRfB8bBBuvEWb_UZPrzowSvCKifR99yvSH7vwqBa4k0rnPctITa9h53MuJ3Wlr628BErIut6SYxRLI2Tdj60uRjHKO1KOwIGAP3/s1600/Spannung+an+Anfang+und+Ende+des+Kabels.JPG" width="320" /></a></div>
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<span style="font-family: "courier new";">Die Anstiegsflanken sind im nächsten Bild stark vergrössert, so dass man die Verzögerung zwischen Anfang und Ende messen kann.</span><br />
<span style="color: #cc0000; font-family: "courier new";">The rising end of the pulse is magnified in the next picture making it possible to measure the delay between the pulses measured at the cable entrance and the end of the cable.</span></div>
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<span style="font-family: "courier new";"><br />Die Verzögerung beträgt 44,94 ns.</span><br />
<span style="color: #cc0000; font-family: "courier new";">The delay is 44,94 ns.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgTYoKPS-4u7lNYh70GTejsEMThWZcYdCdCssyMWLfDYFhp6njKwNFtvZQ9Pi1LknlHP55-_pTXG7qv6EP3gbj4cDKews-JA-_4a3kagPOEhaJlZWizEOBZRTFOCuGwNDAmjsWwb20t4DrE/s1600/Anstiegsflanken+am+Anfang+und+am+Ende.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="240" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgTYoKPS-4u7lNYh70GTejsEMThWZcYdCdCssyMWLfDYFhp6njKwNFtvZQ9Pi1LknlHP55-_pTXG7qv6EP3gbj4cDKews-JA-_4a3kagPOEhaJlZWizEOBZRTFOCuGwNDAmjsWwb20t4DrE/s1600/Anstiegsflanken+am+Anfang+und+am+Ende.JPG" width="320" /></a></div>
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<span style="font-family: "courier new";">Daraus ergibt sich die Ausbreitungsgeschwindigkeit der elektromagnetischen Welle im Kabel zu v=8m/44,94ns=178000km/s.</span><br />
<span style="color: #cc0000; font-family: "courier new";">From that the propagation speed of the elctromagnetic wave can be calculated to be: v=8m/44,94ns=178000km/s.</span></div>
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<span style="font-family: "courier new";">Aber halt! Die Lichtgeschwindigkeit war doch konstant und (ca) 300000km/s, oder? Albert Einstein lässt grüssen!</span><br />
<span style="color: #cc0000; font-family: "courier new";">But stop! The speed of light - and more general of electromagnetic waves - was constant and approximately 300000km/s, wasn't it? Greetings from Albert Einstein!</span></div>
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<span style="font-family: "courier new";">Richtig. Aber nur im Vakuum. In Stoffen ist sie kleiner.</span><br />
<span style="color: #cc0000; font-family: "courier new";">True. But only in empty space. In materials it is smaller.</span></div>
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<span style="font-family: "courier new";">Interessant ist in dieser Vergrösserung auch noch, dass die Rechteckflanke am Kabelende doch nicht ganz genau so aussieht, wie die am Anfang. Sie hat eine Beule in der Mitte. Das deutet darauf hin, dass sich in diesem Kabel nicht alle Frequenzanteile, die in dem Rechtecksignal enthalten sind, mit gleicher Geschwindigkeit ausbreiten. Dieses Verhalten nennt man allgemein Dispersion, aber das ist wieder ein anderes Thema.</span><br />
<span style="color: #cc0000;"><span style="font-family: "courier new";">It is also interesting to notice in this magnification that the form of the rising edge of the pulse at the cable end is not exactly the same as at the cable entrance. It has a slight dip in the middle. This indicates that not all frequency components contained in the square wave propagate at the same speed. This behaviour is called dispersion, but this is yet another topic.</span></span></div>
A-baerhttp://www.blogger.com/profile/02377391887987144084noreply@blogger.com0tag:blogger.com,1999:blog-3845783275428802369.post-56805098812859663722016-11-07T02:05:00.000-08:002016-11-07T06:45:54.299-08:00Das Kondensatorproblem und die freie Energie - The Capacitor Paradox and Free Energy<div class="separator" style="clear: both; text-align: left;">
<span style="text-indent: 0cm;"><span style="font-family: "courier new" , "courier" , monospace;">In Esoterikerkreisen
kursiert die Idee der „Freien Energie“.</span></span></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Einen Beleg für
deren Existenz sehen manche in dem was sie als „Kondensatorproblem“ bezeichnen.<o:p></o:p></span><br />
<span style="color: red; font-family: "courier new" , "courier" , monospace;">In esoteric circles the idea of "free energy" is promoted.</span><br />
<span style="color: red; font-family: "courier new" , "courier" , monospace;">Some see a clue for the existence of free energy in what they call the "capacitor paradox".</span></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Das ist in der Tat
ein zunächst verblüffendes Verhalten einer einfachen elektronischen Schaltung,
das sich aber mit ein wenig Mathematik leicht und präzise erklären lässt.</span><o:p></o:p><br />
<span style="color: red; font-family: "courier new" , "courier" , monospace;">This is indeed a startling behaviour of a simple electronic circuit which, however, can be easily and precisely explained using a little bit of mathematics.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgp_JV68hSsHvD1l_HAZz2XWVWyRIGSzfcVKm3uVRj-1ExQ2wbOnvyc0xtQqQUtAKUZwc38kR7tiBCS4cRnrnpEvUa7flQDKZ4C-AemYU4txPY-xmAm_XHw7jCbLsiFXXU4qz1NPm2_1vhe/s1600/1611071109060001.jpg" imageanchor="1" style="clear: left; float: left; margin-bottom: 1em; margin-right: 1em;"><img border="0" height="149" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgp_JV68hSsHvD1l_HAZz2XWVWyRIGSzfcVKm3uVRj-1ExQ2wbOnvyc0xtQqQUtAKUZwc38kR7tiBCS4cRnrnpEvUa7flQDKZ4C-AemYU4txPY-xmAm_XHw7jCbLsiFXXU4qz1NPm2_1vhe/s320/1611071109060001.jpg" width="320" /></a></div>
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<span style="text-align: center; text-indent: 0cm;"><span style="font-family: "courier new" , "courier" , monospace;">Der links gezeichnete Kondensator C sei auf die Spannung Uo</span></span></div>
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<span style="font-family: "courier new" , "courier" , monospace;"><span style="text-align: center; text-indent: 0cm;">aufgeladen. </span><span style="text-align: center; text-indent: 0cm;">Auf ihm ist damit
die Energie</span></span><br />
<span style="font-family: "courier new" , "courier" , monospace;"><span style="text-align: center; text-indent: 0cm;"><span style="color: red; text-align: left;">The capacitor on the left side of the picture be charged to a voltage of</span><span style="text-align: left;"><span style="color: red;"> </span></span></span></span><span style="font-family: "courier new" , "courier" , monospace; text-align: center;"><span style="color: red;">Uo</span></span><span style="color: red; font-family: "courier new" , "courier" , monospace; text-indent: 0cm;">. Then it stores the energy</span></div>
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<span style="font-family: "courier new" , "courier" , monospace;">½*C*U<sub>o</sub><sup>2
</sup><o:p></o:p></span></div>
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<span style="font-family: "courier new" , "courier" , monospace;">und die Ladung</span><br />
<span style="font-family: "courier new" , "courier" , monospace; text-align: center;"><span style="color: red;">and the charge</span></span></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Q=C*U <o:p></o:p></span></div>
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<span style="font-family: "courier new" , "courier" , monospace;">gespeichert.<o:p></o:p></span></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Zum Zeitpunkt t=0 wird nun über einen Schalter ein zweiter, gleich grosser Kondensator
parallelgeschaltet.</span><br />
<span style="font-family: "courier new" , "courier" , monospace;"><span style="color: red; text-align: center;">At time t=0 by closing the switch a second capacitor of the same size is switched in parallel.</span></span></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Die elektrische
Ladung fliesst von dem links dargestellten geladenen Kondensator auf den
rechten ungeladenen Kondensator, bis die Spannungen an beiden Kondensatoren
gleich sind.</span><br />
<span style="font-family: "courier new" , "courier" , monospace;">Am Ende sind beide Kondensatoren immer – und zwar unabhängig vom
Widerstand R – auf eine Spannung von U<sub>0</sub>/2 aufgeladen.<o:p></o:p></span><br />
<span style="font-family: "courier new" , "courier" , monospace; text-indent: 0cm;">Auch wenn der
Widerstand Null ist!</span><br />
<span style="font-family: "courier new" , "courier" , monospace; text-indent: 0cm;"><span style="color: red; text-align: center;">The charge now flows from the capacitor on the left side of the picture to the uncharged capacitor on the right side until the voltages across both capacitors are equal.</span></span><br />
<span style="font-family: "courier new" , "courier" , monospace; text-indent: 0cm;"><span style="color: red; text-align: center;">Et the end both capacitors are always charged - independent of the resistor R - to a voltage of</span><span style="text-align: center;"><span style="color: red;"> </span></span></span><span style="color: red;"><span style="font-family: "courier new" , "courier" , monospace; text-indent: 0cm;">U</span><sub style="font-family: "courier new", courier, monospace; text-indent: 0cm;">0</sub><span style="font-family: "courier new" , "courier" , monospace; text-indent: 0cm;">/2.</span></span><br />
<span style="color: red;"><span style="font-family: "courier new" , "courier" , monospace; text-indent: 0cm;">This also holds if R is zero!</span></span><br />
<span style="font-family: "courier new" , "courier" , monospace; text-indent: 0cm;"><br /></span>
<span style="font-family: "courier new" , "courier" , monospace; text-indent: 0cm;">Die auf den beiden
Kondensatoren gespeicherte Energie ist nun</span><br />
<span style="color: red; font-family: "courier new" , "courier" , monospace;">The energy stored on both capacitors is now</span></div>
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<span style="font-family: "courier new" , "courier" , monospace;"> 2*½*C*(U<sub>o</sub>/2)<sub>
</sub><sup>2 </sup>= ¼*C* U<sub>o</sub><sup>2<o:p></o:p></sup></span></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Das ist nur noch die Hälfte
der ursprünglich gespeicherten Energie.<o:p></o:p></span></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Wo ist die andere
Hälfte geblieben?<o:p></o:p></span></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Nun, sie wird wohl
im Widerstand R in Wärme umgesetzt worden sein.<o:p></o:p></span><br />
<span style="font-family: "courier new" , "courier" , monospace;"><span style="color: red;">This is just half of the originally stored energy.</span></span><br />
<span style="font-family: "courier new" , "courier" , monospace;"><span style="color: red;">Where did the other half go?</span></span><br />
<span style="font-family: "courier new" , "courier" , monospace;"><span style="color: red;">Well, it will probably be converted to heat in the resistor R.</span></span></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Wo aber ist sie
geblieben, wenn der Widerstand R Null ist?<o:p></o:p></span><br />
<span style="font-family: "courier new" , "courier" , monospace;"><span style="color: red;">But where did the energy go if the Resistor is Zero?</span></span></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Esoteriker sehen das
als Hinweis darauf, dass diese Energie als "freie Energie" noch existiert und irgendwie
wiedergewonnen werden kann.<o:p></o:p></span><br />
<span style="color: red; font-family: "courier new" , "courier" , monospace;">Esoterics believe that this is a hint to the existance of "free energy" which somehow could be recuped.</span></div>
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<span style="font-family: "courier new" , "courier" , monospace;"><span style="text-transform: uppercase;">Das ist Unfug</span>!<o:p></o:p></span><br />
<span style="font-family: "courier new" , "courier" , monospace;"><span style="color: red;">THIS IS NONSENCE!</span></span></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Wenn der Widerstand
gegen Null geht, wird der Strom unendlich gross.<o:p></o:p></span></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Da die im Widerstand
umgesetzte Energie mit dem Produkt von Strom und Widerstand zusammenhängt, wird
hier Null mit Unendlich multipli-ziert, und dabei kann durchaus etwas Endliches
herauskommen.<o:p></o:p></span></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Wie die folgende
Rechnung zeigt, ist die im Widerstand R in Wärme umgesetzte Energie - unabhängig von der Grösse von R - immer ¼*C* U<sub>o</sub><sup>2</sup>.<o:p></o:p></span><br />
<span style="font-family: "courier new" , "courier" , monospace;"><span style="color: red;">If the resistance approaches zero, the current approaches infinity. Since the energy consumed by the resistor is related to the product of current and resistance, we multiply zero with infinity, and this can very well end up in an finite result. </span></span><span style="font-family: "courier new" , "courier" , monospace; text-indent: 0cm;"><span style="color: red;">As the following calculation shows, the energy converted to heat in the resistance R is - independent of the size of R - always </span></span><span style="color: red; text-indent: 0cm;"><span style="font-family: "courier new" , "courier" , monospace; text-indent: 0cm;">¼*C* U</span><sub style="font-family: "courier new", courier, monospace; text-indent: 0cm;">o</sub><sup style="font-family: "courier new", courier, monospace; text-indent: 0cm;">2</sup><span style="font-family: "courier new" , "courier" , monospace; text-indent: 0cm;"> .</span></span></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Die Summe aller
Spannungen in dem Stromkreis im Bild 1 ist:<o:p></o:p></span><br />
<span style="color: red; font-family: "courier new" , "courier" , monospace;">The sum of all voltages in the circuit in figure 1 is:</span></div>
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<span style="font-family: "courier new" , "courier" , monospace;">(1) R*I(t) + U<sub>2</sub>(t)
- U<sub>1</sub>(t)<o:p></o:p></span></div>
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<span style="font-family: "courier new" , "courier" , monospace;"><br /></span></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Mit<o:p></o:p></span><br />
<span style="color: red; font-family: "courier new" , "courier" , monospace;">with</span></div>
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<span style="font-family: "courier new" , "courier" , monospace;">(2) dU<sub>1</sub>(t)/dt
= - 1/C*I(t) und dU<sub>2</sub>(t)/dt =
+ 1/C*I(t)<o:p></o:p></span></div>
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<span style="font-family: "courier new" , "courier" , monospace;">ergibt sich daraus
die folgende Differentialgleichung 1. Ordnung für den Strom I(t):<o:p></o:p></span><br />
<span style="font-family: "courier new" , "courier" , monospace;"><span style="color: red;">we get the following 1st-order differential equation for the current I(t):</span></span></div>
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<span style="font-family: "courier new" , "courier" , monospace;">(3) dI(t)/dt
+ I(t)*2/RC = 0<o:p></o:p></span></div>
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<span style="font-family: "courier new" , "courier" , monospace;"><br /></span></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Deren Lösung ist<o:p></o:p></span><br />
<span style="font-family: "courier new" , "courier" , monospace;"><span style="color: red;">It's solution is</span></span></div>
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<span style="font-family: "courier new" , "courier" , monospace;">(4) I(t)=I<sub>0</sub>*e<sup>-t/T</sup>
+ A mit T = R*C/2<o:p></o:p></span></div>
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<span style="font-family: "courier new" , "courier" , monospace;"><br /></span></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Mit den Randbedingungen <o:p></o:p></span><br />
<span style="font-family: "courier new" , "courier" , monospace;"><span style="color: red;">With the boundary conditions</span></span></div>
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<span style="font-family: "courier new" , "courier" , monospace;">(5) I(t=0) = U<sub>0</sub>/R
und I(t=<span style="font-family: "arial" , "sans-serif";">∞</span>)
= 0<o:p></o:p></span></div>
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<span style="font-family: "courier new" , "courier" , monospace;"><br /></span></div>
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<span style="font-family: "courier new" , "courier" , monospace;">ergibt sich die
Lösung zu</span><br />
<span style="color: red; font-family: "courier new" , "courier" , monospace;">the solution becomes</span><br />
<span style="font-family: "courier new" , "courier" , monospace;"><br /></span>
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<span style="font-family: "courier new" , "courier" , monospace;">(6) I(t)=U<sub>0</sub>/R*e<sup>-t/T</sup> <o:p></o:p></span></div>
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<span style="font-family: "courier new" , "courier" , monospace;"><br /></span></div>
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<span style="font-family: "courier new" , "courier" , monospace;">die momentane elektrische
Leistung im Widerstand ist<o:p></o:p></span><br />
<span style="color: red; font-family: "courier new" , "courier" , monospace;">The momentary electric power in the resistor is</span></div>
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<span style="font-family: "courier new" , "courier" , monospace;">(7) P<sub>R</sub>(t)
= U<sub>R</sub>(t) * I(t) = U<sub>0</sub><sup>2</sup>/R*e<sup>-2*t/T<o:p></o:p></sup></span></div>
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<span style="font-family: "courier new" , "courier" , monospace;"><br /></span></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Die während des
Umladevorgangs im Widerstand umgesetzte Energie ist dann<o:p></o:p></span><br />
<span style="font-family: "courier new" , "courier" , monospace;"><span style="color: red;">The energy dissipated in the resistor during the transient is then</span></span></div>
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<span style="font-family: "courier new" , "courier" , monospace;">(8) </span><br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj2U1SySWO33jbXaT-aLXO9rzufAzOOw1vUzhqPS4l1HLy9rHbLavjF_wEYd1v4H8ttulhOWlD-B8WbZ_BwrIrASoziTpNYjq4Nyuf_FAA0DnZS7uJJzl9-DofgSRALU1FBqvgTgw_QJHLn/s1600/Formel+8.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><span style="font-family: "courier new" , "courier" , monospace;"><img border="0" height="108" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj2U1SySWO33jbXaT-aLXO9rzufAzOOw1vUzhqPS4l1HLy9rHbLavjF_wEYd1v4H8ttulhOWlD-B8WbZ_BwrIrASoziTpNYjq4Nyuf_FAA0DnZS7uJJzl9-DofgSRALU1FBqvgTgw_QJHLn/s320/Formel+8.jpg" width="320" /></span></a></div>
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<span style="font-family: "courier new" , "courier" , monospace;"><br /></span>
<span style="font-family: "courier new" , "courier" , monospace;">unabhängig von R - d.h. auch für R->0.</span>
<span style="font-family: "courier new" , "courier" , monospace;">Damit ist die Welt -
auch ganz ohne Esoterik - wieder in Ordnung.</span><sup><o:p></o:p></sup><br />
<span style="font-family: "courier new" , "courier" , monospace;"><span style="color: red;">independent of R - i.e. also for R->0.</span></span><br />
<span style="font-family: "courier new" , "courier" , monospace;"><span style="color: red;">So now the world is - without any esoteric - balanced again.</span></span><br />
<span style="font-family: "courier new" , "courier" , monospace;"><span style="color: red;"><br /></span></span>
<span style="font-family: "courier new" , "courier" , monospace;">Um es noch etwas komplizierter zu machen, sei hier erwähnt, dass dieses Modell - wie jedes Modell - seine Grenzen hat. Es berücksichtigt z.B. nicht, dass der zeitlich veränderliche Strom ein zeitlich veränderliches elektromagnetisches Feld erzeugt. Dieses Feld bewirkt, dass ein Teil der Energie als elektromagnetische Strahlung abgegeben wird, und zwar umso mehr, je kleiner R und je schneller daher der Umladevorgang ist. Mit kleiner werdendem R wird daher in der Realität nur ein zunehmend kleinerer Teil von E<sub>R</sub> im Widerstand in Wärme umgesetzt und ein zunehmend grösserer Teil abgestrahlt. Das lässt sich aber exakt nur mit komplexen Computerprogrammen berechnen.</span><br />
<span style="font-family: "courier new" , "courier" , monospace;">Mit "freier Energie" hat aber auch das nichts zu tun. </span><br />
<br />
<span style="font-family: "courier new" , "courier" , monospace;"><span style="color: red;"></span></span><br />
<span style="font-family: "courier new" , "courier" , monospace;"><span style="color: red;">To make it even more complicated, I would like to mention that this model - like all models - has its limitations. For example it does noch take into account that the time varying current induces a time varying electromagnetic field. With this field a part of the energy is radiated as electromagnetic wave, and the amount of radiated energy increases with decreasing R since then the transient becomes faster. So in reality with decreasing R only a decreasing part of </span></span><span style="color: red;"><span style="font-family: "courier new" , "courier" , monospace; text-indent: 0cm;">E</span><sub style="font-family: "courier new", courier, monospace; text-indent: 0cm;">R</sub><span style="font-family: "courier new" , "courier" , monospace; text-indent: 0cm;"> will be dissipated as heat in R while an increasing part will be radiated. This can be calculated exactly only by complex computer software.</span></span><br />
<span style="color: red; font-family: "courier new" , "courier" , monospace;">However this too has nothing to do with "free energy".</span></div>
A-baerhttp://www.blogger.com/profile/02377391887987144084noreply@blogger.com0tag:blogger.com,1999:blog-3845783275428802369.post-86072843329224655412016-09-26T16:09:00.000-07:002016-11-13T09:40:13.885-08:00Fuss für Thyratron TQ81 - Stand for Thyratron TQ81<div class="separator" style="clear: both; text-align: center;">
<span style="font-family: "courier new" , "courier" , monospace;">Jetzt kommt wieder einmal das TIG Schweissgerät zum Einsatz.</span></div>
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<span style="color: red; font-family: "courier new";">So this was once more a case for my TIG welder.</span></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Vor ein paar Monaten fand ich diese eindrucksvolle Elektronenröhre.</span></div>
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<span style="font-family: "courier new";">605mm lang, 103mm Durchmesser, gut 2kg schwer.</span></div>
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<span style="font-family: "courier new";"><span style="color: red;">Some months ago I found this impressive electron tube.<br />605mm long, 103mm in diameter and about 2kg weight.</span></span></div>
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<span style="font-family: "courier new";">Anhand von Resten der Aufschrift und Recherche im Internet konnte ich sie identifizieren: </span></div>
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<span style="font-family: "courier new";">Es ist eine TQ81 von BBC, eine mit Quecksilberdampf gefüllte gesteuerte Hochspannungs-Gleichrichterröhre - ein </span></div>
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<span style="font-family: "courier new";">sogenanntes Thyratron. </span></div>
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<span style="font-family: "courier new";"><span style="color: red;">From remainders of the inscription on the glas and by research in the internet I was able to identify it: <br />It is a TQ81 of BBC, a mercury vapour filled controllable high voltage rectifier tube - a so called thyratron.</span></span></div>
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<span style="font-family: "courier new";">Damit konnte man hohe Wechselspannungen gleichrichten und steuern - sozusagen ein überdimensionaler Dimmer. </span></div>
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<span style="font-family: "courier new";"><span style="color: red;">This tube served to rectify and control AC voltages - an oversized dimmer, so to speak.</span></span></div>
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<span style="font-family: "courier new";">Thyratrons sind die Vorgänger der zum gleichen Zweck später eingesetzten Halbleiter-Thyristoren.</span></div>
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<span style="font-family: "courier new";"></span> <span style="color: red; font-family: "courier new";">Thyratrons are the predecessors of the later semiconductor thyristors and were used for the same purposes.</span></div>
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<span style="font-family: "courier new";">Ich habe bisher kein Datenblatt dieser Röhre finden können, aber BBC hat eine ganze Serie TQ1 bis TQ91 gebaut, und die TQ81 ist nach der TQ91 die zweitgrösste und von den Abmessungen ähnlich wie die TQ91. Ihre Daten werden daher ähnlich sein.</span></div>
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<span style="font-family: "courier new";"><span style="color: red;">Up to now I could not find a data sheet of this tube, but BBC developed a complete series TQ1 to TQ91. The TQ81 is the second largest in this series and its dimensions are similar to those of the largest one, the TQ91. Their characteristic data therefore will be similar.</span></span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhLfSo1odxvP7pKCHniul1-wH7eNxpAlGSl86s7ml2jKYkKOpHZ55bPMPCBAukc0kKy8Od3FErziELi-EJ8kJNparw4QAkZr6mcISQno-AoDx5L-Y05fgEqgCohVqBMor2PaOb-gD3Wwdk0/s1600/P1080510.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="156" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhLfSo1odxvP7pKCHniul1-wH7eNxpAlGSl86s7ml2jKYkKOpHZ55bPMPCBAukc0kKy8Od3FErziELi-EJ8kJNparw4QAkZr6mcISQno-AoDx5L-Y05fgEqgCohVqBMor2PaOb-gD3Wwdk0/s400/P1080510.JPG" width="400" /></a></div>
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<span style="font-family: "courier new";">Die TQ91 ist ausgelegt für 20000V Sperrspannung und 200A Durchlassstrom. Die Kathodenheizung erfolgt mit 4,5V und 45A.</span><br />
<span style="font-family: "courier new";"><span style="color: red;">The TQ91 is designed for 20000V reverse blocking voltage and 200A forward current. The cathode is heated with 4,5V and 45A!</span></span></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Sechs von diesen Röhren wurden z.B. zu einem Sechspulsgleichrichter verschaltet der ca 2500kW Leistung steuern konnte.</span> </div>
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<span style="color: red; font-family: "courier new";">Six of these tubes were e.g. connected to a six-pulse-rectifier which was able to control 2500kW.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhuIwKiaqg_W8k47U8d2meKotphgJeC2uOrab8V60hgdJRHUB-XVP-37rP3Jj9A_OjXENb0kD__-V_wtKPA6arNyOcLuoCMd-lEvp3kibDj8ZtgEYopdqspx02uNdoTjWYlt727-qAshmdU/s1600/TQ91-1.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="400" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhuIwKiaqg_W8k47U8d2meKotphgJeC2uOrab8V60hgdJRHUB-XVP-37rP3Jj9A_OjXENb0kD__-V_wtKPA6arNyOcLuoCMd-lEvp3kibDj8ZtgEYopdqspx02uNdoTjWYlt727-qAshmdU/s400/TQ91-1.jpg" width="291" /></a></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Im Betrieb bildet sich bei Thyratrons im oberen Bereich zwischen Kathode und Anode ein intensiv leuchtendes Plasma, das für die Stromleitung sorgt.</span><span style="font-family: "courier new" , "courier" , monospace;">Das sieht man auf dem folgenden Bild recht gut. Es zeigt ein kleines Thyratron - sozusagen eins für den Hausgebrauch - im Betrieb.</span></div>
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<span style="font-family: "courier new" , "courier" , monospace;"><span style="color: red; font-family: "courier new";">During operation thyratrons show in their upper part between cathode and plate an intensively glowing plasma which enables high currents flowing. This can be seen quite nicely in the following picture. It shows a small thyratron - so to speak a thyratron for home applications - in operation.</span></span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiOmumV7-r_zFJBmK7ht_LQvSnF_9CjkhjX7_gQkVcHYyVrW2VlgDp20BuFY-izgtOUnOhQjjkzxj3JeCQvJOjBzBr8gwNpzKhTmsOMdDsV0xtzVVwbeoQl6QEbzeMK_ztJBueWaAxdrZ3a/s1600/P1090827.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="400" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiOmumV7-r_zFJBmK7ht_LQvSnF_9CjkhjX7_gQkVcHYyVrW2VlgDp20BuFY-izgtOUnOhQjjkzxj3JeCQvJOjBzBr8gwNpzKhTmsOMdDsV0xtzVVwbeoQl6QEbzeMK_ztJBueWaAxdrZ3a/s400/P1090827.JPG" width="300" /></a></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgyKvFepgwG5JJ1NBeJVz7ZTo2S70mmCNFg8L92NuD53lsMNUdAquLa3FV-unofdufkfHgbdikyc-kAx1rXQVMzL4NF8l6lNJqFifDu2kfyKYSRgiBIBhTLSZ38niRgiuhR23vvSm7X3bG0/s1600/P1090829.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="300" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgyKvFepgwG5JJ1NBeJVz7ZTo2S70mmCNFg8L92NuD53lsMNUdAquLa3FV-unofdufkfHgbdikyc-kAx1rXQVMzL4NF8l6lNJqFifDu2kfyKYSRgiBIBhTLSZ38niRgiuhR23vvSm7X3bG0/s400/P1090829.JPG" width="400" /></a></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Die TQ81 konnte ich bisher leider nicht in Betrieb nehmen. Sie zündet erst bei ca 1000V und möchte dann auch noch einen Laststrom abgeben. So grosse Leistungen stehen mir in meinem Labor nicht zur Verfügung.</span></div>
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<span style="color: red; font-family: "courier new";">Unfortunately up to now I could not put the TQ81 in operation. It fires at about 1000V and would then like to deliver a load current. My lab isn't made for so much power.</span></div>
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<span style="font-family: "courier new";">Von dieser Röhre gibt es nicht mehr viele, sie ist also kostbar. </span><span style="font-family: "courier new";">Damit sie nicht beschädigt wird, habe ich ihr daher einen stabilen Standfuss aus Eisen gebaut</span><span style="font-family: "courier new";">.</span></div>
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<span style="font-family: "courier new";"><span style="color: red;">There are not many of these tubes around any more, so it is quite precious. To make sure that it will not be damaged, I built a stable stand for it.</span></span></div>
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<span style="font-family: "courier new";">Hier die schon zugeschnittenen Einzelteile aus 3x25mm Flacheisen und 1mm Blech. </span></div>
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<span style="font-family: "courier new";"><span style="color: red;">Here are the components of this stand, cut from 3x25mm iron flat bar and 1mm iron sheet metal.</span></span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEieGQppEva5Oei6Pzr5ua_g7DLCBEKFF_cpokk_rsaPQ90o6Q5N06UG50F_Or1oKYKR8bMnvRgI3pHmbLytN4qWV-YBtfsjbbcMcP_J9YcO7JP7ckN0hRBooWK3uc1VZk7NmwwesoayccSH/s1600/P1090776.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="170" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEieGQppEva5Oei6Pzr5ua_g7DLCBEKFF_cpokk_rsaPQ90o6Q5N06UG50F_Or1oKYKR8bMnvRgI3pHmbLytN4qWV-YBtfsjbbcMcP_J9YcO7JP7ckN0hRBooWK3uc1VZk7NmwwesoayccSH/s400/P1090776.JPG" width="400" /></a></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Und hier die gebogenen Teile</span></div>
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<span style="font-family: "courier new" , "courier" , monospace;"><span style="color: red; font-family: "courier new";">And here are the parts after bending.</span></span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgpNiSYyTC7TE3XvLilbsUaEv7Kk4vjHevllzqsWOAj4t07-8sSjZapVwQsnEspwCkQqgYrOH6CKm6atR3QR2hlFa_ESrUQxgqlSXihX25ZXDhQEui-BkJhK2tGQ31TM5aXyAJ-VkVwO6DL/s1600/P1090778.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="340" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgpNiSYyTC7TE3XvLilbsUaEv7Kk4vjHevllzqsWOAj4t07-8sSjZapVwQsnEspwCkQqgYrOH6CKm6atR3QR2hlFa_ESrUQxgqlSXihX25ZXDhQEui-BkJhK2tGQ31TM5aXyAJ-VkVwO6DL/s400/P1090778.JPG" width="400" /></a></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Beim Biegen der Füsse aus 3mm Flacheisen war mein "Chinese Bender" unentbehrlich. </span><span style="font-family: "courier new" , "courier" , monospace;">Nur mit Hammer und Schraubstock wäre das nicht gegangen.</span></div>
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<span style="font-family: "courier new" , "courier" , monospace;"><span style="color: red; font-family: "courier new";">For bending the feet made of 3mm flat bar my "chinese bender" was indispensable. I couldn't have done this just with hammer and vise.</span></span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEixhN1Bn6i9GZaSgloDrgFvFInfTUyeQA4ZlgLPTNlxJ-DQYvZEkFdfMBYuLr4qGLLH3Zp5fj3hySM_fZ22ozQ38DvRQ6EAqOkPC4jplMwy4GnDqI_yf7aWtPlhGw23Gnucf1WAg2jAjYI1/s1600/P1090807.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="300" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEixhN1Bn6i9GZaSgloDrgFvFInfTUyeQA4ZlgLPTNlxJ-DQYvZEkFdfMBYuLr4qGLLH3Zp5fj3hySM_fZ22ozQ38DvRQ6EAqOkPC4jplMwy4GnDqI_yf7aWtPlhGw23Gnucf1WAg2jAjYI1/s400/P1090807.JPG" width="400" /></a></div>
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<span style="font-family: "courier new";">Die 4mm Löcher in dem 1mm dicken Blech dienen dazu, die Füsse von innen anzuschweissen, damit die Schweissstelle von aussen unsichtbar ist.</span><br />
<span style="font-family: "courier new";"><span style="color: red;">The 4mm holes in the sheet metal served for spot welding the feet to the body invisibly from outside.</span></span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh-xf2muVVuM9yEyfOVU8_rWs6StovbWWvLJw5GUkPgLtappBFb_MNGOvvDvOvxxib_uoaPuZakJrXwAJsJJSi0oeuumkAYJjLIXAUPdJvAqnP-cxWjPykiq1y1H3WNx-COaJutWUkNzWV2/s1600/P1090808.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="300" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh-xf2muVVuM9yEyfOVU8_rWs6StovbWWvLJw5GUkPgLtappBFb_MNGOvvDvOvxxib_uoaPuZakJrXwAJsJJSi0oeuumkAYJjLIXAUPdJvAqnP-cxWjPykiq1y1H3WNx-COaJutWUkNzWV2/s400/P1090808.JPG" width="400" /></a></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Alles punktverschweisst...</span></div>
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<span style="font-family: "courier new" , "courier" , monospace;"><span style="color: red; font-family: "courier new";">After spot welding...</span></span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiF9NLySUeLyOohpNdQpIBbGTmEjpB5xfTDFE_S6cuJC2aDNMVKc4d_9pn0t9CtN2nYnwhvdYbd2c7fh3nHF3ZaDYhVBCZQY9v-ywwt1_XN6CMV4KwFDN5UyrqLsopVfHlNpFju5Rrxfgnq/s1600/P1090813.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="300" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiF9NLySUeLyOohpNdQpIBbGTmEjpB5xfTDFE_S6cuJC2aDNMVKc4d_9pn0t9CtN2nYnwhvdYbd2c7fh3nHF3ZaDYhVBCZQY9v-ywwt1_XN6CMV4KwFDN5UyrqLsopVfHlNpFju5Rrxfgnq/s400/P1090813.JPG" width="400" /></a></div>
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<span style="font-family: "courier new" , "courier" , monospace;">... und die Anlauffarben aussen weggeschliffen.</span></div>
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<span style="font-family: "courier new" , "courier" , monospace;"><span style="color: red; font-family: "courier new";">... and the tempering colours removed.</span></span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgxoK5-rKHGOuwcYHsh6Ladv-N9zuE-MZqnt7t_qVa9BtFKDwwgSe7mLomYPstNg8ORZkush91KB9-7CM2HWZV-S22zzHgMmS5wihB307H6ci_J4_zYzVyDEjgRYpjSfDFuJVwEbzHh1AZ-/s1600/P1090818.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="300" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgxoK5-rKHGOuwcYHsh6Ladv-N9zuE-MZqnt7t_qVa9BtFKDwwgSe7mLomYPstNg8ORZkush91KB9-7CM2HWZV-S22zzHgMmS5wihB307H6ci_J4_zYzVyDEjgRYpjSfDFuJVwEbzHh1AZ-/s400/P1090818.JPG" width="400" /></a></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Jetzt kann die TQ81 sicher aufrecht stehen - neben ihr das kleine Brüderchen, das oben im Betrieb gezeigt ist.</span></div>
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<span style="font-family: "courier new" , "courier" , monospace;"><span style="color: red; font-family: "courier new";">Now the TQ81 stands safely upright - next to it's little brother shown in operation above.</span></span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgjBu3BlcYhGVmMbbCQyPnMZt4gPop4Tj3TlJ5nxVoAHfOgjsvt2sbp0poPnAvZMBKevFB-mHzz35XhyjIpu9gRjeCe9nCKmWwzIBgzWY2Ht4voWvltlr6eSqVPa5TLN2JcxIROG4zCI-FK/s1600/P1090852.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="400" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgjBu3BlcYhGVmMbbCQyPnMZt4gPop4Tj3TlJ5nxVoAHfOgjsvt2sbp0poPnAvZMBKevFB-mHzz35XhyjIpu9gRjeCe9nCKmWwzIBgzWY2Ht4voWvltlr6eSqVPa5TLN2JcxIROG4zCI-FK/s400/P1090852.JPG" width="300" /></a></div>
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A-baerhttp://www.blogger.com/profile/02377391887987144084noreply@blogger.com0tag:blogger.com,1999:blog-3845783275428802369.post-26517678111860376002016-06-18T02:02:00.000-07:002016-06-18T02:02:17.368-07:00Lorenz Recordophone T22U<div style="text-align: center;">
<span style="font-family: Courier New, Courier, monospace;">Dieses Gerät habe ich soeben für einen Kollegen repariert. </span></div>
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<span style="color: red;"><span style="font-family: Courier New, Courier, monospace;">I just repaired this device </span><span style="font-family: "Courier New", Courier, monospace;">for a colleague.</span></span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi72ZxznPjP4Fo3red48AzYOe5-DYVvcMYU3p08DZXpatzKhIznTrvSm9ms46yx8AvxTKlMT3H5MtFSo4ZPJ2UDYxoiY8Tl3ttI_644UWtm_YsvMfv966hq1O6SiLxb5G8wCM0NUiloiaAX/s1600/P1120471.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="400" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi72ZxznPjP4Fo3red48AzYOe5-DYVvcMYU3p08DZXpatzKhIznTrvSm9ms46yx8AvxTKlMT3H5MtFSo4ZPJ2UDYxoiY8Tl3ttI_644UWtm_YsvMfv966hq1O6SiLxb5G8wCM0NUiloiaAX/s400/P1120471.JPG" width="328" /></a></div>
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<span style="font-family: "Courier New", Courier, monospace;">Es ist eine Kombination aus Radio (UKW, MW, LW, 3xKW), Plattenspieler für 78 Upm und Drahtrecorder.</span></div>
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<span style="color: red; font-family: "Courier New", Courier, monospace;">It is a combination of radio (FM and AM on long-, medium and shortwave), a record player for 78 tpm and a wire recorder.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjbqg7dZ6kwZYqsxnCfvb_GQhHKPRwPbgb7RQ5PouGU5JVjMAW4UENnTCUArI8n5oER1qoa55vDmRQLcG3scIEoI1Us4avtT-9lpMS52puH9G4S8Wh7FJI-yz9W-OaEfYnewJD431GoZ_7d/s1600/P1120476.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="280" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjbqg7dZ6kwZYqsxnCfvb_GQhHKPRwPbgb7RQ5PouGU5JVjMAW4UENnTCUArI8n5oER1qoa55vDmRQLcG3scIEoI1Us4avtT-9lpMS52puH9G4S8Wh7FJI-yz9W-OaEfYnewJD431GoZ_7d/s400/P1120476.JPG" width="400" /></a></div>
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<span style="font-family: "Courier New", Courier, monospace;">Dieses seltene Gerät von ca 1950 ist optisch, technisch und von der Bedienung her eine Freude.</span></div>
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<span style="color: red; font-family: "Courier New", Courier, monospace;">This rare piece from about 1950 is a pleasure from the optical, the technical and the handling point of view.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhtGO3D0ConBX5XB13WQ8ZytGT5gSVusZG1jfIldyT_zQYcJhl5KQAS4Y9bkOe2_yFlD1FNtEmCcV0uGZ-MPh0-PkaOoZhh4pR07j7ZMx7f-xh6Hrtf6gdQa3lMNkc4WK7QfV2FH4mXnxrR/s1600/P1120472.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="300" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhtGO3D0ConBX5XB13WQ8ZytGT5gSVusZG1jfIldyT_zQYcJhl5KQAS4Y9bkOe2_yFlD1FNtEmCcV0uGZ-MPh0-PkaOoZhh4pR07j7ZMx7f-xh6Hrtf6gdQa3lMNkc4WK7QfV2FH4mXnxrR/s400/P1120472.JPG" width="400" /></a></div>
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<span style="font-family: "Courier New", Courier, monospace;">Nun gut, die Tonqualität von Drahtrecorder und Schellackplatte ist nicht berauschend, aber das konnte man um 1950 auch nicht erwarten.</span></div>
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<span style="color: red; font-family: "Courier New", Courier, monospace;">Well, the sound from wire recorder and record player is not overwhleming, but this could not be expected about 1950.</span></div>
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A-baerhttp://www.blogger.com/profile/02377391887987144084noreply@blogger.com0tag:blogger.com,1999:blog-3845783275428802369.post-42354903849598990812016-04-09T04:51:00.000-07:002016-04-11T09:50:38.670-07:00Repair Café's<div style="text-align: left;">
<span style="font-family: "courier new" , "courier" , monospace;">Ich werde immer mal wieder von Bekannten auf die "Repair Café's" angesprochen. </span><span style="font-family: "courier new" , "courier" , monospace;">Das sei doch eine super Sache und genau das, was ich auch meine.</span><br />
<span style="color: red; font-family: "courier new" , "courier" , monospace;">Once in a while friends ask me for my opinion with respect to "Repair Café's". </span><span style="color: red; font-family: "courier new" , "courier" , monospace;">They say this were a great thing and exactly what I stand for.</span></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Das sehe ich allerdings nicht so.</span></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Ich denke, das geht in die falsche Richtung.</span><br />
<span style="color: red; font-family: "courier new" , "courier" , monospace;">I don't see it that way.</span><br />
<span style="color: red; font-family: "courier new" , "courier" , monospace;">I believe that this is a development in the wrong direction.</span><span style="font-family: "courier new" , "courier" , monospace;"></span></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Es ist eine Erweiterung der Wegwerf- und Schnäppchenjäger-Mentalität:</span></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Nachdem man bisher "nur" die in einem Wegwerfprodukt steckenden Materialressourcen, die Energie zur Herstellung </span><span style="font-family: "courier new" , "courier" , monospace;">und die Arbeitsleistung meist fernöstlicher Arbeiter missachtet hat, indem man ein oft komplexes Produkt für </span><span style="font-family: "courier new" , "courier" , monospace;">10 Euro - am liebsten noch mit 2 Jahren Garantie - gekauft und beim Auftreten des ersten Fehlers weggeworfen hat, </span><span style="font-family: "courier new" , "courier" , monospace;">will man das Teil jetzt auch noch kostenlos von einem "ehrenamtlichen Reparateur" repariert haben.</span></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Damit missachtet man nun zusätzlich die Arbeit und Expertise dieser Leute.</span><br />
<span style="color: red; font-family: "courier new" , "courier" , monospace;">It is rather an augmentation of the throw-away- and bargain-hunter-mentality:</span><br />
<span style="color: red; font-family: "courier new" , "courier" , monospace;">Having up to now "only" disregarded material resources, energy and work mostly of far-east-workers which are contained in disposable products in buying frequently complex products for 10 Euro - gladly including 2 years guarantee - and throwing them away when they are faulty, they now additionally want to have it repaired cost-free by "unsalaried repairers".</span><br />
<span style="color: red; font-family: "courier new" , "courier" , monospace;">So now additionally work and expertise of these experts are disregarded.</span></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Nach meiner Einschätzung wird hier unter der Flagge des Umweltschutzes eine </span><span style="font-family: "courier new" , "courier" , monospace;">neue Geschäftsidee lanciert.</span></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Einer der Promotoren, die Stiftung Stichting Repair Café, bietet gleich geschäftstüchtig für Leute, die </span><span style="font-family: "courier new" , "courier" , monospace;">ein Repair Café eröffnen wollen, ein digitales Handbuch für nur 49 Euro an.</span></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Und zum Schnäppchenpreis von nur 29,95 Euro (statt 59,95 Euro) bekommt man noch ein "Pro Tech Toolkit von iFixit" </span><span style="font-family: "courier new" , "courier" , monospace;">angeboten.</span><br />
<span style="color: red; font-family: "courier new" , "courier" , monospace;">From my estimation under the flag of environmental protection a new business idea is launched.</span><br />
<span style="color: red; font-family: "courier new" , "courier" , monospace;">One of the promotors, the foundation Stichting Repair Café quickly and business-mindedly offers a digital handbook for people who want to open up a Repair Café for just 49 Euro. </span><span style="color: red; font-family: "courier new" , "courier" , monospace;">And - a real bargain - you are offered for 29,95 Euro (instead of 59,95 Euro) a "Pro Tech Toolkit from iFixit" </span></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Cool! </span><br />
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<span style="font-family: "courier new" , "courier" , monospace; font-size: large;">Ich will euch sagen, was sich </span></div>
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<span style="font-family: "courier new" , "courier" , monospace; font-size: large;">WIRKLICH ändern müsste:</span><br />
<span style="font-family: "courier new" , "courier" , monospace; font-size: large;"><span style="color: red; font-size: small;">Let me tell you what REALLY would have to be changed:</span></span><br />
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<span style="font-family: "courier new" , "courier" , monospace; font-size: large;">Den Menschen muss wieder mehr </span></div>
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<span style="font-family: "courier new" , "courier" , monospace; font-size: large;">Wertschätzung nahegebracht werden für</span></div>
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<span style="font-family: "courier new" , "courier" , monospace; font-size: large;">- Material</span></div>
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<span style="font-family: "courier new" , "courier" , monospace; font-size: large;">- Energie</span></div>
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<span style="font-family: "courier new" , "courier" , monospace; font-size: large;">- Wissen.</span><br />
<span style="color: red; font-family: "courier new" , "courier" , monospace;">The valuation of </span><br />
<span style="color: red; font-family: "courier new" , "courier" , monospace;">- Material</span><br />
<span style="color: red; font-family: "courier new" , "courier" , monospace;">- Energie</span><br />
<span style="color: red; font-family: "courier new" , "courier" , monospace;">- Arbeit</span><br />
<span style="color: red; font-family: "courier new" , "courier" , monospace;">- Wissen</span><br />
<span style="color: red; font-family: "courier new" , "courier" , monospace;">must be brought home to people again.</span><span style="font-family: "courier new" , "courier" , monospace; font-size: large;"></span><br />
<span style="color: red; font-family: "courier new" , "courier" , monospace;"><br /></span>
<span style="font-family: "courier new" , "courier" , monospace; font-size: large;">Das muss in der Schule beginnen und darf im privaten und beruflichen Leben nicht enden.</span><br />
<span style="font-family: "courier new" , "courier" , monospace; font-size: large;">Das Gespür für den Wert dieser Dinge ist nämlich weitgehend verloren gegangen in diesen Zeiten der Überbetonung finanzieller Aspekte.</span><br />
<span style="color: red; font-family: "courier new" , "courier" , monospace;">This must begin at school and not end in private and professional life later on. </span><span style="color: red; font-family: "courier new" , "courier" , monospace;">The sense for the value of these things has been lost to a large extent </span><span style="color: red; font-family: "courier new" , "courier" , monospace;">in this era of overemphasised financial aspects.</span></div>
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A-baerhttp://www.blogger.com/profile/02377391887987144084noreply@blogger.com0tag:blogger.com,1999:blog-3845783275428802369.post-11446839202655577342016-04-09T04:49:00.001-07:002016-04-09T04:58:05.900-07:00Reparatur einer Jalousette - Repair of Venetian Blind<div class="separator" style="clear: both; text-align: center;">
<span style="font-family: "courier new" , "courier" , monospace;">Es war wieder einmal der Kunststoff!</span></div>
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<span style="font-family: "courier new";">Diese Jalousette war bis vor Kurzem in einem beklagenswerten Zustand: Sie hing buchstäblich an einem seidenen Faden.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEinB64tfY1mnLvOf7xo5y7ddL6WBiD9VwYwbTW888hIlQjQkWitDzR6OlbxjVk6gAdhO49DDlIgiaLT-rQ1_seyi1m86VRYIC_wFo9jdwxO1K2txDTQHiWYPpMqVK9Lzrhscmgn6HzcTZHq/s1600/P1100207.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="300" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEinB64tfY1mnLvOf7xo5y7ddL6WBiD9VwYwbTW888hIlQjQkWitDzR6OlbxjVk6gAdhO49DDlIgiaLT-rQ1_seyi1m86VRYIC_wFo9jdwxO1K2txDTQHiWYPpMqVK9Lzrhscmgn6HzcTZHq/s400/P1100207.JPG" width="400" /></a></div>
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<span style="font-family: "courier new";">Eigentlich wird sie von 5 äusserst reissfesten, 0,3mm dünnen und ca. 6mm breiten Zugbändern gehalten, von denen aber 4 abgerissen waren.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjCZdXaik52fgag6tEP6VM0PA4HGSRa0T4W8fl34LowKx5fKMrw_XJDyebEsgcuD97bkFmzEvJK1TMVL4_O4p9-dCRNs5mKlc3AvmXuPoyE4lWRZkC9XjKba-1NwtWwcBAiJKAp_-PBQ3B5/s1600/P1090784-1.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="152" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjCZdXaik52fgag6tEP6VM0PA4HGSRa0T4W8fl34LowKx5fKMrw_XJDyebEsgcuD97bkFmzEvJK1TMVL4_O4p9-dCRNs5mKlc3AvmXuPoyE4lWRZkC9XjKba-1NwtWwcBAiJKAp_-PBQ3B5/s400/P1090784-1.jpg" width="400" /></a></div>
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<span style="font-family: "courier new";">Diese Zugbänder werden beim Hochdrehen der Jalousie auf Rollen aufgewickelt, die wiederum auf einer genuteten Welle befestigt sind. Die Zugbänder haben am Ende Schlaufen, die in den Rollen in einen etwa 2mm dicken Kunststoffzapfen eingehängt werden (siehe gelber Pfeil) </span></div>
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<span style="font-family: "courier new";">Das ganze Gewicht der Jalousie hängt also an diesen dünnen nur einseitig mit der Rolle verbundenen Kunststoffzapfen. </span><span style="font-family: "courier new";">Wen wundert es dann, dass die mit der Zeit bis auf Einen abgebrochen waren. Das Gewicht hing daher an immer weniger Zugbändern, die dann nach und nach auch gerissen sind.</span></div>
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<span style="font-family: "courier new";">Zum Glück konnte man diese Zugbänder am Meter kaufen.</span></div>
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<span style="font-family: "courier new";">Die Rollen dagegen waren als Ersatzteile nicht mehr erhältlich. Hier musste eine Reparaturlösung gefunden werden.</span></div>
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<span style="font-family: "courier new";">Eine konstruktiv sinnvollere Lösung als diese dummen Kunststoffzapfen sind kleine Nutensteine aus Aluminium, in die die Zugbänder eingehängt werden.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhqdq_z-LeAlR9bwjH1YrdDYA0QU3sxfEhIYldG4OUd3cklldy5QgwcinSpUpTL4RsLF9u9LgGD3l6h2F1OwJDd9Sjl-lkboswql7pP0foqinKNWxbmqpQ1FG3AB0bftudCDkuB1SnJ1kRJ/s1600/P1090787.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="153" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhqdq_z-LeAlR9bwjH1YrdDYA0QU3sxfEhIYldG4OUd3cklldy5QgwcinSpUpTL4RsLF9u9LgGD3l6h2F1OwJDd9Sjl-lkboswql7pP0foqinKNWxbmqpQ1FG3AB0bftudCDkuB1SnJ1kRJ/s400/P1090787.JPG" width="400" /></a></div>
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<span style="font-family: "courier new" , "courier" , monospace;"> Im Inneren der Rollen liegen diese Nutensteine dann grossflächig an der Innenwand an und verstecken sich in der Nut der Welle.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEia3SNgiN9DB6mV8Ixr1RrAYlXirqZdtaC-ya6QkNlqW_hK7_zuUbVJzW0qW526Fz2W5wjBIV5bPxcmTRBDFYQNhM4sbpEobadEPNWn3UwrQCNBSYxQoDLinReGXSsM5pIJGNEMdJJ6OH9e/s1600/P1090773.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="152" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEia3SNgiN9DB6mV8Ixr1RrAYlXirqZdtaC-ya6QkNlqW_hK7_zuUbVJzW0qW526Fz2W5wjBIV5bPxcmTRBDFYQNhM4sbpEobadEPNWn3UwrQCNBSYxQoDLinReGXSsM5pIJGNEMdJJ6OH9e/s400/P1090773.JPG" width="400" /></a></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Da kann jetzt nichts mehr abreissen.</span><br />
<span style="font-family: "courier new";">Liebe Konstrukteure: wieso nicht gleich so!</span></div>
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<br />A-baerhttp://www.blogger.com/profile/02377391887987144084noreply@blogger.com0tag:blogger.com,1999:blog-3845783275428802369.post-70716714958086926642016-04-09T04:49:00.000-07:002016-04-09T04:58:19.156-07:00Reparatur eines Falt-Rollos - Repairing a Roller Blind<div class="separator" style="clear: both; text-align: center;">
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<span style="font-family: "courier new";">Kürzlich war wieder einmal eines der 30 Jahre alten Falt-Rollos im Haus defekt. Es liess sich nicht mehr bewegen.</span><br />
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<span style="font-family: "courier new";">Wenn sowas früher passierte, habe ich eine Fachfirma kommen lassen, und die haben mir dann ein neues Rollo verkauft und montiert.</span></div>
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<span style="font-family: "courier new";">Diesmal wollte ich aber wissen, was genau daran defekt war.</span></div>
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<span style="font-family: "courier new";">I</span><span style="font-family: "courier new";">ch habe es daher ausgebaut und stellte fest, dass es überwiegend aus verzinktem Eisen, Aluminiumblech und Edelstahl bestand - also aus sehr langlebigen Materialien, an denen so schnell nichts kaputt geht. Kein Grund also, das alles wegzuwerfen.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi4qe9DRjGNQg39tl1-TVR5xUuGjK-lc0EKUc40XtPKwYM2HjnHibzjyMGZ4TpfiIn7AR8IybX9qnIIg1gYJw0yYVJ6tmcdM5dXJowHMuiRKWsxc0ODzGKmMMzAEzPS6zepwTFtLYsGV4Dl/s1600/Faltrollo+-+07.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="400" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi4qe9DRjGNQg39tl1-TVR5xUuGjK-lc0EKUc40XtPKwYM2HjnHibzjyMGZ4TpfiIn7AR8IybX9qnIIg1gYJw0yYVJ6tmcdM5dXJowHMuiRKWsxc0ODzGKmMMzAEzPS6zepwTFtLYsGV4Dl/s400/Faltrollo+-+07.JPG" width="300" /></a></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Auf der Welle befanden sich jedoch mehrere (3-6 je nach Fensterbreite) dreieckige Aufsätze aus Kunststoff, die die Aufgabe haben, bei Drehung der Welle die Lamellen gleichmässig voneinander zu trennen und nach innen oder aussen zu transportieren.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi4F-o6RNyg23KdVIzUUrjlraHUQvHfB3qM05byCNkRKRkf33SBkFfMkT0se9chv5kLR1tBkbyZmMyK-CR52ykmoqXkpN-whaxO2641SxZCO1k0zIgfbf-0XyiedWEoD73ZWUX_0lc2bSaL/s1600/Faltrollo+-+06-1.tif" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="251" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi4F-o6RNyg23KdVIzUUrjlraHUQvHfB3qM05byCNkRKRkf33SBkFfMkT0se9chv5kLR1tBkbyZmMyK-CR52ykmoqXkpN-whaxO2641SxZCO1k0zIgfbf-0XyiedWEoD73ZWUX_0lc2bSaL/s400/Faltrollo+-+06-1.tif" width="400" /></a></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Wie so oft, so hatte auch hier wieder einmal der Kunststoff der Dauerbelastung nicht standgehalten und war an den am stärksten beanspruchten Stellen gerissen.</span></div>
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<span style="font-family: "courier new";">Vier der fünf Dreiecke waren defekt. Beim Betätigen des Rollos lösten sie sich teilweise von der Welle und blockierten den Transport.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj3yMp3-O24v75XxnhJBqrH8Q9a0QtMFeWILSUBt00AGr9EXO9NdKot9VAYYA3uWS6JCw67hOBWjdRcKwFO_QQ_-x6V1cX3DWk8SSmIzRN-F3qRJ2lVv9UtpJPkTRSriq2q40Nvbi9uRrxU/s1600/Faltrollo+-+01.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="293" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj3yMp3-O24v75XxnhJBqrH8Q9a0QtMFeWILSUBt00AGr9EXO9NdKot9VAYYA3uWS6JCw67hOBWjdRcKwFO_QQ_-x6V1cX3DWk8SSmIzRN-F3qRJ2lVv9UtpJPkTRSriq2q40Nvbi9uRrxU/s400/Faltrollo+-+01.JPG" width="400" /></a></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Natürlich waren diese Teile nicht mehr erhältlich. </span></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Ausserdem sind sie kompliziert geformt und daher nicht leicht herstellbar.</span></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Aber ich hatte Glück: Erstens war der Kunststoff nicht generell brüchig und zweitens liessen sich die Bruchstellen mit Epoxidkleber schon recht haltbar wieder verkleben. Das funktioniert mit vielen anderen Kunststoffen nicht.</span></div>
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<span style="font-family: "courier new";">Um die Stabilität zu vergrössern habe ich dann auf die gebrochene Seite zusätzlich noch eine 0,5mm dicke Aluminiumplatte geklebt. </span></div>
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<span style="font-family: "courier new";">Diese Seite reisst nun so schnell nicht mehr.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiVQFrNnPvtXX-YL1I8EMe5RzZngLXB2IXAR7oPpSeMoxnXcq94MWC2IKpRVTf5B2vvQ0gts_vxueOO2x1jNVyxIoTuso-O4jtWH3MGdL5NA23wS8mGKdPPsQb06jdQhV5qcDpPNtVWjKkC/s1600/P1100047.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="243" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiVQFrNnPvtXX-YL1I8EMe5RzZngLXB2IXAR7oPpSeMoxnXcq94MWC2IKpRVTf5B2vvQ0gts_vxueOO2x1jNVyxIoTuso-O4jtWH3MGdL5NA23wS8mGKdPPsQb06jdQhV5qcDpPNtVWjKkC/s400/P1100047.JPG" width="400" /></a></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Nach dem Wiedereinbau funktionierte das Rollo wieder einwandfrei.</span></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Wenn man einmal weiss, wie einfach sich die Welle demontieren lässt und wie man die Dreiecke reparieren kann, ist der Aufwand für die Reparatur sehr gering. Ich werde daher wohl für diese Fenster so schnell kein neues Rollo mehr benötigen.</span></div>
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<br />A-baerhttp://www.blogger.com/profile/02377391887987144084noreply@blogger.com0tag:blogger.com,1999:blog-3845783275428802369.post-68600684393277526822016-04-09T04:47:00.000-07:002016-04-09T04:58:28.041-07:00Repair of an old door hinge<div class="separator" style="clear: both; text-align: center;">
<span style="font-family: "courier new" , "courier" , monospace;">Das sollte wieder eine Aufgabe für mein TIG-Schweissgerät werden, aber das wusste ich zu diesem Zeitpunkt noch nicht.</span></div>
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<span style="color: red; font-family: "courier new";">English Translation will follow.</span></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Vor einigen Wochen wurde ich gebeten, nach einer Terrassentür zu schauen, die sich nicht mehr richtig öffnen und schliessen lies. Sie hatte einen etwas komplexeren Dreh- Kipp-Beschlag. </span></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Ich stellte fest, dass das untere Türband gerissen war. </span></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Ich habe es ausgebaut und wollte es löten, weil ich der Meinung war, es sei aus Aluminiumguss. Das war aber ein Irrtum. Als ich das Teil erhitzte, begann es, gleichzeitig mit dem Lot zu schmelzen. </span><span style="font-family: "courier new" , "courier" , monospace;">Danach war es leider gänzlich unbrauchbar (im folgenden Bild rechts). </span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhOj6EDgHe8TNqJoQF4M2Rd2dubLE9V1lGtVp2mUWzzVI2GgLUsERgxYUcJz52dY1ELqDKTtF8cyhGPLdHRfnnnYnUSGqvEXZVSBIRZpYAvS1xIulCfuqWJQda4QMG005wqQn7qyIEiEHor/s1600/P1090770.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="300" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhOj6EDgHe8TNqJoQF4M2Rd2dubLE9V1lGtVp2mUWzzVI2GgLUsERgxYUcJz52dY1ELqDKTtF8cyhGPLdHRfnnnYnUSGqvEXZVSBIRZpYAvS1xIulCfuqWJQda4QMG005wqQn7qyIEiEHor/s400/P1090770.JPG" width="400" /></a></div>
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<span style="font-family: "courier new";">Der Grund: es war aus Zinkguss, und Zink schmilzt bei ca 400°C. </span></div>
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<span style="font-family: "courier new";">Ich habe dann gelernt, dass Zinkguss in vieler Hinsicht ähnliche oder sogar bessere Eigenschaften hat, wie Aluminiumguss. Nur bei der Temperatur kann er nicht mithalten - aber das ist bei Türbeschlägen eher nebensächlich.</span></div>
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<span style="font-family: "courier new";">Ein Anruf beim Hersteller dieser Beschläge - den es nach 30 Jahren immerhin noch gab - bestätigte die Befürchtung, dass dieses Band nicht mehr erhältlich war.</span></div>
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<span style="font-family: "courier new";">Da blieb nur eins: Band ausmessen und nachbauen.</span></div>
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<span style="font-family: "courier new";">Ich entschied mich für Eisen als Material, weil es sich gut schweissen lässt und ich dann das Band leichter aus Einzelteilen herstellen und diese dann verschweissen konnte.</span></div>
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<span style="font-family: "courier new";">Im oberen Bild links sieht man die Einzelteile aus 2, 3 und 5mm starkem Baustahl.</span> </div>
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<span style="font-family: "courier new" , "courier" , monospace;"> Beim Biegen des kleinen U-Stückes muss man die Materialverkürzung möglichst genau einkalkulieren, sonst wird das nichts.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgySKKecOIuHwwcTLvF3Oi8ylDe_W9vQcybIsvK71KGbcLiMzoa0KiwTZpmDxTAEZJaJCYwz8PudB5owmhkTdNB2XN8HGWbARf6NwagpenlanW8UPRCR6MTKNbRn0gzvMyJ13_L_UgluOFu/s1600/P1090823.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="300" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgySKKecOIuHwwcTLvF3Oi8ylDe_W9vQcybIsvK71KGbcLiMzoa0KiwTZpmDxTAEZJaJCYwz8PudB5owmhkTdNB2XN8HGWbARf6NwagpenlanW8UPRCR6MTKNbRn0gzvMyJ13_L_UgluOFu/s400/P1090823.JPG" width="400" /></a></div>
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<span style="font-family: "courier new";"> Das Verschweissen ging erwartungsgemäss gut.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhjW5bQs3B4UGIUr5btMx4O6OgIFQFC-N13j7v43HqTpvpsJJwdOfckNwUTawp0U_c1asGCbLdVNIBUQlVN6dEt42vWnyBSnGhVX8ZNy6piW2AWkKhS37ze1z2kRaoHYtGiDSfhcWca2IuS/s1600/P1090856.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="331" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhjW5bQs3B4UGIUr5btMx4O6OgIFQFC-N13j7v43HqTpvpsJJwdOfckNwUTawp0U_c1asGCbLdVNIBUQlVN6dEt42vWnyBSnGhVX8ZNy6piW2AWkKhS37ze1z2kRaoHYtGiDSfhcWca2IuS/s400/P1090856.JPG" width="400" /></a></div>
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<span style="font-family: "courier new";">Nur noch ein bisschen Rostschutz, und dann konnte es eingebaut werden. Passt und hält wieder für lange Zeit.</span></div>
A-baerhttp://www.blogger.com/profile/02377391887987144084noreply@blogger.com0tag:blogger.com,1999:blog-3845783275428802369.post-35926443266592281862016-04-09T02:49:00.000-07:002016-04-11T00:31:39.335-07:00Autophon Recordophon<div style="text-align: center;">
<span style="color: red; font-family: "courier new" , "courier" , monospace;">So now I could test the wire recorder and put it in operation.</span><br />
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<span style="color: red; font-family: "courier new" , "courier" , monospace;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjlxNV5__dT3L1Oe7uC7NNXvklYu2xGcHgXJswNX0elpyBy4RcwV8Umb4fOfNmVYUKaLcDcOhicypZcrWXd6vCqHQm-jJWLb_V-S65XBO4qrp9laQZOI_El8z6iB3UEto60rP4PD7oA6YLP/s1600/P1120192.JPG" imageanchor="1"><img border="0" height="252" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjlxNV5__dT3L1Oe7uC7NNXvklYu2xGcHgXJswNX0elpyBy4RcwV8Umb4fOfNmVYUKaLcDcOhicypZcrWXd6vCqHQm-jJWLb_V-S65XBO4qrp9laQZOI_El8z6iB3UEto60rP4PD7oA6YLP/s400/P1120192.JPG" width="400" /></a></span><br />
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<span style="color: red; font-family: "courier new" , "courier" , monospace;">You can find a video of this test on </span></div>
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<span style="color: red; font-family: "courier new" , "courier" , monospace;"><br /></span><span style="color: red; font-family: "courier new" , "courier" , monospace;"><a href="https://youtu.be/MJ_sobmQcao" style="background-color: white; border: 0px; color: #167ac6; cursor: pointer; line-height: 14.3px; margin: 0px; padding: 0px; text-decoration: none;" target="_blank">https://youtu.be/MJ_sobmQcao</a></span></div>
A-baerhttp://www.blogger.com/profile/02377391887987144084noreply@blogger.com0tag:blogger.com,1999:blog-3845783275428802369.post-81574227487234271402016-03-31T08:11:00.000-07:002016-03-31T08:12:07.651-07:00Philips Nanette<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhDaIdfsh0yaKiymOXhI2_qQPjT-UNzD8PIKu4gYBkQjn8EXa4Y2vgFm3TUacVc_WgpG5LIMwNY8rs28o9fufvBBYjNglaPs_yEEGpzrJe4uV7bbZqKRxaTtUGzMXwe4teqd1baQmBy8qL7/s1600/P1120009.JPG" imageanchor="1" style="clear: left; float: left; margin-bottom: 1em; margin-right: 1em;"></a><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhDaIdfsh0yaKiymOXhI2_qQPjT-UNzD8PIKu4gYBkQjn8EXa4Y2vgFm3TUacVc_WgpG5LIMwNY8rs28o9fufvBBYjNglaPs_yEEGpzrJe4uV7bbZqKRxaTtUGzMXwe4teqd1baQmBy8qL7/s1600/P1120009.JPG" imageanchor="1" style="clear: left; float: left; margin-bottom: 1em; margin-right: 1em;"></a><br />
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<span style="font-family: "courier new" , "courier" , monospace;">Vor einiger Zeit bekam ich ein kleines defektes Transistorradio. Es war eine <b>Philips Nanette L1W22T/64</b> aus dem Jahr 1964.</span></div>
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<span style="color: red; font-family: "courier new" , "courier" , monospace;">Some time ago I received a small defect transistor radio.</span><br />
<span style="color: red; font-family: "courier new" , "courier" , monospace;">It was a <b>Philips Nanette L1W22T/64</b> of the year 1964.</span><br />
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<span style="font-family: "courier new" , "courier" , monospace;">Das war damals eins der ersten und kleinsten Taschenradios - ein Fortschritt, der durch die Transistortechnik möglich wurde.</span></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Es ist nur 100mm x 80mm x 30mm gross.</span></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Das war für damalige Verhältnisse sensationell klein.</span></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Es läuft mit einer einzigen 9V-Batterie und empfängt Sender auf Langwelle, Mittelwelle und UKW. </span><span style="font-family: "courier new" , "courier" , monospace;">Für diese Funktionen hatte man bislang grosse röhrenbestückte Kisten benötigt.</span><br />
<span style="font-family: "courier new" , "courier" , monospace;"><span style="color: red;">At that time it was one of the earliest and smallest pocket radios - a real progress which was made possible by transistor technology.</span></span><br />
<span style="font-family: "courier new" , "courier" , monospace;"><span style="color: red;">It measures only 100mm x 80mm x 30mm.</span></span><br />
<span style="font-family: "courier new" , "courier" , monospace;"><span style="color: red;">Compared to former conditions this was sensationally small.</span></span><br />
<span style="font-family: "courier new" , "courier" , monospace;"><span style="color: red;">It works with a single 9V battery and receives stations in the long and medium wave range and on VHF.</span></span></div>
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<span style="font-family: "courier new" , "courier" , monospace;">So sieht das Gerät jetzt nach funktionsfähiger Restauration aus:</span><br />
<span style="color: red; font-family: "courier new" , "courier" , monospace;">This is what the device looks like after restoring it to function:</span><br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiJZ_5Cvq5JLu5Rt6LnErYOlkddi8yf4Y2HA-Io1UuMLwMHOGJbfgot_BW9p0zgxFC0WHT_bAtBTTJJawPZJ0-9apH8DfCvvUP6oRyrbuZCXanhlB86mU2JRvw10SZsulaiPj_BdNqcdzYn/s1600/Philips+Nanette+L1W22T-64-pic3.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="317" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiJZ_5Cvq5JLu5Rt6LnErYOlkddi8yf4Y2HA-Io1UuMLwMHOGJbfgot_BW9p0zgxFC0WHT_bAtBTTJJawPZJ0-9apH8DfCvvUP6oRyrbuZCXanhlB86mU2JRvw10SZsulaiPj_BdNqcdzYn/s400/Philips+Nanette+L1W22T-64-pic3.JPG" width="400" /></a></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Die Reparatur war wesentlich aufwändiger als ich gedacht hatte, da das Gerät stark "verbastelt" war. </span><span style="font-family: "courier new" , "courier" , monospace;">Zunächst sah es nicht so so kompliziert aus. Da war ein offensichtlich zu grosses Loch im Gehäuse...</span></div>
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<span style="font-family: "courier new" , "courier" , monospace;"><span style="color: red;">The repair was much more intricate than I had thought because of former and failed attempts to repair it. </span></span><span style="color: red; font-family: "courier new" , "courier" , monospace;">At first glance it didn't look too complicated. There was an obviously too big hole in the case...</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhMwscVgyJEr_gaALQVeF_0P-QuPHvR9e7cPxE3jCEobs4AgxfFazUULAkFxMA0qogKcdGf1v-qB2cPl1ljs1kzzrrJc8nZC47rWYSi5hFsCtaZOTcKnqOzh_WLNQhrujTm2rIcXTvCppat/s1600/P1120007_Bildgr%25C3%25B6%25C3%259Fe+%25C3%25A4ndern.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="167" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhMwscVgyJEr_gaALQVeF_0P-QuPHvR9e7cPxE3jCEobs4AgxfFazUULAkFxMA0qogKcdGf1v-qB2cPl1ljs1kzzrrJc8nZC47rWYSi5hFsCtaZOTcKnqOzh_WLNQhrujTm2rIcXTvCppat/s400/P1120007_Bildgr%25C3%25B6%25C3%259Fe+%25C3%25A4ndern.JPG" width="400" /></a></div>
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<span style="font-family: "courier new" , "courier" , monospace;">...und auf der Platine waren Leiterbahnen abgegangen und durch Kabel ersetzt worden. </span><span style="font-family: "courier new" , "courier" , monospace;">Mit fortschreitender Analyse kam dann aber Eins zum Anderen.</span></div>
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<span style="font-family: "courier new" , "courier" , monospace;"><span style="color: red;">...and on the circuit board tracks had gone and had been replaced by cables. </span></span><span style="color: red; font-family: "courier new" , "courier" , monospace;">With progressing analysis however one defect added to the other.</span><br />
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<span style="font-family: "courier new" , "courier" , monospace;">Es begann damit, dass der Ein-Aus-Schalter nicht funktionierte,</span></div>
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<span style="font-family: "courier new" , "courier" , monospace;">weil sich die Leiterbahnen auf der Schalterplatte gelöst hatten.</span><br />
<span style="font-family: "courier new" , "courier" , monospace;"><span style="color: red;">It began with the On-Off-switch that didn't work because conducting tracks on the switch had gone</span></span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhQc4RMOjfD5R6HdvJgZxM-9Kiec5Eq1QUuUBFcB-GF72yZ21aZoTqt0p5DC6r8zQRSos33S-y2Q5sDDrnXxeiGXN55LYIOoXdIQ2jOHdzRn_Mo0Ml8bbJ9y9JC4uWdqvBMllNpuhJAfaw4/s1600/P1110941_Bildgr%25C3%25B6%25C3%259Fe+%25C3%25A4ndern.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="400" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhQc4RMOjfD5R6HdvJgZxM-9Kiec5Eq1QUuUBFcB-GF72yZ21aZoTqt0p5DC6r8zQRSos33S-y2Q5sDDrnXxeiGXN55LYIOoXdIQ2jOHdzRn_Mo0Ml8bbJ9y9JC4uWdqvBMllNpuhJAfaw4/s400/P1110941_Bildgr%25C3%25B6%25C3%259Fe+%25C3%25A4ndern.JPG" width="300" /></a></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Er war ausserdem mit einer Harzmasse umhüllt. Ein Vergleich mit Fotos intakter Geräte zeigte, dass er aufgrund dieser Verklebung nicht mehr an der richtigen Stelle sass, und weil seine Position nicht mehr zu dem eigentlich für ihn vorgesehenen Loch im Gehäuse passte, hatte jemand kurzerhand das Loch im Gehäuse vergrössert - daher die gähnende Öffnung in der Seite.</span><br />
<span style="font-family: "courier new" , "courier" , monospace;"><span style="color: red;">The switch also was wrapped in resin. A comparison with photos of unspoiled devices showed me that due to this bonded joint the switch was no longer in the position where it should be. And because it's position didn't fit any more to the opening in the case someone quickly enlarged the hole in the case - producing this gaping opening in it's side.</span></span></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Es half also nichts. Der Schalter musste repariert werden.</span></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Nach Entfernen des Harzes konnte man die ursprüngliche Form und Dimension erkennen, ...</span><br />
<span style="font-family: "courier new" , "courier" , monospace;"><span style="color: red;">So there was no way around. The switch had to be repaired.</span></span><br />
<span style="font-family: "courier new" , "courier" , monospace;"><span style="color: red;">After removing the resin it was possible to recognize it's original form and dimensions...</span></span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiTpWB2VAm-VCeUSA_O9SxSVmS696gpZswFjEf5ahw4fOPbRCh778PwWY5TLHZmGR9FRy9JA48Dq2ff8dAPhtJx6paOPnSz1t6d4RTyd_uxljhmAxGXNmaFC7uj9_w6Tm-uVr4CLBFiTAaJ/s1600/P1110948_Bildgr%25C3%25B6%25C3%259Fe+%25C3%25A4ndern.JPG" imageanchor="1" style="text-align: start;"><img border="0" height="216" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiTpWB2VAm-VCeUSA_O9SxSVmS696gpZswFjEf5ahw4fOPbRCh778PwWY5TLHZmGR9FRy9JA48Dq2ff8dAPhtJx6paOPnSz1t6d4RTyd_uxljhmAxGXNmaFC7uj9_w6Tm-uVr4CLBFiTAaJ/s400/P1110948_Bildgr%25C3%25B6%25C3%259Fe+%25C3%25A4ndern.JPG" width="400" /></a></div>
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<span style="font-family: "courier new" , "courier" , monospace;">... eine neue Platine anfertigen...</span><br />
<span style="color: red; font-family: "courier new" , "courier" , monospace;">... to make a new pcb..</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhNp3um27GSEc6KMHca5ChFXrMR3nyCKlwFMoYQNtV_9K4ylcRC8UmTsmp07xjxlsed4ou773IorrcSDFMuJeelyXa-WHRbOR_SMAdBKU9KFOtWx_X8FmFlALv_-YKUyQuzD6GdbvH0UG6J/s1600/P1110956_Bildgr%25C3%25B6%25C3%259Fe+%25C3%25A4ndern.JPG" imageanchor="1" style="text-align: start;"><img border="0" height="216" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhNp3um27GSEc6KMHca5ChFXrMR3nyCKlwFMoYQNtV_9K4ylcRC8UmTsmp07xjxlsed4ou773IorrcSDFMuJeelyXa-WHRbOR_SMAdBKU9KFOtWx_X8FmFlALv_-YKUyQuzD6GdbvH0UG6J/s400/P1110956_Bildgr%25C3%25B6%25C3%259Fe+%25C3%25A4ndern.JPG" width="400" /></a></div>
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<span style="font-family: "courier new" , "courier" , monospace;">... den Schalthebel montieren und die Platine an den Winkel nieten.</span><br />
<span style="font-family: "courier new" , "courier" , monospace;"><span style="color: red;">... to remount the switch lever and to rivet the pcb to the angle bracket.</span></span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi_sl70X87_dnA_dcobBr-jmj4KPLx3ZbHkINoR9GgyDNdi11hiuuXAdLW0-S4uozDlDDQGz6snWhzvAPYbuIPfvNZs0aKoa8A1qQGLrSPHVfzqpjtvyoQiGG9c_t63ze6iG3lJ8AmpWNrP/s1600/P1120013_Bildgr%25C3%25B6%25C3%259Fe+%25C3%25A4ndern.JPG" imageanchor="1" style="text-align: start;"><img border="0" height="240" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi_sl70X87_dnA_dcobBr-jmj4KPLx3ZbHkINoR9GgyDNdi11hiuuXAdLW0-S4uozDlDDQGz6snWhzvAPYbuIPfvNZs0aKoa8A1qQGLrSPHVfzqpjtvyoQiGG9c_t63ze6iG3lJ8AmpWNrP/s320/P1120013_Bildgr%25C3%25B6%25C3%259Fe+%25C3%25A4ndern.JPG" width="320" /></a></div>
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<span style="font-family: "courier new" , "courier" , monospace;">So weit, so gut.</span><br />
<span style="font-family: "courier new" , "courier" , monospace;"><span style="color: red;">So far, so good.</span></span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjsu1rElcDK_PRxKz9Nx5NTavhhm2ZhkXj4wdASQcINQ1nedYlTmRpL_vv0FoRC9yIb8Ifbnen-jWyVXADJ1Rn8nyxfCm_mRwOdqEmt91xCNkyRL7vw0lhm1zhbkECVsIijonsKKeCPrS3U/s1600/P1120084_Bildgr%25C3%25B6%25C3%259Fe+%25C3%25A4ndern.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="240" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjsu1rElcDK_PRxKz9Nx5NTavhhm2ZhkXj4wdASQcINQ1nedYlTmRpL_vv0FoRC9yIb8Ifbnen-jWyVXADJ1Rn8nyxfCm_mRwOdqEmt91xCNkyRL7vw0lhm1zhbkECVsIijonsKKeCPrS3U/s320/P1120084_Bildgr%25C3%25B6%25C3%259Fe+%25C3%25A4ndern.JPG" width="320" /></a></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Als ich nun die Platine wieder ins Gehäuse montieren wollte, um zu sehen, wo genau der Schalter in der grossen Öffnung sass, stellte ich fest, dass sich das Gehäuse nicht richtig schliessen liess.</span><br />
<span style="font-family: "courier new" , "courier" , monospace;"><span style="color: red;">However when I wanted to remount the radio pcb into the case in order to precisely locate the switch position within the gaping hole in the case, I found that the case could not be closed properly.</span></span><br />
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<span style="font-family: "courier new" , "courier" , monospace;">Nach einigem Rätselraten fiel mir auf, dass die beiden unteren Gewindehülsen im Gehäuse, auf denen die Platine befestigt wurde, um gut einen Millimeter höher waren als die anderen beiden. <br />Einer der Vorbesitzer hatte sie offenbar mit Harz fixiert und dabei nicht auf ihre Höhe geachtet.</span><br />
<span style="font-family: "courier new" , "courier" , monospace;"><span style="color: red;">After some guesswork I found out that the bottom two threaded studs on which the radio-pcb was mounted, were more than a millimeter higher than the other two. </span></span><span style="color: red; font-family: "courier new" , "courier" , monospace;">One of the previous owners obviously had fixed them with resin without taking care of their hight.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEge9imxYvIFtcb1g8zXE_T19CqW7ruTRzpj-tVH1doPuEy9p9AUy0QGkpLTXtkh52FKgi-ngFEdtoxPzEfwO_QUXUZyyXy48BKz8jjlJB6IrGq8HAU3HdVT4ujZr1e5jX7f-jSeVT9dX2E_/s1600/P1060465_Bildgr%25C3%25B6%25C3%259Fe+%25C3%25A4ndern.JPG" imageanchor="1" style="text-align: start;"><img border="0" height="300" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEge9imxYvIFtcb1g8zXE_T19CqW7ruTRzpj-tVH1doPuEy9p9AUy0QGkpLTXtkh52FKgi-ngFEdtoxPzEfwO_QUXUZyyXy48BKz8jjlJB6IrGq8HAU3HdVT4ujZr1e5jX7f-jSeVT9dX2E_/s400/P1060465_Bildgr%25C3%25B6%25C3%259Fe+%25C3%25A4ndern.JPG" width="400" /></a></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Nachdem ich das Harz weggefräst hatte, wurde ersichtlich, dass der Kunststoff um die Gewindehülsen gerissen war.</span><br />
<span style="font-family: "courier new" , "courier" , monospace;"><span style="color: red;">After removind the resin, it became obvious that the plastic studs were torn.</span></span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgfLWuWBoeF2rJS8aBxKRnyciHAHd8kMM0P_DafoYjsiKqeHLtIgsHgj0_taqLuzSURAE_oyAERgZOgrocVuVgFulop0M-oVtNryKqyj9l87u2Mzv85wgsHAkeUJuS2U8PaS2XmtTn27Afg/s1600/P1120043_Bildgr%25C3%25B6%25C3%259Fe+%25C3%25A4ndern.JPG" imageanchor="1" style="text-align: start;"><img border="0" height="300" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgfLWuWBoeF2rJS8aBxKRnyciHAHd8kMM0P_DafoYjsiKqeHLtIgsHgj0_taqLuzSURAE_oyAERgZOgrocVuVgFulop0M-oVtNryKqyj9l87u2Mzv85wgsHAkeUJuS2U8PaS2XmtTn27Afg/s400/P1120043_Bildgr%25C3%25B6%25C3%259Fe+%25C3%25A4ndern.JPG" width="400" /></a></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Ich habe daher um alle vier Gewindezapfen ein dünnes Messingrohr als Bandage mit Epoxidharz angebracht.</span><br />
<span style="font-family: "courier new" , "courier" , monospace;"><span style="color: red;">I therefore bandaged all four studs with thin brass tubes glued with epoxy resin.</span></span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiL5WKMtArkyrxRLZZ5EM5-2emfdcFFAsWD3u21WZdl30hRPxA6g16BbQcBwInw2uPtKILbYwbRg_brNx3sgJyMnwvvGSNLWLpxBNKNVbeewA4RkpxgKG6CZ83H6JGHpJ8DWWEij42I-Ons/s1600/P1120047_Bildgr%25C3%25B6%25C3%259Fe+%25C3%25A4ndern.JPG" imageanchor="1" style="text-align: start;"><img border="0" height="300" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiL5WKMtArkyrxRLZZ5EM5-2emfdcFFAsWD3u21WZdl30hRPxA6g16BbQcBwInw2uPtKILbYwbRg_brNx3sgJyMnwvvGSNLWLpxBNKNVbeewA4RkpxgKG6CZ83H6JGHpJ8DWWEij42I-Ons/s400/P1120047_Bildgr%25C3%25B6%25C3%259Fe+%25C3%25A4ndern.JPG" width="400" /></a></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Als Nächstes habe ich mir die Schaltung selbst vorgenommen.</span><br />
<span style="font-family: "courier new" , "courier" , monospace;"><span style="color: red;">In the next step I went for the radio circiut itself.</span></span><br />
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<span style="font-family: "courier new" , "courier" , monospace;">Die Seite mit den Leiterbahnen war in schlechtem Zustand. Einige waren schon abgefallen, andere waren locker und hoben sich beim Ein- und Auslöten von Bauteilen ab. </span><br />
<span style="font-family: "courier new" , "courier" , monospace;"><span style="color: red;">The copper side of the pcb was in a very bad condition. Some tracks were completely gone, others came loose when soldering or unsoldering components.</span></span><br />
<span style="font-family: "courier new" , "courier" , monospace;"><br />In mühsamer Kleinarbeit habe ich sie durch dünne Drähte oder isolierte Litzen nachgebildet und die in der Luft hängenden Beine einiger Bauteile befestigt:</span><br />
<span style="font-family: "courier new" , "courier" , monospace;"><span style="color: red;">In tedious detail work I replaced all loose tracks with thin copper wires or isolated strand and fixed component ends formerly dangling in the air.</span></span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi-fBACqeqausLKfnt5qreanOLS1Hf0-MNXaXytfSt_mYdwnNmx5ULsaDCGiCsUsZFx_AWvzTDDW4Ou7ia2nhtzvS82oGDmiPZtFzMCEJzBhuCxj_OUckPCOukw2CmTjLT_HJf86gJJECvQ/s1600/P1120083_Bildgr%25C3%25B6%25C3%259Fe+%25C3%25A4ndern.JPG" imageanchor="1"><img border="0" height="286" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi-fBACqeqausLKfnt5qreanOLS1Hf0-MNXaXytfSt_mYdwnNmx5ULsaDCGiCsUsZFx_AWvzTDDW4Ou7ia2nhtzvS82oGDmiPZtFzMCEJzBhuCxj_OUckPCOukw2CmTjLT_HJf86gJJECvQ/s400/P1120083_Bildgr%25C3%25B6%25C3%259Fe+%25C3%25A4ndern.JPG" width="400" /></a></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Ausser einem Transistor und zwei Elektrolytkondensatoren waren auch zwei der winzigen HF-Filter defekt. Die Spulen hatten keinen Durchgang mehr, weil offensichtlich Anschlüsse aus ihrer Grundplatte ausgebrochen und die hauchdünnen Drähte abgerissen waren.</span><br />
<span style="font-family: "courier new" , "courier" , monospace;"><span style="color: red;">Besides a transistor and two electrolytic capacitors also two of the tiny bandfilters were defect. Their contact pins were broken out of their ground plate thus tearing off the very thin wires of their coils.</span></span><br />
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<span style="font-family: "courier new" , "courier" , monospace;">Das war heikel, weil für Filter anderer Abmessung praktisch kein </span></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Platz war und auch die Lötanschlüsse genau passen mussten.</span><br />
<span style="font-family: "courier new" , "courier" , monospace;"><span style="color: red;">This was tricky because there was no spare place for filters of different dimensions, and besides the soldering pins had to fit.</span></span></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Bei diesem UKW-Filter war die Grundplatte regelrecht zerbröselt: </span><br />
<span style="font-family: "courier new" , "courier" , monospace;"><span style="color: red;">Of this VHF-filter the base plate was virtually crumbled:</span></span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgMhupTYG8gl_YKvJRezEw72kRAOWVBoVYPDLrEev3HUsIvqh4urLQEDt61Aqj7F01l9WYqAoakfnpObBBsEhp73DIUp4XHOG5vQvtfWy4H4jh_oQo2C27TO7-PIIPlOlvkQY7Zl_0cfJ7L/s1600/P1120048_Bildgr%25C3%25B6%25C3%259Fe+%25C3%25A4ndern.JPG" imageanchor="1" style="text-align: start;"><img border="0" height="285" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgMhupTYG8gl_YKvJRezEw72kRAOWVBoVYPDLrEev3HUsIvqh4urLQEDt61Aqj7F01l9WYqAoakfnpObBBsEhp73DIUp4XHOG5vQvtfWy4H4jh_oQo2C27TO7-PIIPlOlvkQY7Zl_0cfJ7L/s400/P1120048_Bildgr%25C3%25B6%25C3%259Fe+%25C3%25A4ndern.JPG" width="400" /></a></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Ich habe die Grundplatte mit einer sehr dünnen Pertinaxplatte verstärkt, die mit Epoxid aufgeklebt wurde und so auch den Anschlüssen Halt gab. Die Bewicklung war kein Problem, weil wegen der hohen Frequenzen nur wenige Windungen HF-Litze nötig waren.</span><br />
<span style="font-family: "courier new" , "courier" , monospace;"><span style="color: red;">I reenforced the base plate by glueing a very thin Pertinax plate onto it with epoxy resin. This also gave hold to the </span></span><span style="color: red; font-family: "courier new" , "courier" , monospace;">contact pins.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjb5SM95-w_2H6frFFDhJWEDPBpYQTgJ1lh_9meBhfcBGZCZFY9QFuUlcXcS8ml9UpQu215AC3h1Gj_nFt32PGvFZck8PNNLWgcnmyQMIAYfPDVcZfOIuma3A-CXKjupgGiZgODAnOepZig/s1600/P1120051_Bildgr%25C3%25B6%25C3%259Fe+%25C3%25A4ndern.JPG" imageanchor="1" style="text-align: start;"><img border="0" height="400" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjb5SM95-w_2H6frFFDhJWEDPBpYQTgJ1lh_9meBhfcBGZCZFY9QFuUlcXcS8ml9UpQu215AC3h1Gj_nFt32PGvFZck8PNNLWgcnmyQMIAYfPDVcZfOIuma3A-CXKjupgGiZgODAnOepZig/s400/P1120051_Bildgr%25C3%25B6%25C3%259Fe+%25C3%25A4ndern.JPG" width="286" /></a></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Der zweite defekte Bandfilter - einer für den AM-Bereich - war noch problematischer. Die Spule in einem Ferritkern war noch kleiner und musste mit in Summe fast 300 Windungen bewickelt werden.</span></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Drahtdurchmesser 0,07mm. Das wollte ich nicht von Hand wickeln. Daher brauchte ich auch noch eine Aufspannvorrichtung für diesen Mini-Spulenkörper.</span><span style="font-family: "courier new" , "courier" , monospace;">Aber irgendwie ging es dann doch.</span></div>
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<span style="font-family: "courier new" , "courier" , monospace;"><span style="color: red;">The second defective bandfilter - it was one for the AM part - was even more tricky to repair. The coil in a ferrite core was even smaller and had to carry about 300 windings of enameled copper wire of 0,07mm diameter. </span></span><span style="color: red; font-family: "courier new" , "courier" , monospace;">I did not want to wind this manually. Therefore I had to make me a chuck for this tiny coil-body.</span><br />
<span style="font-family: "courier new" , "courier" , monospace;"><span style="color: red;">But somehow it worked. </span></span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgLM0pJ6g0QDyf1F_tF_G38Zb2fGyvg9zLQN300XYFt-aNS9vIUneYnSjBqg2TMctOcmDpMw7WW5xezhuL4czBp_ZTIrHr5VHBPTi5MPbTPq90d2HH-pjuU7wWN2adul9ZSsL84quAtYxsr/s1600/P1120078_Bildgr%25C3%25B6%25C3%259Fe+%25C3%25A4ndern.JPG" imageanchor="1" style="text-align: start;"><img border="0" height="380" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgLM0pJ6g0QDyf1F_tF_G38Zb2fGyvg9zLQN300XYFt-aNS9vIUneYnSjBqg2TMctOcmDpMw7WW5xezhuL4czBp_ZTIrHr5VHBPTi5MPbTPq90d2HH-pjuU7wWN2adul9ZSsL84quAtYxsr/s400/P1120078_Bildgr%25C3%25B6%25C3%259Fe+%25C3%25A4ndern.JPG" width="400" /></a></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Hier die Bestückungsseite der Platine nach allen durchgeführten Reparaturen. Die roten Pfeile markieren die reparierten Bandfilter.</span><br />
<span style="font-family: "courier new" , "courier" , monospace;"><span style="color: red;">Here is now the component side of the pcb after all repair steps have been carried out. The red arrows point to the repaired bandfilters.</span></span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiTwBB_rNTKpkyP3SdfRMk6DbuIPanM1WAh4xV_XIu2d5vEt7NUHZg2S38SO68qVIheSFu0kMVjGz-9bsw8qoqI2LvyIj8y5GuoTGNksG9wRGvTJKogvpTY9rksJL9UwxFMbf9YkCjK2NeU/s1600/Philips+Nanette+L1W22T-64-pic1.JPG" imageanchor="1"><img border="0" height="300" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiTwBB_rNTKpkyP3SdfRMk6DbuIPanM1WAh4xV_XIu2d5vEt7NUHZg2S38SO68qVIheSFu0kMVjGz-9bsw8qoqI2LvyIj8y5GuoTGNksG9wRGvTJKogvpTY9rksJL9UwxFMbf9YkCjK2NeU/s400/Philips+Nanette+L1W22T-64-pic1.JPG" width="400" /></a></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Die grünen Pfeile zeigen auf die Luftspulen des UKW-Hochfrequenzschwingkreises und des UKW-Oszillatorschwingkreises. Ihre Induktivitäten und Kopplungsfaktoren werden durch Auseinanderziehen oder Zusammenschieben der Windungen abgeglichen - ein mühsamer Prozess, der viel Fingerspitzengefühl erfordert.</span><br />
<span style="font-family: "courier new" , "courier" , monospace;"><span style="color: red;">The green arrows point to the air-core-coils of the VHF tuned circuit and the VHF oscillator circuit.</span></span><br />
<span style="font-family: "courier new" , "courier" , monospace;"><span style="color: red;">Their inductances and coupling factors are adjusted by extending or compressing their windings - a cumbersome process which requires some intuition.</span></span></div>
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<span style="font-family: "courier new" , "courier" , monospace;"><br /></span></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Bemerkenswert ist auch, dass hier die UKW-Teile unabgeschirmt im Gehäuse liegen. In anderen UKW-Empfängern sind sie in ein Metallgehäuse eingebaut. Die nicht </span><span style="font-family: "courier new" , "courier" , monospace;">vorhandene Abschirmung hat zur Folge, dass z.B. die Hand, die das Gerät hält, Einfluss auf die Abstimmung hat.</span><br />
<span style="font-family: "courier new" , "courier" , monospace;"><span style="color: red;">It is also remarkable that the VHF components are more or less unshielded in the case. In other VHF tuners they are completely enclosed in a metal box. The missing shield in this device has the effect that e.g. the hand holding the device influences the tuning.</span></span></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Jetzt fehlten nur noch zwei Schönheitsoperationen: Das Schliessen des Lochs im Gehäuse und die Antennenspitze.</span><br />
<span style="font-family: "courier new" , "courier" , monospace;"><span style="color: red;">Now only two aesthetic changes were missing: The closing of the hole in the case and the tip of the antenna.</span></span></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Offenbar war das oberste Glied der Teleskopantenne abgebrochen. Um die Bruchstelle zu glätten und zu fixieren hatte man einen dicken Lötzinntropfen angebracht. </span><br />
<span style="font-family: "courier new" , "courier" , monospace;"><span style="color: red;">Obviously the top element of the antenna had been torn off. To fix the crack it had been covered with a big blob of solder.</span></span></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Das war für die Funktion zwar ausreichend aber unschön. Ich habe ihn entfernt und durch eine Messingperle ersetzt.</span></div>
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<span style="font-family: "courier new" , "courier" , monospace;"><span style="color: red;">While this was sufficient for the function it was unaesthetic. I replaced the blob with a perl of </span></span><span style="color: red; font-family: "courier new" , "courier" , monospace;">brass</span><span style="color: red; font-family: "courier new" , "courier" , monospace;">.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg6cPgaM8apXNdoK9Krvj9CKaJjsTfRL9mn3lw_eU7gvIkc1X9JZHZY_KzCbH3XiI_JVMLYhjtC2ncgSojJ3edpDx4OWNUHI6p2GljAoeeDuk95q67FeQfC2nPfzn6ppDpIfP5O0YA7PUWc/s1600/P1120088.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="400" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg6cPgaM8apXNdoK9Krvj9CKaJjsTfRL9mn3lw_eU7gvIkc1X9JZHZY_KzCbH3XiI_JVMLYhjtC2ncgSojJ3edpDx4OWNUHI6p2GljAoeeDuk95q67FeQfC2nPfzn6ppDpIfP5O0YA7PUWc/s400/P1120088.JPG" width="295" /></a></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Der Einsatz für das Loch konnte nun ausgemessen und gefräst werden. Zum Glück hatte ich ein Stück Plastik in einer ähnlichen schmutzig-beigen Farbe in meiner Materialkiste.</span></div>
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<span style="font-family: "courier new" , "courier" , monospace;"><span style="color: red;">The insert for the hole in the case now could be sized and milled.</span></span></div>
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<span style="font-family: "courier new" , "courier" , monospace;"><span style="color: red;">By chance I had a similarly coloured piece of plastic in my material stock.</span></span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg19DxqrfaTetnzjOUTkuN2CT-NCZB3evje0imVcBvOmb_fabL38c7Ovw4g8JQEMDG4ZvPW_t5mIs-_OHHIeQEKkaugN-E4bpT8TXLhCsbryBLhbBjEuyGJjx6l5Iga_bP03T3aymLYpqUf/s1600/P1120098_Bildgr%25C3%25B6%25C3%259Fe+%25C3%25A4ndern.JPG" imageanchor="1" style="text-align: start;"><img border="0" height="315" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg19DxqrfaTetnzjOUTkuN2CT-NCZB3evje0imVcBvOmb_fabL38c7Ovw4g8JQEMDG4ZvPW_t5mIs-_OHHIeQEKkaugN-E4bpT8TXLhCsbryBLhbBjEuyGJjx6l5Iga_bP03T3aymLYpqUf/s400/P1120098_Bildgr%25C3%25B6%25C3%259Fe+%25C3%25A4ndern.JPG" width="400" /></a></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Und so war das Pocket-Radio Philips Nanette von 1962 endlich wieder zum Leben erweckt. Hier von vorn...</span></div>
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<span style="font-family: "courier new" , "courier" , monospace;"><span style="color: red;">So finally the pocket-radio Philips Nanette from 1962 was revived. Front side...</span></span></div>
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<span style="font-family: "courier new" , "courier" , monospace;">... und hier von hinten.</span></div>
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<span style="color: red; font-family: "courier new" , "courier" , monospace;">...and back side.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgt8bIlsEMEOC9fMwD7tSI1sTldWToyXwMOs3rpE_qaBE9eCT-5UETVEneH93e7TQ9KsdnYGEii4ATFQAYbmZXgcwEvoqVttlNiLyiZ1jHb7OzcKlUyCW2LtYcY-JCRRq9Hu3pyQJx19xTy/s1600/P1120103_Bildgr%25C3%25B6%25C3%259Fe+%25C3%25A4ndern.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="300" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgt8bIlsEMEOC9fMwD7tSI1sTldWToyXwMOs3rpE_qaBE9eCT-5UETVEneH93e7TQ9KsdnYGEii4ATFQAYbmZXgcwEvoqVttlNiLyiZ1jHb7OzcKlUyCW2LtYcY-JCRRq9Hu3pyQJx19xTy/s400/P1120103_Bildgr%25C3%25B6%25C3%259Fe+%25C3%25A4ndern.JPG" width="400" /></a></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Der Mini-Lautsprecher ist auch etwas Besonderes: </span></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Er hat einen Nenn-Scheinwiderstand von 100 Ohm.</span></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Wenn der defekt wäre, hätte man ein Problem: Ersatzbeschaffung dürfte schwer bis unmöglich sein und für einen Ausgangsübertrager, den man brauchte um einen handelüblichen 8-Ohm-Lautsprecher zu verwenden, fehlt der Platz.</span></div>
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<span style="font-family: "courier new" , "courier" , monospace;"><span style="color: red;">The mini speaker also is a peculiarity:</span></span></div>
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<span style="font-family: "courier new" , "courier" , monospace;"><span style="color: red;">It has a rated impedence of 100 Ohms.</span></span></div>
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<span style="font-family: "courier new" , "courier" , monospace;"><span style="color: red;">If it were defect, this would be a problem: replacement would probably difficult to impossible and there would not be space in the case for an output transformer which would be necessary to use an off-the-shelf 8-Ohm-speaker.</span></span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhlLpE8huRZBDhl4voIlz5CgKKoqTtD_LSbnUVtzxaHwRE5jKBYQDFxX09WtSyqjJ9qyLWzZV9EoHjO9_oE-jsefindao_KO89zPonDbX728voGO4EWeUyqryb1E-JBpbdnfz5rQkfmGwY3/s1600/Philips+Nanette+L1W22T-64-pic2.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="300" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhlLpE8huRZBDhl4voIlz5CgKKoqTtD_LSbnUVtzxaHwRE5jKBYQDFxX09WtSyqjJ9qyLWzZV9EoHjO9_oE-jsefindao_KO89zPonDbX728voGO4EWeUyqryb1E-JBpbdnfz5rQkfmGwY3/s400/Philips+Nanette+L1W22T-64-pic2.JPG" width="400" /></a></div>
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<br />A-baerhttp://www.blogger.com/profile/02377391887987144084noreply@blogger.com0tag:blogger.com,1999:blog-3845783275428802369.post-39442944605901968832016-03-30T14:32:00.003-07:002016-03-30T14:32:55.927-07:00Bandages for broken Plastic Parts<div class="separator" style="clear: both; text-align: center;">
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<span style="font-family: "courier new" , "courier" , monospace;">Bei der Restauration älterer Geräte stösst man mitunter auf kaputte Kunststoffteile. Durch Alterung oder einfach Überlastung können hochbelastete Stelle wie z.B. Lagerbüchsen einreissen.</span></div>
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<span style="font-family: "courier new" , "courier" , monospace;"><span style="color: red; font-family: "courier new" , "courier" , monospace;">When restoring old devices, you are occasionally confronted with broken plastic parts. Due to ageing or overstressing highly stressed regions like bushings can tear.</span></span></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Wenn möglich, ersetze ich das ganze Kunststoffteil. Manchmal aber sind die Kunststoffteile so komplex geformt, dass ein Nachbau zu kompliziert ist. Wenn ein Ersatzteil nicht mehr erhältlich oder zu teuer ist, ist guter Rat teuer.</span></div>
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<span style="font-family: "courier new" , "courier" , monospace;"><span style="color: red;">If possible, I usually replace the whole plastic part. Sometimes however these parts have such a complex form that it is too complicated to rebuild them. If spare parts are no longer available or too expensive, it's hard to know what to do. </span></span></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Oft ist es dann aber möglich, die belasteten Teile mit Metallteilen - ich verwende meist Messing - so zu bandagieren, dass sie wieder stabil sind und ein weiteres Einreissen vermieden wird.</span></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Der Aufwand ist meist relativ gering.</span></div>
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<span style="font-family: "courier new" , "courier" , monospace;"><span style="color: red;">Often however it is possible, to bandage the most stressed regions with metal parts - I usually use brass - in order to make them stable again and to prevent them from tearing further. The effort frquently is fairly small.</span></span></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Hier einige Beispiele:</span></div>
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<span style="font-family: "courier new" , "courier" , monospace;"><span style="color: red;">Here are some examples:</span></span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjhMj1npeLADUMyi8Sicq1A-Lf-BPQ_SGPGNHvg5PHviAaz_3BEKKvBNEW_sFKoKL0lG08EG94HIMQsVTOLMQVXWuhBETG_csCt9wvXOBz4KxqzGIOHKEufHxHnM3Dps5jCyDEj8qcZ8Z2s/s1600/Links+A+vorher+1_Bildgr%25C3%25B6%25C3%259Fe+%25C3%25A4ndern.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="400" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjhMj1npeLADUMyi8Sicq1A-Lf-BPQ_SGPGNHvg5PHviAaz_3BEKKvBNEW_sFKoKL0lG08EG94HIMQsVTOLMQVXWuhBETG_csCt9wvXOBz4KxqzGIOHKEufHxHnM3Dps5jCyDEj8qcZ8Z2s/s400/Links+A+vorher+1_Bildgr%25C3%25B6%25C3%259Fe+%25C3%25A4ndern.JPG" width="396" /></a></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi1B2y_1IdllkUGmTpAHJz9HWomPZI0ZNVzaHby9hHMS1weCJapDdDONuEo7xuqfQipJp5MwRoE8muqLGWeBK-A_xD1BYYFd2bfR61UHCFPbwQqsOwSMufH9zarPOymdio0SozEi6hwaOXH/s1600/Links+B+w%25C3%25A4hrend+1_Bildgr%25C3%25B6%25C3%259Fe+%25C3%25A4ndern.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="368" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi1B2y_1IdllkUGmTpAHJz9HWomPZI0ZNVzaHby9hHMS1weCJapDdDONuEo7xuqfQipJp5MwRoE8muqLGWeBK-A_xD1BYYFd2bfR61UHCFPbwQqsOwSMufH9zarPOymdio0SozEi6hwaOXH/s400/Links+B+w%25C3%25A4hrend+1_Bildgr%25C3%25B6%25C3%259Fe+%25C3%25A4ndern.JPG" width="400" /></a></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Wenn die Bandagen stramm passend gemacht werden, braucht man noch nicht mal Kleber.</span></div>
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<span style="font-family: "courier new" , "courier" , monospace;"><span style="color: red;">If the bandages are made to fit snugly, not even glue is needed.</span></span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhb2Dg5mlcY8A4x-PFbBD6BHfa7QnRUUiS7HcRO6NUAxiK748XXtEE-Ytx8ENtc1dl_QO7g9jhnVngTtSu2rZxoqecey5pTNbE_mAaGm_uZkuwo6WMghBhSDatFZa7BbnLOgf-bgY_HoMR5/s1600/Ritzel+Z12+Modul0%252C5+Da7mm+Di2%252C9mm+L7mm_Bildgr%25C3%25B6%25C3%259Fe+%25C3%25A4ndern.JPG" imageanchor="1" style="text-align: start;"><img border="0" height="272" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhb2Dg5mlcY8A4x-PFbBD6BHfa7QnRUUiS7HcRO6NUAxiK748XXtEE-Ytx8ENtc1dl_QO7g9jhnVngTtSu2rZxoqecey5pTNbE_mAaGm_uZkuwo6WMghBhSDatFZa7BbnLOgf-bgY_HoMR5/s400/Ritzel+Z12+Modul0%252C5+Da7mm+Di2%252C9mm+L7mm_Bildgr%25C3%25B6%25C3%259Fe+%25C3%25A4ndern.JPG" width="400" /></a></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhISLSuCRU-37e52z7e-Lchw_WnZfN0NbRb_lFqBuO1fl2H55uOwjqr7OiIEHXtT_QXm1Sh7RCUR2S7vsrWtTYsm1BFdZMfxQW-nImBw8rRUK6-5mIZ8X4aGqj2tsPepvqYW_mEEHlRvcmQ/s1600/Bandagen+im+kleinen+Schraubstock+aufgepresst_Bildgr%25C3%25B6%25C3%259Fe+%25C3%25A4ndern.JPG" imageanchor="1"><img border="0" height="290" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhISLSuCRU-37e52z7e-Lchw_WnZfN0NbRb_lFqBuO1fl2H55uOwjqr7OiIEHXtT_QXm1Sh7RCUR2S7vsrWtTYsm1BFdZMfxQW-nImBw8rRUK6-5mIZ8X4aGqj2tsPepvqYW_mEEHlRvcmQ/s400/Bandagen+im+kleinen+Schraubstock+aufgepresst_Bildgr%25C3%25B6%25C3%259Fe+%25C3%25A4ndern.JPG" width="400" /></a></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Diese Nylon-Ritzel waren gerissen. Man hätte sie vielleicht noch beschaffen können. Schneller und billiger ging es aber mittels Bandagen. Einfach aufgepresst und fertig - und es sieht auch noch hübsch aus...</span></div>
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<span style="font-family: "courier new" , "courier" , monospace;"><span style="color: red;">These Nylon pinions were torn. Maybe in this case it would have been possible to buy replacements. However it could be solved faster and cheaper with bandages. Simply pressed on and that's it - and it even looks nice...</span></span></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Bei der folgenden Gehäuseschale waren vier Messing-Gewindebuchsen in Kunststoffzapfen eingegossen. Die Kunststoffzapfen waren gerissen und die Gewindebuchsen damit locker. Ein forscher Bastler hatte sie daher mit Kunstharzmasse neu eingeklebt - mit dem Ergebnis, dass das Gehäuse nicht mehr schloss. Ich habe das Harz entfernt und die Kunststoffnippel mit dünnen Messingringen bandagiert - diesmal mit Epoxid verklebt, damit sie "Bodenhaftung" haben.</span></div>
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<span style="font-family: "courier new" , "courier" , monospace;"><span style="color: red;">In the following case four brass screw collars were cast in plastic studs. The plastic studs were torn and the screw collars came loose. A brisk tinker wrapped them in resin - with the result that the case did not close any more. I removed the resin and bandaged the studs with thin brass rings - this time additionally glueded with epoxy to get good contact with the case.</span></span></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Vor einiger Zeit auf dem Schrottplatz </span><span style="font-family: "courier new" , "courier" , monospace;">sah ich </span><span style="font-family: "courier new" , "courier" , monospace;">unter anderem Gerümpel eine Holzkiste.</span></div>
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<span style="font-family: "courier new" , "courier" , monospace;"><span style="color: red;">Some time ago </span></span><span style="color: red; font-family: "courier new" , "courier" , monospace;">on the scrapyard </span><span style="color: red; font-family: "courier new" , "courier" , monospace;">I saw under a heap of rubbish a wooden box.</span></div>
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<span style="font-family: "courier new" , "courier" , monospace;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjuuBJMBsYkBDUt1pZL-ac_iUei94lJ0b3i4H8NgHGGV0D4ipwt-t7kYdH6GE8Yy87LtpQFp2avtRegKwjnr7XB8mv-8WLWujLTdX0yb7o4Hh0CFb70EqgrhRzHxiLsDE35VkDpMEEZjohc/s1600/P1060821.JPG" imageanchor="1"></a><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiBeydHcGg-UIz6WEED0NNoS687E-S6hqzwtHQfm_CnSFwK5VJNDKejWI_xf4L25Z0ABnLOTZbffRlLl6d7PxLZ6CzoIDh2Jj-SShK5-zYEs5w0rxN7pjp-UGoEdkASK0yHkygLiKNu1eYs/s1600/P1060835.JPG" imageanchor="1"><img border="0" height="400" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiBeydHcGg-UIz6WEED0NNoS687E-S6hqzwtHQfm_CnSFwK5VJNDKejWI_xf4L25Z0ABnLOTZbffRlLl6d7PxLZ6CzoIDh2Jj-SShK5-zYEs5w0rxN7pjp-UGoEdkASK0yHkygLiKNu1eYs/s400/P1060835.JPG" width="300" /></a></span></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Als ich die Klappe öffnete, sah ich etwas etwas Spezielles.</span></div>
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<span style="color: red; font-family: "courier new" , "courier" , monospace;">When I opened the lid, I saw something special.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgybcuE3OFqv1yHbOnpCBc-qirkDZuz2soTOtUx55izVOGH5U-LfLfvEEBL9UnjKCIfqhqJN1YBiRfroqfGyynbX2nU0tJPs4kkXVIQ0a6u_CSADujES7MgR9g2CFs7P4dAVCrZr3IfK-WX/s1600/Autophon+Recordophon+Typenschild.JPG" imageanchor="1" style="clear: left; float: left; margin-bottom: 1em; margin-right: 1em; text-align: center;"><span style="font-family: "courier new" , "courier" , monospace;"><br /></span></a><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgybcuE3OFqv1yHbOnpCBc-qirkDZuz2soTOtUx55izVOGH5U-LfLfvEEBL9UnjKCIfqhqJN1YBiRfroqfGyynbX2nU0tJPs4kkXVIQ0a6u_CSADujES7MgR9g2CFs7P4dAVCrZr3IfK-WX/s1600/Autophon+Recordophon+Typenschild.JPG" imageanchor="1" style="clear: left; float: left; margin-bottom: 1em; margin-right: 1em; text-align: center;"><span style="font-family: "courier new" , "courier" , monospace;"><br /></span></a><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgybcuE3OFqv1yHbOnpCBc-qirkDZuz2soTOtUx55izVOGH5U-LfLfvEEBL9UnjKCIfqhqJN1YBiRfroqfGyynbX2nU0tJPs4kkXVIQ0a6u_CSADujES7MgR9g2CFs7P4dAVCrZr3IfK-WX/s1600/Autophon+Recordophon+Typenschild.JPG" imageanchor="1" style="clear: left; float: left; margin-bottom: 1em; margin-right: 1em; text-align: center;"><span style="font-family: "courier new" , "courier" , monospace;"><br /></span></a><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgybcuE3OFqv1yHbOnpCBc-qirkDZuz2soTOtUx55izVOGH5U-LfLfvEEBL9UnjKCIfqhqJN1YBiRfroqfGyynbX2nU0tJPs4kkXVIQ0a6u_CSADujES7MgR9g2CFs7P4dAVCrZr3IfK-WX/s1600/Autophon+Recordophon+Typenschild.JPG" imageanchor="1" style="clear: left; float: left; margin-bottom: 1em; margin-right: 1em; text-align: center;"><span style="font-family: "courier new" , "courier" , monospace;"><br /></span></a><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgybcuE3OFqv1yHbOnpCBc-qirkDZuz2soTOtUx55izVOGH5U-LfLfvEEBL9UnjKCIfqhqJN1YBiRfroqfGyynbX2nU0tJPs4kkXVIQ0a6u_CSADujES7MgR9g2CFs7P4dAVCrZr3IfK-WX/s1600/Autophon+Recordophon+Typenschild.JPG" imageanchor="1" style="clear: left; float: left; margin-bottom: 1em; margin-right: 1em; text-align: center;"><span style="font-family: "courier new" , "courier" , monospace;"><br /></span></a><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgybcuE3OFqv1yHbOnpCBc-qirkDZuz2soTOtUx55izVOGH5U-LfLfvEEBL9UnjKCIfqhqJN1YBiRfroqfGyynbX2nU0tJPs4kkXVIQ0a6u_CSADujES7MgR9g2CFs7P4dAVCrZr3IfK-WX/s1600/Autophon+Recordophon+Typenschild.JPG" imageanchor="1" style="clear: left; float: left; margin-bottom: 1em; margin-right: 1em; text-align: center;"><span style="font-family: "courier new" , "courier" , monospace;"><br /></span></a><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgybcuE3OFqv1yHbOnpCBc-qirkDZuz2soTOtUx55izVOGH5U-LfLfvEEBL9UnjKCIfqhqJN1YBiRfroqfGyynbX2nU0tJPs4kkXVIQ0a6u_CSADujES7MgR9g2CFs7P4dAVCrZr3IfK-WX/s1600/Autophon+Recordophon+Typenschild.JPG" imageanchor="1" style="clear: left; float: left; margin-bottom: 1em; margin-right: 1em; text-align: center;"><span style="font-family: "courier new" , "courier" , monospace;"><br /></span></a><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgybcuE3OFqv1yHbOnpCBc-qirkDZuz2soTOtUx55izVOGH5U-LfLfvEEBL9UnjKCIfqhqJN1YBiRfroqfGyynbX2nU0tJPs4kkXVIQ0a6u_CSADujES7MgR9g2CFs7P4dAVCrZr3IfK-WX/s1600/Autophon+Recordophon+Typenschild.JPG" imageanchor="1" style="clear: left; float: left; margin-bottom: 1em; margin-right: 1em; text-align: center;"><span style="font-family: "courier new" , "courier" , monospace;"><br /></span></a><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh74ADDo4tqUE-1NQQYBMdeB3mymLTcMJB_N5M7N5JzcGZTU8jozVJrWc9fqQPwQ6R05TlZxCBsZT8J3wg2ygleim0qQN6MBrYjRH39ixPS7ErPzYsLU-5sJVro3c2c5dOL3mMPpiCkRKsw/s1600/P1110782.JPG" imageanchor="1" style="clear: left; float: left; margin-bottom: 1em; margin-right: 1em;"></a><br />
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<span style="font-family: "courier new" , "courier" , monospace;">Nun, der Plattenteller mit dem Tonarm war es nicht der mein Interesse weckte. Rechts neben dem Tonarm aber fiel mir gleich der Teller für die Drahtspule auf.</span></div>
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<span style="color: red; font-family: "courier new" , "courier" , monospace;">Well, it was not the record tray and the pickup, that raised my interest. It was the tray of the wire bobin to the right of the pickup.</span></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Es war ein Drahtrecorder kombiniert mit einem Grammophon - allerdings schon mit elektrodynamischem Tonabnehmer.</span></div>
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<span style="color: red; font-family: "courier new" , "courier" , monospace;">It was a wire recorder combined with a grammophone - already equipped with a electrodynamic pickup.</span></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Es war ein "Recordophon" der Schweizer Firma Autophon.</span></div>
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<span style="color: red; font-family: "courier new" , "courier" , monospace;">It was a "Recordophon" of the Swiss company Autophone. </span></div>
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<span style="font-family: "courier new" , "courier" , monospace;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgCuU2agoh2TOAiTr51DIhh5sopTYtDam1HAQN15nCuUX-o0cA3bk1vSO5_zs6Vcw60B0MWOhQNVHvAnUoFpI5UdzrLHCxr5L06eoKCUZ4XiP1shkj7prD4F01ueJpleFRBhkvSNNBFbLee/s1600/Autophon+Recordophon+Typenschild-1.jpg" imageanchor="1"><img border="0" height="195" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgCuU2agoh2TOAiTr51DIhh5sopTYtDam1HAQN15nCuUX-o0cA3bk1vSO5_zs6Vcw60B0MWOhQNVHvAnUoFpI5UdzrLHCxr5L06eoKCUZ4XiP1shkj7prD4F01ueJpleFRBhkvSNNBFbLee/s400/Autophon+Recordophon+Typenschild-1.jpg" width="400" /></a></span></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Das Baujahr dürfte so um 1951 herum gelegen haben.</span></div>
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<span style="color: red; font-family: "courier new" , "courier" , monospace;">The year of manufacture must have been around 1951.</span></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Zu dieser Zeit gab es mehrere Hersteller von Drahtrecordern. </span></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Sehr bekannt waren die Geräte der amerikanischen Firma Webster (die man auf manchen alten Filmaufnahmen der Nürnberger Prozesse sehen kann) und die deutsche Firma Schaub-Lorenz. Ein ganz spezieller, partabler Drahtrecorder war das Minifon der Hamburger Firma Protona, über das ich in einem anderen Post in Kürze berichten werde.</span></div>
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<span style="color: red; font-family: "courier new" , "courier" , monospace;">At that time several producers of wire recorders existed.</span></div>
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<span style="color: red; font-family: "courier new" , "courier" , monospace;">Well known were recorders of the American company Webster (which can be seen in some historical movies of the Nürnberg trials) and the German company Schaub-Lorenz. A very special portable wirerecorder was the Minifon of the Hamburg company Protona, about which I will report in one of the next posts.</span></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Dieses historisch interessante Gerät war in einem bedauernswerten Zustand: </span></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Das Gehäuse war gebrochen und durchnässt, die Kabel der Elektronik von Tieren angefressen, der Plattentellerbezug zerrissen und die Mechanik ölverschmiert.</span></div>
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<span style="color: red; font-family: "courier new" , "courier" , monospace;">This historically interesting device war in a pitiable state: The cabinet was broken an wet, the cabling was partly torn and fretted, the cover of the record tray was torn and the mechanics was smudged with oil. </span></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Bei genauerer Prüfung zeigten sich noch zwei weitere, heikle Defekte.</span></div>
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<span style="color: red; font-family: "courier new" , "courier" , monospace;">More detailed investigation showed two more precarious defects.</span></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Die sogenannte "Tänzer-Rolle" aus Hartgummi, die sich zwischen Antrieb und Plattenteller klemmt und diesen antreibt, war mehr fünfeckig als rund (siehe Pfeil im folgenden Bild).</span></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Dadurch rumpelte der Plattenspieler wie ein Auto, dass durch Schlaglöcher fährt.</span></div>
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<span style="color: red; font-family: "courier new" , "courier" , monospace;">The so called dancer roll, made of hard rubber, which is clamped between the drive shaft and the record tray in order to drive the tray, was a pentagon rather than a circle.</span></div>
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<span style="color: red; font-family: "courier new" , "courier" , monospace;">Therefore the player rumbled like a car on a gravel road.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEifezU29tJER-eIz4MZOyPE5uQxMbUuiArQd9md6RFOGlSc8-NngE3A0jqIUie7SRiu5xal2RMwEKw-lVh9J-Y31fm5CHh-k_g_B_97Io4QdBkPj0PUpdIraqhiIQ7R3nHhLIZfKeIIgR62/s1600/P1060815.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><span style="font-family: "courier new" , "courier" , monospace;"><img border="0" height="300" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEifezU29tJER-eIz4MZOyPE5uQxMbUuiArQd9md6RFOGlSc8-NngE3A0jqIUie7SRiu5xal2RMwEKw-lVh9J-Y31fm5CHh-k_g_B_97Io4QdBkPj0PUpdIraqhiIQ7R3nHhLIZfKeIIgR62/s400/P1060815.JPG" width="400" /></span></a></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Ausserdem zeigten Widerstandsmessungen am Tonkopf des Drahtrecorders, </span><span style="font-family: "courier new" , "courier" , monospace;">dass die Aufnahme-/Wiedergabespule defekt war.</span></div>
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<span style="color: red; font-family: "courier new" , "courier" , monospace;">Furthermore resistance measurements at the recording head of the wire recorder showed that die read-/write-coil was defekt.</span><span style="font-family: "courier new" , "courier" , monospace;"> </span></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Uijuijui.</span></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Einen Tonkopf hatte ich noch nie in meinem Leben geöffnet, geschweige denn repariert.</span></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Ein Ersatz aus Altbeständen von Sammlern und Restaurateuren war auch nicht zu erwarten, </span><span style="font-family: "courier new" , "courier" , monospace;">da dieses Schweizer Recordophon relativ selten ist und einen rechteckigen Tonkopf besitzt, während die anderen, verbreiteteren Geräte von Webster und Schaub runde Tonköpfe hatten.</span></div>
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<span style="color: red; font-family: "courier new" , "courier" , monospace;">omg.</span></div>
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<span style="color: red; font-family: "courier new" , "courier" , monospace;">I never opened up a recording head in my life, nor did I reair one.</span></div>
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<span style="color: red; font-family: "courier new" , "courier" , monospace;">A substitute from old stock of collectors and restorers could not be expected since this Swiss Recordophon is relatively rare and has a square recording head whereas the other more widely spread machines of Webster and Schaub had round heads.</span></div>
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<span style="font-family: "courier new" , "courier" , monospace;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg8wtwsDWnfVYcdaQM9C3IYrwNKoRf7Kr1_BFvagX1ND1Wf49ySvfBYZO431t4mC2P44i_p7d6LyeU4Dxli49D_J5uRUNQBfP57El2M-wt8d9mWCbZlhU9wLO27GnEynIEw26n3zztij8lU/s1600/P1060821.JPG" imageanchor="1"><img border="0" height="300" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg8wtwsDWnfVYcdaQM9C3IYrwNKoRf7Kr1_BFvagX1ND1Wf49ySvfBYZO431t4mC2P44i_p7d6LyeU4Dxli49D_J5uRUNQBfP57El2M-wt8d9mWCbZlhU9wLO27GnEynIEw26n3zztij8lU/s400/P1060821.JPG" width="400" /></a></span></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Also habe ich erstmal mit den einfacheren Sachen begonnen.</span></div>
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<span style="color: red; font-family: "courier new" , "courier" , monospace;">So for the time being I started with some simpler things.</span></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Das Tänzerrad konnte ich ausbauen und den Gummibelag um ca 1mm abdrehen. </span><span style="font-family: "courier new" , "courier" , monospace;">Das ging auf der Drehbank erstaunlich gut.</span></div>
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<span style="color: red; font-family: "courier new" , "courier" , monospace;"> I removed the dancer roll and turned off 1mm on the lathe. This worked astonishingly well.</span></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Auch der Plattentellerbelag liess sich entfernen und durch neuen Filz ersetzen. </span></div>
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<span style="color: red; font-family: "courier new" , "courier" , monospace;">Also the cover of the record tray yould be removed and replaced by a new felt cover.</span></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Die übrige Mechanik war schnell gereinigt und soweit unversehrt. Der Motor lief noch einwandfrei.</span></div>
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<span style="color: red; font-family: "courier new" , "courier" , monospace;">The rest of the mechanic was readily cleaned and intact. The motor still worked fine.</span></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Von einem Sammlerkollegen bekam ich eine etwas verbogene Drahtspule, die ich richten konnte.</span></div>
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<span style="color: red; font-family: "courier new" , "courier" , monospace;">From a collector friend I received a slightly bent bobin with wire on it and could straighten it.</span></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Damit war dieser Teil schon wieder funktionsfähig und präsentabel:</span></div>
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<span style="color: red; font-family: "courier new" , "courier" , monospace;">So this part was already functioning and presentable again: </span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh3hwsdDDQYbFNPwo_Y4kfOr2vvzGpRXCRgzuK6herziNv99oocaxe8CIzer3hasLdMMyquModx2FtHZGbSxi8VNci974kHxAKyOgDJOZqYosTmACBPbO9lTSUr-gsiD3dd0xFOUg5wkCgO/s1600/P1060951-1.jpg" imageanchor="1"><span style="font-family: "courier new" , "courier" , monospace;"><img border="0" height="338" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh3hwsdDDQYbFNPwo_Y4kfOr2vvzGpRXCRgzuK6herziNv99oocaxe8CIzer3hasLdMMyquModx2FtHZGbSxi8VNci974kHxAKyOgDJOZqYosTmACBPbO9lTSUr-gsiD3dd0xFOUg5wkCgO/s400/P1060951-1.jpg" width="400" /></span></a></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Dann habe ich mir die Elektronik vorgenommen. </span></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Sie dient als Aufnahme-/Wiedergabeverstärker für den Drahtrecorder. Aufnahmen sind möglich von Mikrophon, Platte und Radio. Zur Wiedergabe von Platte oder Drahtrecorder wurde das Ausgangssignal des Verstärkers in den Grammophoneingang eines Radios gespeist.</span></div>
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<span style="color: red; font-family: "courier new" , "courier" , monospace;">Then I went for the electronics.</span></div>
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<span style="color: red; font-family: "courier new" , "courier" , monospace;">It has the function of a record/playback amplifier for the wire recorder. Recordings are possible from microphone, record and radio. For playback of records or wire recordings the output signal of the amplifier was fed into the pickup jack of a radio receiver.</span></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Die Röhren waren glücklicherweise intakt, insbesondere die mittlerweile seltene und daher teure EM4, das magische Auge, mit dessen Hilfe man die Aufnahmen aussteuert.</span></div>
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<span style="color: red; font-family: "courier new" , "courier" , monospace;">The tubes fortunately were ok, especially the meanwhile rare and expensive EM4, the magic eye, which helps to control the recordings.</span></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Ansonsten mussten Kondensatoren erneuert, abgerissene und angefressene Kabel geflickt und Rost entfernt werden - das Übliche halt.</span></div>
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<span style="color: red; font-family: "courier new" , "courier" , monospace;">Apart from that I had to renew capacitors, mend torn and animal-bitten cables and remove rust und dirt - the usual procedure. </span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj0yTRLIwUj8t8Uf3h1dPRdQZ3liEG-Gv1B0_NT5HJyN165av_hwEsixG9zJyPSO3jUaJhzyBamAGlD358EIcXb2IwSOkNqryrjaYC2VLt8RH5Zw2Sujivr1U6gA85NkdQRcD4LtxS3jxPc/s1600/P1060904.JPG" imageanchor="1" style="clear: left; margin-bottom: 1em; margin-right: 1em;"><span style="font-family: "courier new" , "courier" , monospace;"><img border="0" height="300" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj0yTRLIwUj8t8Uf3h1dPRdQZ3liEG-Gv1B0_NT5HJyN165av_hwEsixG9zJyPSO3jUaJhzyBamAGlD358EIcXb2IwSOkNqryrjaYC2VLt8RH5Zw2Sujivr1U6gA85NkdQRcD4LtxS3jxPc/s400/P1060904.JPG" width="400" /></span></a></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj4Ut3yhJXbEEF7-SZoFFbTBeY3o4BsNOo1qqSlaBshNcTtzt3jynMOf57Bx3stTwz5Pvh_ATD00QxbA64Y6xWSP7kVWM_efVMl55sCj4nbkdB2URzcB4UAKyoMDqvY9wXvymhU23bRIPEI/s1600/P1060905.JPG" imageanchor="1" style="clear: left; margin-bottom: 1em; margin-right: 1em;"><span style="font-family: "courier new" , "courier" , monospace;"><img border="0" height="300" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj4Ut3yhJXbEEF7-SZoFFbTBeY3o4BsNOo1qqSlaBshNcTtzt3jynMOf57Bx3stTwz5Pvh_ATD00QxbA64Y6xWSP7kVWM_efVMl55sCj4nbkdB2URzcB4UAKyoMDqvY9wXvymhU23bRIPEI/s400/P1060905.JPG" width="400" /></span></a></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Nur testen konnte ich die Elektronik nur rudimentär, da der Tonkopf dabei eine zentrale Rolle spielt.</span></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Also musste ich mich jetzt endlich an diese heikle Aufgabe machen.</span></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Ich musste die Nieten entfernen um ihn zu öffnen.</span></div>
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<span style="color: red; font-family: "courier new" , "courier" , monospace;">However I could test the electronics only rudimentary, since the recording head plays a central role in the electronics.</span></div>
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<span style="color: red; font-family: "courier new" , "courier" , monospace;">So now I had to finally attack this delicate work.</span></div>
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<span style="color: red; font-family: "courier new" , "courier" , monospace;">I had to remove the rivets to open it.</span></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Die Spulen auf dem Eisenkern im Inneren waren leider mit Kunstharz vergossen, der auf dem Bild schon teilweise entfernt ist.</span></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Ich hatte die schwache Hoffnung, dass der dünne Draht der Aufnahme-/Wiedergabespule vielleicht nur am äusseren Ende abgerissen sein könnte, und habe daher eine Weile an dem Kunstharz herumgekratzt und das Ende gesucht. </span></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Es war aber hoffnungslos.</span></div>
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<span style="color: red; font-family: "courier new" , "courier" , monospace;">The coils on the iron core unfortunately were molded in resin, which is already partly removed on the foto. <br />I had the week hope that the thin wire of the record/playback-coil might only be torn at its outer end. Therefore I scratched a while in the resin searching for the loose end.</span></div>
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<span style="color: red; font-family: "courier new" , "courier" , monospace;">But it was hopeless.</span></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Also gab es nur eine Möglichkeit, den Tonkopf zu retten: </span></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Die Spulen mussten so vorsichtig zerstückelt werden, dass man die Drahtstärke und die Zahl der Windungen ermitteln konnte, denn diese Produktionsdetails sind heute nicht mehr verfügbar.</span></div>
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<span style="color: red; font-family: "courier new" , "courier" , monospace;">So there was only one possibility to save the recording head: I had to fragment them carefully so that I could retain the diameter of the wire and the number of turns, because these production details were no longer available.</span></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Das gelang einigermassen. Insbesondere wurde damit klar, dass ich auf den winzigen Spulenkörper der Aufnahme-/Wiedergabespule ca 2000 Windungen Kupferlackdraht mit einem Durchmesser von 0,1mm würde aufbringen müssen.</span></div>
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<span style="color: red; font-family: "courier new" , "courier" , monospace;">This worked fairly well. In particular it became clear that I would have to wind 2000 turns of 0,1mm enameled copper wire onto this tiny coil body.</span></div>
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<span style="font-family: "courier new" , "courier" , monospace;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgxcAiH2XqOAE5YBWbhITG-sxloxOVO5UcaC6SoNgA0g86bmLHH7-9-X7oK_G0keofex7LzFNKiZjtKZhb6OW8t6tymqAzh19ba49u9zGlxztN1HPKA1KwOQMfIh-yX0VJ_X3uxv8-cMoHs/s1600/1601272039080001-1.jpg" imageanchor="1"><img border="0" height="263" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgxcAiH2XqOAE5YBWbhITG-sxloxOVO5UcaC6SoNgA0g86bmLHH7-9-X7oK_G0keofex7LzFNKiZjtKZhb6OW8t6tymqAzh19ba49u9zGlxztN1HPKA1KwOQMfIh-yX0VJ_X3uxv8-cMoHs/s400/1601272039080001-1.jpg" width="400" /></a></span></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Ausserdem wollte ich die Spulenkörper erhalten, denn die sind so klein, dass ich sie nicht selbst herstellen konnte. Die Löcher darin sind rechteckig und haben die Masse 0,8mm x 3,5mm. Das sind natürlich immer noch riesige Dimensionen verglichen mit der Grösse des Tonkopfes moderner Kassettenrecorder, aber wie dem auch sei, ich hatte keine Idee, wie ich sie hätte herstellen können.</span></div>
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<span style="color: red; font-family: "courier new" , "courier" , monospace;">Furthermore I wanted to preserve the coil bodies because they were so small that I would not be able to remake them in my shop.</span></div>
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<span style="color: red; font-family: "courier new" , "courier" , monospace;">The holes in them were square and had the dimensions 0,8mm x 3,5mm. Of course this is still huge compared to recording heads of modern cassette recorders, but anyhow, I did'nt have an idea how to make them. </span></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Schliesslich hatte ich die Spulen freigelegt und konnte sie vom Eisenkern abziehen.</span></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Sie waren aber jetzt ziemlich ramponiert.</span></div>
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<span style="color: red; font-family: "courier new" , "courier" , monospace;">Finally I excavated the coils and could pull them off the iron core.</span></div>
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<span style="color: red; font-family: "courier new" , "courier" , monospace;">But now they were fairly battered.</span></div>
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<span style="font-family: "courier new" , "courier" , monospace;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg9efWBrPHVahhyvxUM1FziClNCabY8tAWsISS15bvVJ7CmF68P8_X3ULZNhA1KF-_FjLpQxDXLu5rgwZhvulAiQ7KaczdCYZ98nlNefuAsDdaYIQL8oShVoqQj9Dt1EGU4fa6XCcBu2alt/s1600/P1080996.JPG" imageanchor="1"><img border="0" height="300" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg9efWBrPHVahhyvxUM1FziClNCabY8tAWsISS15bvVJ7CmF68P8_X3ULZNhA1KF-_FjLpQxDXLu5rgwZhvulAiQ7KaczdCYZ98nlNefuAsDdaYIQL8oShVoqQj9Dt1EGU4fa6XCcBu2alt/s400/P1080996.JPG" width="400" /></a></span></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Zumindest den grossen Spulenkörper musste ich wieder instandsetzen.</span></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Mit 0,8mm dünnem Pertinax und Epoxidkleber gelang das erstaunlich gut.</span></div>
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<span style="color: red; font-family: "courier new" , "courier" , monospace;">At least the larger coil body hat to be restored. Using 0,8mm Pertinax and epoxy resin this worked astonishingly well.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgDE4ey1Q300Ig_-cLc_ZmMeRnMRaOI5AF3KKRQMFzkpNIyqgW-XCLK0JRKCpCptiEXD0yw5GtZe2q6AURKZbKCC3He6_ciwTCaBj-rn1P1RqyCfKtioV6eTtumcC9MgRwa_MgE9HJnqz4z/s1600/P1110771.JPG" imageanchor="1"><span style="font-family: "courier new" , "courier" , monospace;"><img border="0" height="300" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgDE4ey1Q300Ig_-cLc_ZmMeRnMRaOI5AF3KKRQMFzkpNIyqgW-XCLK0JRKCpCptiEXD0yw5GtZe2q6AURKZbKCC3He6_ciwTCaBj-rn1P1RqyCfKtioV6eTtumcC9MgRwa_MgE9HJnqz4z/s400/P1110771.JPG" width="400" /></span></a></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Nun musste ich noch eine Halterung für diesen Spulenkörper bauen, damit ich ihn zum Wickeln der 2000 Windungen auf der Drehbank spannen konnte:</span></div>
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<span style="color: red; font-family: "courier new" , "courier" , monospace;">Now I had to build a mount for this body, so that I could clamp it on the lathe for winding the 2000 turns.</span></div>
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<span style="font-family: "courier new" , "courier" , monospace;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjd22Jo5SHbL0DhdWDy0trvSS838QhgDyJp1O9W9jaDlItsVzate-mynlF3qYXfkeJqKwnPfnMF0rXwROuL1Zr_CLsXbDEvK5QxHWYc_2QYk4QPSXEos2nVrocUpuljkS5KLdbVKhlAtrXa/s1600/P1110778.JPG" imageanchor="1"><img border="0" height="300" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjd22Jo5SHbL0DhdWDy0trvSS838QhgDyJp1O9W9jaDlItsVzate-mynlF3qYXfkeJqKwnPfnMF0rXwROuL1Zr_CLsXbDEvK5QxHWYc_2QYk4QPSXEos2nVrocUpuljkS5KLdbVKhlAtrXa/s400/P1110778.JPG" width="400" /></a></span></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Aber dann ging alles ganz schnell und leicht.</span></div>
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<span style="color: red; font-family: "courier new" , "courier" , monospace;">But then everything went fast and easy.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiodOuTi9gmK204PkgwY6uL9am6FFoqxf4R95Zoav0ohJfEKxHsb_Pzo0Zg5y3_w1extnyQ-xUUexmLS-aZ5Ytjdx3fU2Mrrtdb-zSA7IH6ZKnBn5OU5tpDQGRo9oyLiJiFvTPxzhM9Su2T/s1600/P1110780.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em; text-align: center;"><span style="font-family: "courier new" , "courier" , monospace;"><img border="0" height="300" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiodOuTi9gmK204PkgwY6uL9am6FFoqxf4R95Zoav0ohJfEKxHsb_Pzo0Zg5y3_w1extnyQ-xUUexmLS-aZ5Ytjdx3fU2Mrrtdb-zSA7IH6ZKnBn5OU5tpDQGRo9oyLiJiFvTPxzhM9Su2T/s400/P1110780.JPG" width="400" /></span></a></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Die Spulen wurden gewickelt, montiert und verdrahtet:</span></div>
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<span style="color: red; font-family: "courier new" , "courier" , monospace;">The coils were wound, mounted and wired:</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjlGES-B5NcBJ_39DgVxOSXM-mdpVsjzWwxz9K8SwAtseyoeYXWcwdJ2kwrM5mLmFqyHOg7dPgdtG3IYWY_eMCZpMLpi9vxWajy85pu6Y3EXVqL2L3azyqoRQWN9mckY5rs_wAxwjysOVBp/s1600/P1110781.JPG" imageanchor="1"><span style="font-family: "courier new" , "courier" , monospace;"><img border="0" height="300" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjlGES-B5NcBJ_39DgVxOSXM-mdpVsjzWwxz9K8SwAtseyoeYXWcwdJ2kwrM5mLmFqyHOg7dPgdtG3IYWY_eMCZpMLpi9vxWajy85pu6Y3EXVqL2L3azyqoRQWN9mckY5rs_wAxwjysOVBp/s400/P1110781.JPG" width="400" /></span></a></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Vorsichtshalber habe ich den Tonkopf mit Schrauben verschlossen und NICHT vergossen.</span></div>
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<span style="color: red; font-family: "courier new" , "courier" , monospace;">As a precaution I locked the head with screws instead of rivets and I did NOT seal it.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj0yTRLIwUj8t8Uf3h1dPRdQZ3liEG-Gv1B0_NT5HJyN165av_hwEsixG9zJyPSO3jUaJhzyBamAGlD358EIcXb2IwSOkNqryrjaYC2VLt8RH5Zw2Sujivr1U6gA85NkdQRcD4LtxS3jxPc/s1600/P1060904.JPG" imageanchor="1" style="clear: left; float: left; margin-bottom: 1em; margin-right: 1em; text-align: center;"><span style="font-family: "courier new" , "courier" , monospace;"><br /></span></a><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj0yTRLIwUj8t8Uf3h1dPRdQZ3liEG-Gv1B0_NT5HJyN165av_hwEsixG9zJyPSO3jUaJhzyBamAGlD358EIcXb2IwSOkNqryrjaYC2VLt8RH5Zw2Sujivr1U6gA85NkdQRcD4LtxS3jxPc/s1600/P1060904.JPG" imageanchor="1" style="clear: left; float: left; margin-bottom: 1em; margin-right: 1em; text-align: center;"><span style="font-family: "courier new" , "courier" , monospace;"><br /></span></a><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj0yTRLIwUj8t8Uf3h1dPRdQZ3liEG-Gv1B0_NT5HJyN165av_hwEsixG9zJyPSO3jUaJhzyBamAGlD358EIcXb2IwSOkNqryrjaYC2VLt8RH5Zw2Sujivr1U6gA85NkdQRcD4LtxS3jxPc/s1600/P1060904.JPG" imageanchor="1" style="clear: left; 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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhnqgo5fIVPjgybNGw3fbnZVLG8eEM_gttv_aqFxXI4hJ7NYNE1oaQ3iX6V5GBrChTkRkJwrO1LiIIU7ryJa_1X4QFq9_P5A1R_2TKCN9ODHHIcDw4dV8uphTxfNfoySD38THtnIfpMsFBb/s1600/P1110789.JPG" imageanchor="1"></a><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhnqgo5fIVPjgybNGw3fbnZVLG8eEM_gttv_aqFxXI4hJ7NYNE1oaQ3iX6V5GBrChTkRkJwrO1LiIIU7ryJa_1X4QFq9_P5A1R_2TKCN9ODHHIcDw4dV8uphTxfNfoySD38THtnIfpMsFBb/s1600/P1110789.JPG" imageanchor="1"><span style="font-family: "courier new" , "courier" , monospace;"><img border="0" height="300" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhnqgo5fIVPjgybNGw3fbnZVLG8eEM_gttv_aqFxXI4hJ7NYNE1oaQ3iX6V5GBrChTkRkJwrO1LiIIU7ryJa_1X4QFq9_P5A1R_2TKCN9ODHHIcDw4dV8uphTxfNfoySD38THtnIfpMsFBb/s400/P1110789.JPG" width="400" /></span></a></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Damit konnte ich den Drahtrecorder testen und in Betrieb nehmen, aber das wird Gegenstand des nächsten Post sein.</span></div>
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<span style="color: red; font-family: "courier new" , "courier" , monospace;">So now I could test the wire recorder and put it in operation. <br />You find a video of this test on</span><br />
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<span style="color: red; font-family: "courier new" , "courier" , monospace;"><a href="https://youtu.be/MJ_sobmQcao" style="background-attachment: initial; background-clip: initial; background-color: white; background-image: initial; background-origin: initial; background-position: initial; background-repeat: initial; background-size: initial; border-image-outset: initial; border-image-repeat: initial; border-image-slice: initial; border-image-source: initial; border-image-width: initial; border: 0px; color: #167ac6; cursor: pointer; line-height: 14.3px; margin: 0px; padding: 0px; text-align: start; text-decoration: none;" target="_blank">https://youtu.be/MJ_sobmQcao</a></span><br />
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A-baerhttp://www.blogger.com/profile/02377391887987144084noreply@blogger.com3tag:blogger.com,1999:blog-3845783275428802369.post-75144191327184873262016-02-10T04:17:00.001-08:002016-02-10T04:17:13.072-08:00Grigsby-Grunow Majestic G-5 Dynamic Speaker - The Finish<div style="text-align: center;">
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<span style="font-family: Courier New, Courier, monospace;">Mittlerweile habe ich vom Schrottplatz eine Rolle Kuperlackdraht mit 0,15mm Durchmesser bekommen (Ja, tatsächlich! So etwas wird bei uns entsorgt, wenn eine Firma dichtmacht.).</span></div>
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<span style="font-family: Courier New, Courier, monospace;">Ausserdem habe ich meine "Grundausrüstung" zum Spulenwickeln vervollständigt (siehe auch unter "Tipps&Tricks - what do you need to wind coils"). <br />Deshalb konnte ich diesen uralten Lautsprecher jetzt wieder fit machen. Hier die Feldspule beim Wickeln auf der Wickelmaschine.</span></div>
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<span style="color: red; font-family: 'Courier New', Courier, monospace;">Meanwhile I got a coil of enameld copper wire from the scrapyard (Yes, ist true! Such things are thrown away when a company is shut down). <br />Furthermore I completed my "basic equipment" for winding coils (see also under "tipps&tricks - what do you need to wind coils").<br />Therefore I could now make this old speaker fit again. Here is the field coil during the winding process on the winding machine.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiNzXIQRVRDbf9SDrKiHrBxLPMs2pFLb65MoIiLQnTotinHk6mwYuT-rky04bWHAeUtl7rPD-RkRlplk7tC8FIB6mYr8y3vJjuumAUz8skJbK4GdfPmkAywJNPUWui_GxhFx2CB8b3NwCVx/s1600/P1110795.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="400" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiNzXIQRVRDbf9SDrKiHrBxLPMs2pFLb65MoIiLQnTotinHk6mwYuT-rky04bWHAeUtl7rPD-RkRlplk7tC8FIB6mYr8y3vJjuumAUz8skJbK4GdfPmkAywJNPUWui_GxhFx2CB8b3NwCVx/s400/P1110795.JPG" width="300" /></a></div>
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<span style="font-family: Courier New, Courier, monospace;">Hier die fertige Feldspule mit 37700 Windungen. Insgesamt ca 8,6km Kupferdraht. Das Wickeln macht aber Spass und war kein Problem mehr.</span></div>
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<span style="color: red; font-family: 'Courier New', Courier, monospace;">Here is the completed field coil with 37700 windings. Altogether 8,6km copper wire. Winding it however was fun and not a big thing anymore.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjurwgDl3U30Gu8vrVRuyredQF4CQwO9azPimWiwGw0xmaeGiSZo535ZaRQXIlf42gwM7P7lpN0F0DAEnc8-cyrudb3Ugo8-KI6FmE1o6x-HmYJZUyVkY_wXa8hePhSt-ujMKxtFLyFv7f8/s1600/P1110800.JPG" imageanchor="1" style="clear: left; float: left; margin-bottom: 1em; margin-right: 1em;"><br /></a><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjurwgDl3U30Gu8vrVRuyredQF4CQwO9azPimWiwGw0xmaeGiSZo535ZaRQXIlf42gwM7P7lpN0F0DAEnc8-cyrudb3Ugo8-KI6FmE1o6x-HmYJZUyVkY_wXa8hePhSt-ujMKxtFLyFv7f8/s1600/P1110800.JPG" imageanchor="1" style="clear: left; float: left; margin-bottom: 1em; margin-right: 1em;"><br /></a><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjurwgDl3U30Gu8vrVRuyredQF4CQwO9azPimWiwGw0xmaeGiSZo535ZaRQXIlf42gwM7P7lpN0F0DAEnc8-cyrudb3Ugo8-KI6FmE1o6x-HmYJZUyVkY_wXa8hePhSt-ujMKxtFLyFv7f8/s1600/P1110800.JPG" imageanchor="1" style="clear: left; float: left; margin-bottom: 1em; margin-right: 1em;"><br /></a><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjurwgDl3U30Gu8vrVRuyredQF4CQwO9azPimWiwGw0xmaeGiSZo535ZaRQXIlf42gwM7P7lpN0F0DAEnc8-cyrudb3Ugo8-KI6FmE1o6x-HmYJZUyVkY_wXa8hePhSt-ujMKxtFLyFv7f8/s1600/P1110800.JPG" imageanchor="1" style="clear: left; float: left; margin-bottom: 1em; margin-right: 1em;"></a><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjeGsDYGiAQ-bGJ-fee24Y2qD1_4n_O8uvQUPqIGZNPj11rzeb8jSkWk6b8IzQ8NAaumpxqXArVn1s1YUF3UC2RMFPYW8XBVbEyPtcylVluP1rXhZs-kGgjvVHY5tmqlXWe7-tJdIgwhoJ3/s1600/P1110797.JPG" imageanchor="1"><img border="0" height="300" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjeGsDYGiAQ-bGJ-fee24Y2qD1_4n_O8uvQUPqIGZNPj11rzeb8jSkWk6b8IzQ8NAaumpxqXArVn1s1YUF3UC2RMFPYW8XBVbEyPtcylVluP1rXhZs-kGgjvVHY5tmqlXWe7-tJdIgwhoJ3/s400/P1110797.JPG" width="400" /></a></div>
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<span style="font-family: Courier New, Courier, monospace;">Alles Zusammengebaut und getestet - funktioniert!<br />Ein leiser Ton war auch schon hörbar, ohne dass Strom durch die Feldwicklung floss. Das liegt daran, dass auch Weicheisen eine (schmale) Hysteresekurve besitzt und daher jede Magnetisierung ein remanentes Magnetfeld hinterlässt.</span></div>
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<span style="font-family: Courier New, Courier, monospace;">Mit 200V Gleichspannung an der Feldspule war der Sound dann aber recht kräftig und gut.</span></div>
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<span style="color: red; font-family: 'Courier New', Courier, monospace;">Everything assembled and tested - works!</span></div>
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<span style="color: red; font-family: 'Courier New', Courier, monospace;">A feable sound could be heard already without current flowing through the field winding. This is because even soft iron has a (narrow) hysteresis curve so that every magnetization leaves a remanent magnetic field.<br />With 200V DC across the field winding however thesound was strong and good.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjurwgDl3U30Gu8vrVRuyredQF4CQwO9azPimWiwGw0xmaeGiSZo535ZaRQXIlf42gwM7P7lpN0F0DAEnc8-cyrudb3Ugo8-KI6FmE1o6x-HmYJZUyVkY_wXa8hePhSt-ujMKxtFLyFv7f8/s1600/P1110800.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="400" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjurwgDl3U30Gu8vrVRuyredQF4CQwO9azPimWiwGw0xmaeGiSZo535ZaRQXIlf42gwM7P7lpN0F0DAEnc8-cyrudb3Ugo8-KI6FmE1o6x-HmYJZUyVkY_wXa8hePhSt-ujMKxtFLyFv7f8/s400/P1110800.JPG" width="300" /></a></div>
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<span style="font-family: Courier New, Courier, monospace;">Ende dieses Posts.</span></div>
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<span style="color: red; font-family: Courier New, Courier, monospace;">End of this post.</span></div>
A-baerhttp://www.blogger.com/profile/02377391887987144084noreply@blogger.com0tag:blogger.com,1999:blog-3845783275428802369.post-41537308709030635932016-02-04T15:37:00.000-08:002016-02-04T15:40:46.689-08:00Paillard Record Changer<div class="separator" style="clear: both; text-align: center;">
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<strong><span style="font-family: "courier new" , "courier" , monospace;">Paillard - eine erstaunliche Firmengeschichte.</span></strong></div>
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<span style="font-family: "courier new";">Es begann mit einem völlig verdreckten Teil,</span> </div>
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<span style="font-family: "courier new";">von dem ich nicht wusste, was es war. </span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgl9CL7nMY8g65Aszm4wcGTDbbJZ2nFDzLa9o3Mun9XXavgXNJ1jAydAahYKf107aE-qSw5FbUIv43xyqcss9BEXUass09g9D3inHOG70CD9R6M0-ioPhgVOz_LnzOEVODhHwDJpWIKdtlI/s1600/P1090246.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="300" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgl9CL7nMY8g65Aszm4wcGTDbbJZ2nFDzLa9o3Mun9XXavgXNJ1jAydAahYKf107aE-qSw5FbUIv43xyqcss9BEXUass09g9D3inHOG70CD9R6M0-ioPhgVOz_LnzOEVODhHwDJpWIKdtlI/s400/P1090246.JPG" width="400" /></a></div>
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<span style="font-family: "courier new";">Ich habe es mitgenommen wegen des interessanten Kardangelenks im Bild unten rechts:</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhPBqvikYphagMniX6lwuG9HUmNEhWdqq5jggOQd_LfXF7z3XVxY4vl-Hrp_DNI0vsMt5ahN9IzcwJV1m_6tV3ircOJaIj2HwTBb6s_JcGS9SS7GwRoHDutpSzA5zyxEU4pkdq0YP7O-oK9/s1600/P1090334.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="300" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhPBqvikYphagMniX6lwuG9HUmNEhWdqq5jggOQd_LfXF7z3XVxY4vl-Hrp_DNI0vsMt5ahN9IzcwJV1m_6tV3ircOJaIj2HwTBb6s_JcGS9SS7GwRoHDutpSzA5zyxEU4pkdq0YP7O-oK9/s400/P1090334.JPG" width="400" /></a></div>
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<span style="font-family: "courier new";">Die Firma Paillard, die auf dem Typenschild stand, war mir zwar nicht bekannt, aber ich assoziierte sie irgendwie mit der Uhrenindustrie - nicht ganz falsch wie sich später herausstellte.</span></div>
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<span style="font-family: "courier new";">Ich dachte daher, es könnte sich um einen nachrüstbaren elektrischen Aufzug für mechanische Uhren handeln. </span></div>
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<span style="font-family: "courier new";">Stattdessen stiess ich im Internet auf die Firma Bolex-Paillard, und den folgenden Aufzugsmotor für mechanische Filmkameras, aus dem just das Ende "meines" Kardangelenkes herausschaute.</span></div>
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<span style="font-family: "courier new";"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhahu2XbkgtB_4DHtQV_4L95DoxXCUA3eMi7wuzPi8Kemu6jmnlQB6y_lGO1zXWBoicL9GpNoUEGN7w6xy5JOsBPu1BUFMgSqlNZBb5_ieIxBSrMr3lKpd7RrAypbESDMO7uDZH2IpJywtb/s1600/$(KGrHqJ%2C!lIFJn9neF))BSc%2B)oybcw~~60_57.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="266" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhahu2XbkgtB_4DHtQV_4L95DoxXCUA3eMi7wuzPi8Kemu6jmnlQB6y_lGO1zXWBoicL9GpNoUEGN7w6xy5JOsBPu1BUFMgSqlNZBb5_ieIxBSrMr3lKpd7RrAypbESDMO7uDZH2IpJywtb/s400/$(KGrHqJ%2C!lIFJn9neF))BSc%2B)oybcw~~60_57.jpg" width="400" /></a></span></div>
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<span style="font-family: "courier new";">Mit diesem Motor wurden um 1960 hochwertige Filmkameras von Bolex-Paillard nachgerüstet, die noch mit einem Federmotor angetrieben wurden. Um den Elektromotor an den Federaufzug ankoppeln zu können, ohne die Kamera umkonstruieren zu müssen, brauchte man eben das Kardangelenk, das einen Versatz der Wellen von Motor und Federaufzug ausgleichen konnte.</span></div>
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<span style="font-family: "courier new";">Eine 16mm Bolex wie die im folgenden Bild Gezeigte war lange Zeit der Standard für hochwertige mobile Filmaufnahmen.</span></div>
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<span style="font-family: "courier new";"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjOYuwP9ziGTgyk2C23-Jp6QupC-_w2vOs8NDTHwQ-9faxerO9yXIkkpFKx-PJ2fmCGfVtod3dqmvITx8j-oMaNSuPVkdmKOkyYk8sSdOHQmEnuYba1IWHaLkLOfg7_mIIXVBt_RoyG5ard/s1600/e-mot-an-h16.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="300" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjOYuwP9ziGTgyk2C23-Jp6QupC-_w2vOs8NDTHwQ-9faxerO9yXIkkpFKx-PJ2fmCGfVtod3dqmvITx8j-oMaNSuPVkdmKOkyYk8sSdOHQmEnuYba1IWHaLkLOfg7_mIIXVBt_RoyG5ard/s400/e-mot-an-h16.jpg" width="400" /></a></span></div>
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<span style="font-family: "courier new" , "courier" , monospace;">In der ersten Hälfte des 20sten Jahrhunderts fand auf etlichen Gebieten der Übergang von mechanisch angetriebenen Geräten zu solchen mit autonomem elektrischem Antrieb statt. </span></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Uhren, Fotoapparate, Filmkameras, Kinderspielzeuge und Grammophone z.B. wurden bis dahin von Federmotoren angetrieben. Die Feder musste per Hand aufgezogen werden und war als Energiespeicher sehr begrenzt. Jeder kennt aus alten Filmen das Grammophon, das plötzlich anfängt zu jaulen, bis jemand mit der Kurbel an der Seite die Feder wieder aufzieht.</span></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Als mit der zunehmenden Elektrifizierung kleine Elektromotoren auf den Markt kamen </span><span style="font-family: "courier new";">wurden bewährte Konstruktion mitunter erst einmal beibehalten und nur durch einen Elektromotor ergänzt, der die vorhandene Feder automatisch aufzog. Auf diese Weise konnte dann immerhin kontinuierlicher Betrieb gewährleistet werden. Die von mir an anderer Stelle beschriebene Ghielmetti Zeitschaltuhr aus den 1940er Jahren ist auch so aufgebaut: Das Uhrwerk mit Federspeicher ist rein mechanisch und nur die Feder wird automatisch immer wieder elektrisch aufgezogen.</span></div>
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<span style="font-family: "courier new";">Dieser Kameramotor war zwar ein Ansatzpunkt, sah aber ganz anders aus wie mein Fundstück. </span><span style="font-family: "courier new" , "courier" , monospace;">Bei meiner weiteren Recherche fand ich dann aber folgendes Bild, auf dem exakt "mein" Motor abgebildet war: Es handelte sich um einen frühen Schellackplattenwechsler der Firma Paillard. Die Welle mit dem Kardangelenk trieb die Wechselmechanik an.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhyajSh2fmzBOpfzQMt0M_QDD7otkZnszpKNsoY2Fu4RlY2uP8Wpk4HadTuewSqgrjD8LJ72mWU7-QU-yiqQmRNy_EHmGtpIF3wkfOQTMZHcrj3B1Mwj3_wa7hCl1HhUV2Gu2xqssifPikC/s1600/Paillard78tChassis1.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="311" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhyajSh2fmzBOpfzQMt0M_QDD7otkZnszpKNsoY2Fu4RlY2uP8Wpk4HadTuewSqgrjD8LJ72mWU7-QU-yiqQmRNy_EHmGtpIF3wkfOQTMZHcrj3B1Mwj3_wa7hCl1HhUV2Gu2xqssifPikC/s400/Paillard78tChassis1.jpg" width="400" /></a></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Daraufhin fand ich dieses Chassis auch im Radiomuseum.org.</span></div>
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<span style="font-family: "courier new";">Datiert wird es dort auf das Jahr 1944.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgh0SxrS0TDX5rcTUYL9mGohPc29m97RSc8xXv-TS2Yvu4QeUkV5_A63Le6nBeNBPvThnT37CVwIhVL0Jpd_YUKQf1z31pXecRFS2LTq8LJlvksEc10TagLSbihGy4qKqKHXBcoMX8zCcL3/s1600/21-03-2015+01-01-32-1.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="253" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgh0SxrS0TDX5rcTUYL9mGohPc29m97RSc8xXv-TS2Yvu4QeUkV5_A63Le6nBeNBPvThnT37CVwIhVL0Jpd_YUKQf1z31pXecRFS2LTq8LJlvksEc10TagLSbihGy4qKqKHXBcoMX8zCcL3/s400/21-03-2015+01-01-32-1.jpg" width="400" /></a></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Kurze Zeit später fand ich zufällig ein sehr ähnliches Paillard-Gerät in ebay und habe es ersteigert. Der Antrieb bewegt sich zwar nicht mehr, aber vielleicht kann ich mein Fundstück hier als Ersatzteil verwenden.</span></div>
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<span style="font-family: "courier new";">Ich werde darüber berichten.</span></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Die Geschichte der Firma Paillard ist lang, wechselvoll und interessant.</span></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Im Jahr 1814 fanden sich mehrere Schweizer Uhrenhersteller unter der Leitung von M.Paillard in Ste Croix (nahe Yverdon) zu einer Exportorganisation zusammen. </span></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Bald kamen am Standort aber auch Produktionsstätten dazu und die später als Paillard S.A. firmierende Firma entwickelte sich zu einer feinmechanischen High-Tech-Schmiede. </span></div>
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<span style="font-family: "courier new";">Man produzierte im Laufe der Zeit Rechenmaschinen, Metronome, Spieldosen, Grammophone, damals sogenannte "Sprechmaschinen" (speaking machines) mit Wachswalzen (siehe auch: Edison), Schreibmaschinen der Marke Hermes, Filmkameras und Filmprojektoren der Marke Paillard-Bolex und später auch Radios und Plattenspieler.</span></div>
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<span style="font-family: "courier new";">Insbesondere die kleine Reiseschreibmaschine "Hermes Baby" und die Bolex Filmkameras waren sensationell gut und dominierten viele Jahre weltweit den Markt.</span></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Bolex war eine seit 1924 eingetragene Handelsmarke der Genfer Firma Bol der Herren Jacques Bogopolsky und Charles Haccius. In 1930 geriet diese Firma in Konkurs. Sie wurde von Paillard gekauft und zu einer weltbekannten Marke ausgebaut. </span></div>
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<span style="font-family: "courier new";">Die Bolex-Sparte von Paillard wurde 1969/74 an Eumig verkauft.</span><span style="font-family: "courier new";"></span></div>
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<span style="font-family: "courier new";"><span style="font-family: "courier new";">1981 wurde Paillard von Olivetti übernommen.</span><br />
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1982 kam es zu einem Management-Buyout und der Gründung der Bolex International S.A. in Yverdon, die bis heute 16mm Filmkameras produziert und Reparaturen durchführt.</span></div>
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<span style="font-family: "courier new";">1989 wurde die Firma Paillard gelöscht</span></div>
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<br />A-baerhttp://www.blogger.com/profile/02377391887987144084noreply@blogger.com0tag:blogger.com,1999:blog-3845783275428802369.post-806386523664676432016-02-04T15:26:00.000-08:002016-02-04T15:31:24.100-08:00Philips 837A - Restoration of the Cabinet<div class="separator" style="clear: both; text-align: center;">
<span style="font-family: "courier new" , "courier" , monospace;">Jetzt habe ich mir das Gehäuse des 837A vorgenommen.</span></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Sah ja nicht so appetitlich aus.</span></div>
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<span style="color: red; font-family: "courier new" , "courier" , monospace;">Now I went for the cabinet of the 837A. </span></div>
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<span style="color: red; font-family: "courier new" , "courier" , monospace;">It didn't look very nice.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgosqWta0puBzGPRwoAraOxCWgJxktqlJvkF2xRGoJKAlsptbUysqpYL9psjA0KdqlYOYHf8T6njjTvslCbuClpaNjkOpcau5ZBdVwfmikspv_U1cpkaAH2vO5xly28rdPMfoDurjrBNume/s1600/P1080532-1_Bildgr%C3%B6%C3%9Fe+%C3%A4ndern.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="256" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgosqWta0puBzGPRwoAraOxCWgJxktqlJvkF2xRGoJKAlsptbUysqpYL9psjA0KdqlYOYHf8T6njjTvslCbuClpaNjkOpcau5ZBdVwfmikspv_U1cpkaAH2vO5xly28rdPMfoDurjrBNume/s400/P1080532-1_Bildgr%C3%B6%C3%9Fe+%C3%A4ndern.JPG" width="400" /></a></div>
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<span style="font-family: "courier new";">Ist aber sehr schön geworden.</span></div>
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<span style="color: red; font-family: "courier new";">However it became quite nice..</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgLNBCjsWirTHSZW-jjdpk9X16FEcmRlTuagTHN0EU4ylp27-JgEtAT1704jbf7K5J5PgVKlFFMZV2UmlQWnWyQf7acIFwFuDm5ZKJf5aYojf1vQxMU0d0emvt62OnSMSTO3kx7gxBpyW7b/s1600/P1090968+(2)_Bildgr%C3%B6%C3%9Fe%2B%C3%A4ndern.JPg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="262" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgLNBCjsWirTHSZW-jjdpk9X16FEcmRlTuagTHN0EU4ylp27-JgEtAT1704jbf7K5J5PgVKlFFMZV2UmlQWnWyQf7acIFwFuDm5ZKJf5aYojf1vQxMU0d0emvt62OnSMSTO3kx7gxBpyW7b/s400/P1090968+(2)_Bildgr%C3%B6%C3%9Fe%2B%C3%A4ndern.JPg" width="400" /></a></div>
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<span style="font-family: "courier new";">Ich habe den alten Lack mit einer Ziehklinge entfernt. </span></div>
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<span style="font-family: "courier new";">Das geht recht gut und schont die Oberfläche. </span></div>
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<span style="font-family: "courier new";">Anschliessend habe ich das Furnier mit feinem Sandpapier bearbeitet und dann nur geölt. </span><span style="font-family: "courier new";">Versuche mit Lack an einer versteckten Stelle waren gar nicht zufriedenstellend.</span><br />
<span style="color: red; font-family: "courier new";">I removed the old varnish with a draw blade.</span><br />
<span style="color: red; font-family: "courier new";">This works quite well and preserves the surface. Afterwards I sanded the vernier very lightly and oiled it. Tests with varnish were unsatisfactory.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiSsEgTyC5XHmOfaleozGHC8BH8vjl_J1FppPf4Pkf8qQ5YUirCsCYQ8pf8NIVpIgpYtNDFiW9WM0iI3vFCgf24ZkzOFHGuWeueGUZ3RG9NbCZzP3Y6eShkwruurpq5yrn56pOieG2guERE/s1600/P1090896-1_Bildgr%C3%B6%C3%9Fe+%C3%A4ndern.JPg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="400" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiSsEgTyC5XHmOfaleozGHC8BH8vjl_J1FppPf4Pkf8qQ5YUirCsCYQ8pf8NIVpIgpYtNDFiW9WM0iI3vFCgf24ZkzOFHGuWeueGUZ3RG9NbCZzP3Y6eShkwruurpq5yrn56pOieG2guERE/s400/P1090896-1_Bildgr%C3%B6%C3%9Fe+%C3%A4ndern.JPg" width="265" /></a></div>
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<span style="font-family: "courier new";">Der Fuss hat mehr Arbeit gemacht, weil das hintere Teil fehlte und von den anderen Seiten zum Teil Stücke abgebrochen und verloren gegangen waren.</span></div>
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<span style="color: red; font-family: "courier new";">The base was a lot more work because the rear part was missing and there were pieces broken off and lost from the other parts.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg-FBl_VQEsqghH5iK0KRBViIEqK5tf46nN4Ne8WiatT-mmSIMLL9Cv26lbuxJ1Z33gICAffjf99XVk5xDTRQpN8jWbLsT4uuvG_vNGEu1yctQ2PFwCSaIW5WiU9fUSsgyMiSSgTrx0R1eS/s1600/P1080789.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="136" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg-FBl_VQEsqghH5iK0KRBViIEqK5tf46nN4Ne8WiatT-mmSIMLL9Cv26lbuxJ1Z33gICAffjf99XVk5xDTRQpN8jWbLsT4uuvG_vNGEu1yctQ2PFwCSaIW5WiU9fUSsgyMiSSgTrx0R1eS/s400/P1080789.JPG" width="400" /></a></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiMyz4vHCobSpeUO06R7ca7_-R0lK03WzMJ1M_Der03sCpV45R7NDb2q0b79mRPPNsSrTVvobYZ2xE1kFDUABUn_505zZpNKCEzViipPW_2wixxf5CEC9HvngCda7c-1J5hrI8TmM1GdBdI/s1600/P1090897+(2)_Bildgr%C3%B6%C3%9Fe%2B%C3%A4ndern.JPg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="135" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiMyz4vHCobSpeUO06R7ca7_-R0lK03WzMJ1M_Der03sCpV45R7NDb2q0b79mRPPNsSrTVvobYZ2xE1kFDUABUn_505zZpNKCEzViipPW_2wixxf5CEC9HvngCda7c-1J5hrI8TmM1GdBdI/s400/P1090897+(2)_Bildgr%C3%B6%C3%9Fe%2B%C3%A4ndern.JPg" width="400" /></a></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Die fehlenden Teile wurde ergänzt und mit den Vorhandenen verleimt. Das neue Holz wurde leicht gebeizt, damit das nicht so offensichtlich neu ist. Dann wurden noch die von vorn sichtbaren Teile schwarz lackiert und Filzfüsse hergestellt und eingeklebt.</span></div>
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<span style="color: red; font-family: "courier new";">The missing pieces were completed and glued to the base. The wood of the new parts has beed bated slightly so that it does not look obviously new. Then the visible parts were varnished and felt foots were made and glued into the recess</span><span style="color: red; font-family: "courier new";">.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjUdTlx2SA_iO2ZjgbplupUwE6778K9BzIeDjR2BYpoOqiW8WJKGL3lytNxDsOSlZzqcLVv_2aOZm-dmKak1LZRA9sCNYRaAw0OShqb4jE1fr7VlYuBQ4TjzsDg2CrsEUyUeTiwsyZscPse/s1600/P1090977_Bildgr%C3%B6%C3%9Fe+%C3%A4ndern.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="300" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjUdTlx2SA_iO2ZjgbplupUwE6778K9BzIeDjR2BYpoOqiW8WJKGL3lytNxDsOSlZzqcLVv_2aOZm-dmKak1LZRA9sCNYRaAw0OShqb4jE1fr7VlYuBQ4TjzsDg2CrsEUyUeTiwsyZscPse/s400/P1090977_Bildgr%C3%B6%C3%9Fe+%C3%A4ndern.JPG" width="400" /></a></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Die Beschläge, die die (fehlende) Rückwand halten, waren noch vollständig aber zum Teil völlig verbogen. Anhand alter Bilder konnte ich aber ihre ursprüngliche Form rekonstruieren.</span></div>
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<span style="color: red; font-family: "courier new";">The fittings holding the (missing) backplane were complete but heavily deformed. With the help of old pictures however I could restore their original form.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg8OPhHs-6vlCR_i5gNzF4htr-QvajM7FPwLO7dueCICd1MTA1jx9-LOIUPAWGl3MaH47EP8xKhOTOIYMWmEmFhilgFHXANdj9BWS0nya0UTNH7lelOtjDcoiX902S7zJKynT2ncYqoslV9/s1600/P1090982_Bildgr%C3%B6%C3%9Fe+%C3%A4ndern.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="153" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg8OPhHs-6vlCR_i5gNzF4htr-QvajM7FPwLO7dueCICd1MTA1jx9-LOIUPAWGl3MaH47EP8xKhOTOIYMWmEmFhilgFHXANdj9BWS0nya0UTNH7lelOtjDcoiX902S7zJKynT2ncYqoslV9/s400/P1090982_Bildgr%C3%B6%C3%9Fe+%C3%A4ndern.JPG" width="400" /></a></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Jetzt fehlt nur noch das Chassis. Das sieht ja auch traurig aus.</span></div>
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<span style="color: red; font-family: "courier new";">Now only the chassis has to be restored.</span></div>
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<span style="color: red; font-family: "courier new";">It looks quite sad.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj4WRp3XOfaMx5zMlA19selFDJDnXru_6qZ_Bzmox_rrvwIdFkRbs1ae25SvD2FmgVAfOljyLxu-7EMr9JVRXIHxZROZUMdlY6MO-KHez5GGOXZb10JuZQ3qNFcQVxJSLptgX50rYD2RVCy/s1600/P1080797.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="348" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj4WRp3XOfaMx5zMlA19selFDJDnXru_6qZ_Bzmox_rrvwIdFkRbs1ae25SvD2FmgVAfOljyLxu-7EMr9JVRXIHxZROZUMdlY6MO-KHez5GGOXZb10JuZQ3qNFcQVxJSLptgX50rYD2RVCy/s400/P1080797.JPG" width="400" /></a></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Reinigungsversuche an einigen Stellen lassen aber ahnen, dass das wieder sehr schön werden wird.</span></div>
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<span style="color: red; font-family: "courier new";">Cleaning tests in some places however give an idea that it will be very nice again.</span></div>
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<span style="font-family: "courier new";">Besonders interessant und ungewöhnlich: Das aus dünnem Bronzeblech hergestellte "Skalenband" durch das der Abstimmkondensator und der Skalenzeiger mit dem mittleren Einstellknopf synchron bewegt werden. Andere Radios haben hier ein Skalenseil.</span></div>
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<span style="font-family: "courier new";">Auch das wird wieder wie neu werden. </span></div>
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<span style="color: red; font-family: "courier new";">Particularly interesting and unusual: the scale-ribbon which moves the tuning capacitor and the scale-pointer is made of thin bronze sheet. Other radios use a cord for it. <br />This will also be like new afterwards.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg4YZ94IXGt9A-bBRqb3FxAiOHFRkr83xyXpLMvSjE9U4Ln99caI-YhxI1-pm1wJZIu-W_hDRWMqbl7n__qYmJnWWEIuL3hfxPlsfNTTBj3swf_8SLf2McaMvpGis4l1w8o_lq95bjQ_0rs/s1600/P1090937.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="392" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg4YZ94IXGt9A-bBRqb3FxAiOHFRkr83xyXpLMvSjE9U4Ln99caI-YhxI1-pm1wJZIu-W_hDRWMqbl7n__qYmJnWWEIuL3hfxPlsfNTTBj3swf_8SLf2McaMvpGis4l1w8o_lq95bjQ_0rs/s400/P1090937.JPG" width="400" /></a></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Fortsetzung folgt.</span></div>
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<span style="color: red; font-family: "courier new";">To be continued.</span></div>
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<br />A-baerhttp://www.blogger.com/profile/02377391887987144084noreply@blogger.com0tag:blogger.com,1999:blog-3845783275428802369.post-71980047746163015262016-02-04T11:28:00.001-08:002016-02-04T15:36:16.483-08:00Bell Telephone Bi-Cone 2004 Speaker<div class="separator" style="clear: both; text-align: center;">
<span style="font-family: "courier new" , "courier" , monospace;">Wo ich gerade beim Thema Lautsprecher war...</span></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Dieses Teil habe ich vor einem Jahr in der Schweiz ersteigert.</span></div>
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<span style="color: #cc0000; font-family: "courier new";">By the way - loudspeaker...</span></div>
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<span style="color: #cc0000; font-family: "courier new";">I bought this piece in an auction in Switzerland last year.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgsKH8GUQ3c5W0w0AZtP9Y6eTDxQ3l5J22DWnHGHBVAzzeww1Z2p9hntJB3gxRkMCH3x4kqWwVfsq-1Fha7LkRNl8mNsLTcCi917UayKootnYh-iYq1rQWqr7EPpj4HbaQ0micMLp06AhCh/s1600/Bell+Telephone+2004.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><span style="font-family: "courier new" , "courier" , monospace;"><img border="0" height="265" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgsKH8GUQ3c5W0w0AZtP9Y6eTDxQ3l5J22DWnHGHBVAzzeww1Z2p9hntJB3gxRkMCH3x4kqWwVfsq-1Fha7LkRNl8mNsLTcCi917UayKootnYh-iYq1rQWqr7EPpj4HbaQ0micMLp06AhCh/s1600/Bell+Telephone+2004.jpg" width="400" /></span></a></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Für 10 CHF.</span></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Sieht nicht mehr so gut aus, oder?</span></div>
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<span style="color: #cc0000; font-family: "courier new";">For 10 CHF.</span></div>
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<span style="color: #cc0000; font-family: "courier new";">Doesn't look too good any more, doesn't it?</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEikKlE7XEr2Nipv8I_GPIQCNVKiDOueXoDpwUwunwUEE_GyrlmqNtwGIU6CL46syrHGgSJY6oLrLDOrF4TVo0GuZdhXDsWc4792xGvt8M6uSv2GoYCawN9y5bKQC9xVcDBptguDX9lNPluo/s1600/defekter-lautsprecher-aus-den-20er.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><span style="font-family: "courier new" , "courier" , monospace;"><img border="0" height="265" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEikKlE7XEr2Nipv8I_GPIQCNVKiDOueXoDpwUwunwUEE_GyrlmqNtwGIU6CL46syrHGgSJY6oLrLDOrF4TVo0GuZdhXDsWc4792xGvt8M6uSv2GoYCawN9y5bKQC9xVcDBptguDX9lNPluo/s1600/defekter-lautsprecher-aus-den-20er.jpg" width="400" /></span></a></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Aber irgendwie schien mir das interessant.</span></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Als ich es zu Hause auspackte,...</span></div>
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<span style="color: #cc0000; font-family: "courier new";">But somehow I found it interesting.</span></div>
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<span style="color: #cc0000; font-family: "courier new";">When I unpacked it at home...</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgQBeNnEXMJaGYbpPAazyTknRHR46CkQutZpMTCDzEBu2zMyhqF6Wn5dlRfws6238r6Jj4kHniREr4gPyybrJw2nulCpHnCwZZQQk5wwKibttq9ps6s9OoD5JZhPa38Q4PqpEyHC_9gs5vW/s1600/P1060346.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><span style="font-family: "courier new" , "courier" , monospace;"><img border="0" height="300" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgQBeNnEXMJaGYbpPAazyTknRHR46CkQutZpMTCDzEBu2zMyhqF6Wn5dlRfws6238r6Jj4kHniREr4gPyybrJw2nulCpHnCwZZQQk5wwKibttq9ps6s9OoD5JZhPa38Q4PqpEyHC_9gs5vW/s1600/P1060346.JPG" width="400" /></span></a></div>
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<span style="font-family: "courier new" , "courier" , monospace;">...hatte ich nur noch Fragmente in der Hand.</span></div>
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<span style="color: #cc0000; font-family: "courier new";">... I only held fragments in my hands.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiJ4dxm0qQjktblI-g9pelRv0NT74ueLRsRQXjCBvUu6HPqq6z0QMq6bOgNwwgzZfaxREQZk0DBHY0vBpYBBAT-y4W4yOePxPzQmWc3K1s9LZYo-COGR9bdL5dspiZmT8dd2RQHHrpqbfoV/s1600/P1060345.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><span style="font-family: "courier new" , "courier" , monospace;"><img border="0" height="150" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiJ4dxm0qQjktblI-g9pelRv0NT74ueLRsRQXjCBvUu6HPqq6z0QMq6bOgNwwgzZfaxREQZk0DBHY0vBpYBBAT-y4W4yOePxPzQmWc3K1s9LZYo-COGR9bdL5dspiZmT8dd2RQHHrpqbfoV/s1600/P1060345.JPG" width="200" /></span></a></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg1MZ-jB9-qLt9WJ8sJpJE7xzFqqfEiyauGnZuo747lqq9n-usZ8b4JVxQEjbAl_CTnhvYOX3G101qj2HjntQsBXjELWgQUak4DVXpLFpi3AVw5cHV0qN4OF46HDbItT0-ma8fX7foJqV-d/s1600/P1060347.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><span style="font-family: "courier new" , "courier" , monospace;"><img border="0" height="150" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg1MZ-jB9-qLt9WJ8sJpJE7xzFqqfEiyauGnZuo747lqq9n-usZ8b4JVxQEjbAl_CTnhvYOX3G101qj2HjntQsBXjELWgQUak4DVXpLFpi3AVw5cHV0qN4OF46HDbItT0-ma8fX7foJqV-d/s1600/P1060347.JPG" width="200" /></span></a><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg3NiX7DOH3wqVpIFxP3juKV9h0W27yiXGPEgDSw4WkJDEruSyAGXMBIvvpp3aZkwLETlOuv5CnrgYbP790Q01SkAPj4Mkb0b38ni45hEIPBNnHD1VSQR-ro9kdUkQnxE7ud4joarBpYLO3/s1600/P1060348.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><span style="font-family: "courier new" , "courier" , monospace;"><img border="0" height="150" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg3NiX7DOH3wqVpIFxP3juKV9h0W27yiXGPEgDSw4WkJDEruSyAGXMBIvvpp3aZkwLETlOuv5CnrgYbP790Q01SkAPj4Mkb0b38ni45hEIPBNnHD1VSQR-ro9kdUkQnxE7ud4joarBpYLO3/s1600/P1060348.JPG" width="200" /></span></a></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Aber das Chassis sah nicht schlecht aus.</span></div>
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<span style="color: #cc0000; font-family: "courier new";">But the Chassis didn't look bad.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjDQPEM3HILK39fZHLuj1ua60AjvcccQAR0vhBOCfMD_WjF9gcLX7bF2Gc_99UR6_pYAUi4KFjKxvXepTwsEGXGVK9ZbCpUiOAJSrEmRGiAKeRtjqwyyFsZQUb-f-U1cDBIFZTNylDN603u/s1600/P1060339.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><span style="font-family: "courier new" , "courier" , monospace;"><img border="0" height="640" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjDQPEM3HILK39fZHLuj1ua60AjvcccQAR0vhBOCfMD_WjF9gcLX7bF2Gc_99UR6_pYAUi4KFjKxvXepTwsEGXGVK9ZbCpUiOAJSrEmRGiAKeRtjqwyyFsZQUb-f-U1cDBIFZTNylDN603u/s1600/P1060339.JPG" width="393" /></span></a></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Dann begann die immer wieder spannende Suche nach der Herkunft. </span></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Was ist das eigentlich für ein Ding?</span></div>
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<span style="font-family: "courier new" , "courier" , monospace;">An vier Stellen auf dem Chassis waren Schriften zu erkennen:</span></div>
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<span style="color: #cc0000; font-family: "courier new";">Then the ever interesting search for the origin started.</span></div>
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<span style="color: #cc0000; font-family: "courier new";">What kind of thing do I have here?</span></div>
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<span style="color: #cc0000; font-family: "courier new";">There were four places on the chassis showing inscriptions.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjmuxQe_gEGLGvEv5XnBwYuxXTXTlMkvKxCGgP0lu9-4im2946_e0GDcSLR2McIbt4q8TqxXLEiwv878U_Poj9nsRtbozOcj6FGaKfXVF1c08b_l5bOlmysKdQt4j7ovku9ZPkaskclB_Yz/s1600/P1060318.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><span style="font-family: "courier new" , "courier" , monospace;"><img border="0" height="400" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjmuxQe_gEGLGvEv5XnBwYuxXTXTlMkvKxCGgP0lu9-4im2946_e0GDcSLR2McIbt4q8TqxXLEiwv878U_Poj9nsRtbozOcj6FGaKfXVF1c08b_l5bOlmysKdQt4j7ovku9ZPkaskclB_Yz/s1600/P1060318.JPG" width="280" /></span></a></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Die 2004 ist sicher nicht die Jahreszahl - daher erst einmal nichtssagend.</span></div>
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<span style="font-family: "courier new" , "courier" , monospace;">8232 sagte mir auch nichts.</span></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Das dritte konnte ich nicht entziffern.</span></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Auf dem ersten Bild konnte ich mit viel Phantasie entziffern:</span></div>
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<span style="color: #cc0000; font-family: "courier new";">The figure 2004 certainly is not the year - so for the time beeing it meant nothing to me.</span></div>
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<span style="color: #cc0000; font-family: "courier new";">8232 also didn't give a clue.</span></div>
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<span style="color: #cc0000; font-family: "courier new";">The third picture I couldn't decipher. </span></div>
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<span style="color: #cc0000; font-family: "courier new";">On the first picture - with some imagination - I read:</span></div>
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<span style="font-family: "courier new" , "courier" , monospace;">B?ll Telephone</span></div>
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<span style="font-family: "courier new" , "courier" , monospace;">MF? Compa??</span></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Anvers Bel???</span></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Im Radiomuseum.org wurde ich dann fündig: </span></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Es ist das Modell </span></div>
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<span style="color: #cc0000; font-family: "courier new";">On Radiomuseum.org I struck:</span></div>
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<span style="color: #cc0000; font-family: "courier new";">It is the model</span></div>
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<span style="font-family: "courier new" , "courier" , monospace; font-size: large;"><strong>Bi-Cone 2004</strong></span></div>
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<span style="font-family: "courier new" , "courier" , monospace;">von</span></div>
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<span style="color: #cc0000; font-family: "courier new";">of</span></div>
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<span style="font-family: "courier new" , "courier" , monospace; font-size: large;"><strong>Bell Telephone Manufacturing Company</strong></span></div>
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<span style="font-family: "courier new" , "courier" , monospace; font-size: large;"><strong>Antwerpen Belgien</strong></span></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Erstverkauf: 1926</span></div>
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<span style="color: #cc0000; font-family: "courier new";">First year of sales: 1926</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjafzC1bTo-q_L2omp-1Eg3yojdXUttLOJUUIFpA6nG6TDxk-2x214wFRebnwu7QYJXauXED3VlihtF2CTog6toxMoAPYA8edPm44Sx7mxCGhT8ZRD9vvounkR7WYYgUjQzDd3HnMjGgN6V/s1600/RMORg.png" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><span style="font-family: "courier new" , "courier" , monospace;"><img border="0" height="400" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjafzC1bTo-q_L2omp-1Eg3yojdXUttLOJUUIFpA6nG6TDxk-2x214wFRebnwu7QYJXauXED3VlihtF2CTog6toxMoAPYA8edPm44Sx7mxCGhT8ZRD9vvounkR7WYYgUjQzDd3HnMjGgN6V/s1600/RMORg.png" width="311" /></span></a></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Auf einem anderen Exemplar sieht der Schriftzug (Bi-Cone = Doppelkegel) so aus:</span></div>
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<span style="color: #cc0000; font-family: "courier new";">On a picture in Radiomuseum.org I found a clearer inscription of the type Bi-Cone:</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjuYAbNTZB1voVm-RWpvZqnuGIHUmHdNct0bxw6aFD5F68p8jMC84DPtxx2HTJRz88WeAnyfwcXe0ad1rHBWhA4Koa4HR1CbBqmAZU1b3-DPBEp726_jaaj6BE069nwwWLbYIsHpJz7fTAu/s1600/Bild+13.png" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><span style="font-family: "courier new" , "courier" , monospace;"><img border="0" height="90" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjuYAbNTZB1voVm-RWpvZqnuGIHUmHdNct0bxw6aFD5F68p8jMC84DPtxx2HTJRz88WeAnyfwcXe0ad1rHBWhA4Koa4HR1CbBqmAZU1b3-DPBEp726_jaaj6BE069nwwWLbYIsHpJz7fTAu/s1600/Bild+13.png" width="320" /></span></a></div>
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<span style="font-family: "courier new" , "courier" , monospace;"> Jetzt erkennt man ihn auch auf dem oberen Bild.</span></div>
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<span style="color: #cc0000; font-family: "courier new";">Now I could also recognize it on my chassis.</span></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Das Prinzip ist noch zwei Lautsprechergenerationen älter als das des Majestic G-5 von Grigsby-Grunow.</span></div>
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<span style="color: #cc0000; font-family: "courier new";">The technical principle is even two speaker generations older than that of the Majestic G-5 of Grigsby-Grunow.</span></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Es handelt sich um einen sogenannten magnetischen Lautsprecher.</span></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Das Prinzip ist in der folgenden Skizze aus dem Buch "Radios von Gestern" von Ernst Erb sehr schön dargestellt.</span></div>
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<span style="color: #cc0000; font-family: "courier new";">It is a so called magnetic speaker. The principle is nicely described in the following scetch taken from the book "Radios von Gestern" von Ernst Erb.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgsTSnNGECyj4jVcd28Xw6L93q_NvaHoSSNnUsliR2saGUPzD9YlMsQX6L9Ei5MMSLbBbvAeuSZPlYCgeXZBZ2DP_bRiI7jmjPwwivkY4AzGYKMF4aeORB2WaxoD84tkwMh3noHS6iH2A8a/s1600/ERnst+Erb+Radios+von+Gestern.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><span style="font-family: "courier new" , "courier" , monospace;"></span></a><br /></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgsTSnNGECyj4jVcd28Xw6L93q_NvaHoSSNnUsliR2saGUPzD9YlMsQX6L9Ei5MMSLbBbvAeuSZPlYCgeXZBZ2DP_bRiI7jmjPwwivkY4AzGYKMF4aeORB2WaxoD84tkwMh3noHS6iH2A8a/s1600/ERnst+Erb+Radios+von+Gestern.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="264" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgsTSnNGECyj4jVcd28Xw6L93q_NvaHoSSNnUsliR2saGUPzD9YlMsQX6L9Ei5MMSLbBbvAeuSZPlYCgeXZBZ2DP_bRiI7jmjPwwivkY4AzGYKMF4aeORB2WaxoD84tkwMh3noHS6iH2A8a/s1600/ERnst+Erb+Radios+von+Gestern.jpg" width="320" /></a></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Auf dem folgenden Foto meines Bi-Cone sieht man die auf den Betrachter weisende Stange, die dann in der vorderen Spitze des Konus festgeschraubt wird. Diese Stange überträgt die Schwingungen der Zunge Z auf den Konus. Die Zunge Z schwingt zwischen den Polen eines Hufeisenmagnets, wenn durch die Spule Sp der "Musikstrom" fliesst.</span></div>
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<span style="color: #cc0000; font-family: "courier new";">On the following foto of my Bi-Cone you can see the bar pointing </span></div>
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<span style="color: #cc0000; font-family: "courier new";">towards the viewer which is then fixed to the tip of the front cone.</span></div>
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<span style="color: #cc0000; font-family: "courier new";">This bar transmits the vibrations of tong Z to the cone. Tong Z swings between the poles of a magnet when the voice current flows through coil Sp.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi41IWRf-e1dmR1He1QAFzeb35QinfE8i78pmBuOVj0Vatp30wJJKZ-6g10yrtXS9Ozb-4TLOzxYIIXZ-PU8jcU-zXVJltGbeETKWBLCOle0een4_azoELujDEdxaGGAqE4-bulyRQFombb/s1600/P1060320.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><span style="font-family: "courier new" , "courier" , monospace;"><img border="0" height="244" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi41IWRf-e1dmR1He1QAFzeb35QinfE8i78pmBuOVj0Vatp30wJJKZ-6g10yrtXS9Ozb-4TLOzxYIIXZ-PU8jcU-zXVJltGbeETKWBLCOle0een4_azoELujDEdxaGGAqE4-bulyRQFombb/s1600/P1060320.JPG" width="320" /></span></a></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Das Chassis und der Antrieb, waren glücklicherweise völlig in Ordnung.</span></div>
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<span style="color: #cc0000; font-family: "courier new";">The Chassis and the drive, fortunately were completely okay.</span></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Aber der Konus...</span></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Er musste komplett erneuert werden. </span></div>
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<span style="color: #cc0000; font-family: "courier new";">But the cone...</span></div>
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<span style="color: #cc0000; font-family: "courier new";">It had to be replaced completely.</span></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Das ist übrigens etwas, was auch bei modernen Lautsprechern nicht unüblich ist. </span><span style="font-family: "courier new" , "courier" , monospace;">Es gibt Firmen, die auf die Erneuerung von Lautsprechermembranen spezialisiert sind, und wenn der Lautsprecher teuer war, lohnt sich dass sogar...</span></div>
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<span style="color: #cc0000; font-family: "courier new";">This by the way ist something which is not unusual for modern speakers either. There are companies specialized on the renewal of Speaker membranes, and if the Speaker has been expensive, it's worth it...</span></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Aber zurück zum Bi-Cone.</span></div>
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<span style="color: #cc0000; font-family: "courier new";">But back to the Bi-Cone.</span></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Aus den Fragmenten habe ich versucht, die Abmessungen zu rekonstruieren. </span><span style="font-family: "courier new" , "courier" , monospace;">Das war zum Teil kein Problem. Mit dem Kegelwinkel des vorderen und hinteren Kegels hatte ich aber so meine Probleme. Waren diese Winkel nun gleich oder nicht?</span></div>
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<span style="color: #cc0000; font-family: "courier new";">I tried to reconstruct the dimensions of the cone from the fragments. This was easy but with the angles of the front cone and the rear cone I had some problems. </span><span style="color: #cc0000; font-family: "courier new";">Were Ttese angles identical or not?</span></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Vorversuche mit billigem Packpapier haben mich dann darauf gebracht wie es gewesen sein muss: Nur wenn die beiden Kegelwinkel gleich sind, kann man den Doppelkegel einfach herstellen. Nur dann kann man nämlich - wie in der folgenden Skizze gezeigt - den hinteren Kegel so umstülpen dass er sich voll an den vorderen Kegel anschmiegt. Dann kann man die beiden an den Rändern verkleben und den Hinteren anschliessend wieder umstülpen.</span></div>
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<span style="color: #cc0000; font-family: "courier new";">Experiments with cheap cardboard brought me to the right conclusion: Only if the two cone angles are identical, it is easy to manufacture the Bi-Cone. As shown in the following sketch only then the rear cone can be inverted and is then completely aligned with the front cone. Then it is easy to glue the two cones together at the rim and afterwards to reinvert the rear cone getting the final Bi-Cone.</span></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Wenn die Kegelwinkel ungleich sind, ist diese Verklebung sehr kompliziert.</span></div>
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<span style="color: #cc0000; font-family: "courier new";">If the cone angles are different, the bonding of the two cones is much more difficult.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjUduE2cxHWzkBi64B37Nh0oeWOBPNFCGPN8igOxxUf5s-uJntQOvpahmTlBLkx2L8f9Nl6hPp6FNPOnVN1wnD3nVHsuMTnrJol9q-7CQietBtRJctw6KdKvETHS4vIQkul_OhSjO8uhYwo/s1600/1501021105480001.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><span style="font-family: "courier new" , "courier" , monospace;"><img border="0" height="640" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjUduE2cxHWzkBi64B37Nh0oeWOBPNFCGPN8igOxxUf5s-uJntQOvpahmTlBLkx2L8f9Nl6hPp6FNPOnVN1wnD3nVHsuMTnrJol9q-7CQietBtRJctw6KdKvETHS4vIQkul_OhSjO8uhYwo/s1600/1501021105480001.jpg" width="548" /></span></a></div>
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<span style="font-family: "courier new" , "courier" , monospace;">So wurde es dann also gemacht. </span></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Die Abwickung wurd auf 0,3mm braunen Zeichenkarton aufgezeichnet und ausgeschnitten. Für die Verklebung der Kegelkante habe ich Buchbinderleim Planatol genommen. Der bleibt elastisch, ist kurzzeitig korrigierbar aber auch schnell fest. Die beiden Kegel wurden am Rand dann mit dem braunem Papierklebeband verklebt, das man anfeuchten musste, wie früher die Briefmarken.</span></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Das ging sehr gut.</span></div>
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<span style="color: #cc0000; font-family: "courier new";">So it was done.</span></div>
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<span style="color: #cc0000; font-family: "courier new";">The geometrical shape of the cones was drawn to 0,3mm Brown cardboard and cut. To glue the two ends of these shapes together, I used bookbinder glue (Planatol). It remains elastic, can be corrected a short time and yet glues fast. The two cones then were glued together with an old type of sticky tape which had to be wetted to make it glue - like the old stamps. </span></div>
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<span style="color: #cc0000; font-family: "courier new";">This went very well.</span></div>
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<span style="font-family: "courier new" , "courier" , monospace;"> </span><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiefOESwISttuS-es6w9Uvr-qGMleS4jUDcTsYJcVbTphdeC7bzIikJXOd5Ej4sMtRlJ2sqnd46UpgzY5ZbUUi8cD7f27k-Ci0wqW-l7aTxF2T2-bTljl8uzzUd3iyukKaX752GXFf910I-/s1600/P1060368.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><span style="font-family: "courier new" , "courier" , monospace;"><img border="0" height="300" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiefOESwISttuS-es6w9Uvr-qGMleS4jUDcTsYJcVbTphdeC7bzIikJXOd5Ej4sMtRlJ2sqnd46UpgzY5ZbUUi8cD7f27k-Ci0wqW-l7aTxF2T2-bTljl8uzzUd3iyukKaX752GXFf910I-/s1600/P1060368.JPG" width="400" /></span></a></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Vorher habe ich noch die Banderolen-Verzierung auf den Karton übertragen, und das geht so:</span></div>
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<span style="color: #cc0000; font-family: "courier new";">Before that, I transfered the banderoles to the cardboard, and here's how it works:</span></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Man zeichnet das Muster mit einem Zeichenprogramm wie Corel Draw und druckt es auf weisses Papier. Dann legt man das Papier mit der bedruckten Seite auf den Karton. Die Rückseite wird dann mit Aceton befeuchtet (nicht zu viel) und mit einer Rolle an die Pappe angedrückt. </span><span style="font-family: "courier new" , "courier" , monospace;">Das löst den Toner und überträgt ihn auf die Pappe.</span></div>
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<span style="color: #cc0000; font-family: "courier new";">First the pattern is drawn using a drawing software like Corel Draw and the result is printed on white paper. Then the paper is placed printed side down on the cardboard. The backside is then wetted with acetone (not too much) and pressed with a roller onto the cardboard. This relieves the toner from the white paper and transfers it to the cardboard.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjl16c11UY5lEOXgPmcPYQ7gdfVF598TCFlHQvoTfpsWUooEiMqdssb51kHn31TrEMkp3OTyad5bZdUS54gLUQWjJY8y8rqURVfxEp4DOYjnEvFnWAdKJY4HB-LMtsqjBexEgKV5iTAKudb/s1600/IMG_0227.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><span style="font-family: "courier new" , "courier" , monospace;"><img border="0" height="300" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjl16c11UY5lEOXgPmcPYQ7gdfVF598TCFlHQvoTfpsWUooEiMqdssb51kHn31TrEMkp3OTyad5bZdUS54gLUQWjJY8y8rqURVfxEp4DOYjnEvFnWAdKJY4HB-LMtsqjBexEgKV5iTAKudb/s1600/IMG_0227.JPG" width="400" /></span></a></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Um den Konus unempfindlich gegen Feuchtigkeit zu machen, habe ich ihn mit Plastik70 eingesprüht. Das ist ein transparenter Lack, der sich in der Elektronik seit Jahrzehnten bewährt hat.</span></div>
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<span style="color: #cc0000; font-family: "courier new";">To make the cone unsensitive to moisture, I sprayed it with Plastik70, a transparent varnish which is proven in electronics since decades. </span></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Im nächsten Schritt wurde mit Epoxy-Kleber der Aluflansch, mit dem der Konus am Chassis befestigt wird, und die Alu-Fassung für die Antriebsstange in der Kegelspitze aufgeklebt.</span></div>
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<span style="color: #cc0000; font-family: "courier new";">In the next step, the flange for fixing the cone to the chassis and the fixture for the bar in the cone tip were glued to the cardboard with epoxy resin.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjFheuZo9rM6br52Q9jiBgdHscxTkQZCZC__9QOsjx2LQvHNDo2ghc6Alvjdxi5lmOC41EwWn9rPjk7bqZSvn9wkUQwkjtIj5NCAladqB1QCveGwPZky42IuXIHP7HyvCa79jDhInbaDc9c/s1600/IMG_0229.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><span style="font-family: "courier new" , "courier" , monospace;"><img border="0" height="300" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjFheuZo9rM6br52Q9jiBgdHscxTkQZCZC__9QOsjx2LQvHNDo2ghc6Alvjdxi5lmOC41EwWn9rPjk7bqZSvn9wkUQwkjtIj5NCAladqB1QCveGwPZky42IuXIHP7HyvCa79jDhInbaDc9c/s1600/IMG_0229.JPG" width="400" /></span></a></div>
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<span style="font-family: "courier new" , "courier" , monospace;"> D</span></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Der Rand musste noch schwarz lackiert werden, und dann konnte der Kegel montiert werden.</span></div>
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<span style="color: #cc0000; font-family: "courier new";">The rim was painted with black varnish and then the cone could be mounted.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi1OcSo1HPGnCHk1N_0sPuJFlSEXnGHIA7kxmlcPnAYfaNigrqJMT1x440ZblZ-Nbfb0XBbqhqYxwv5To0_3UMtj1jfg7o_wwmmFSo8GyzJ7b23wf2i6QpdgBEU1aLftrozLtAuuFGNoDqH/s1600/IMG_0232.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><span style="font-family: "courier new" , "courier" , monospace;"><img border="0" height="400" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi1OcSo1HPGnCHk1N_0sPuJFlSEXnGHIA7kxmlcPnAYfaNigrqJMT1x440ZblZ-Nbfb0XBbqhqYxwv5To0_3UMtj1jfg7o_wwmmFSo8GyzJ7b23wf2i6QpdgBEU1aLftrozLtAuuFGNoDqH/s1600/IMG_0232.JPG" width="300" /></span></a></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Die hintere Abdeckung aus Messinggitter und der Flansch, mit der das Gitter befestigt war fehlten. Sie wurden aus Materialresten nachgebaut.</span></div>
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<span style="color: #cc0000; font-family: "courier new";">The rear cover made of brass grid and the flange to fix it to the chassis were missing. So they had to be made from scrap material.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgN0bo6qcuNGBx5ePBNTkoe3o_tHieCFCZ5nJrECTpjkUIJiW6r2HCWOzKbZZCwZT7tuuz6YznBmpz6Q8TJX1qe01KXTyCS-NRMF9r918nwSrwzCkMj17bHKdbnS6VuX3jY-EgVPyx7it3K/s1600/Bell+Telephone+Company+Typ+2004-pic08.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><span style="font-family: "courier new" , "courier" , monospace;"><img border="0" height="400" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgN0bo6qcuNGBx5ePBNTkoe3o_tHieCFCZ5nJrECTpjkUIJiW6r2HCWOzKbZZCwZT7tuuz6YznBmpz6Q8TJX1qe01KXTyCS-NRMF9r918nwSrwzCkMj17bHKdbnS6VuX3jY-EgVPyx7it3K/s1600/Bell+Telephone+Company+Typ+2004-pic08.JPG" width="300" /></span></a></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Fertig war der Bell Telephone Bi-Cone 2004</span></div>
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<span style="color: #cc0000; font-family: "courier new";">So now the Bell Telephone Bi-Cone 2004 was ready.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgkmoJOvlCeFW2-yWJxvbs-gSpGp17No2ycaccDtn3SUxcLLjCuaxxcH3N2bScr7Sow1BEnxNI1ZO8QpC5owzT3LkzffP02QKKRV9Bc-WlpeL1vEIsAzj2b5BNTEloceix-S0tqgU8q_7G7/s1600/Bell+Telephone+Company+Typ+2004-pic05.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><span style="font-family: "courier new" , "courier" , monospace;"><img border="0" height="400" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgkmoJOvlCeFW2-yWJxvbs-gSpGp17No2ycaccDtn3SUxcLLjCuaxxcH3N2bScr7Sow1BEnxNI1ZO8QpC5owzT3LkzffP02QKKRV9Bc-WlpeL1vEIsAzj2b5BNTEloceix-S0tqgU8q_7G7/s1600/Bell+Telephone+Company+Typ+2004-pic05.JPG" width="300" /></span></a></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Ein Schmuckstück - für mich jedenfalls.</span></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Und es funktioniert wieder.</span></div>
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<span style="color: #cc0000; font-family: "courier new";">A gem - for me anyway.</span></div>
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<span style="color: #cc0000; font-family: "courier new";">And it's working again.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjNqw39WgrJeZcXJUbPP4PT5B3VlwnbCL4yl0pNLvNT0qZPKYk6SQAgbt4-3n72tDBrIk062YKSCX6Ynf9Tchf8auJbSS4qk8WHMQOniqJWZNDOcSx-Lsq22mYE2t-t5VfDDjnwvF1rsDi_/s1600/Bell+Telephone+Company+Typ+2004-pic07.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><span style="font-family: "courier new" , "courier" , monospace;"><img border="0" height="400" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjNqw39WgrJeZcXJUbPP4PT5B3VlwnbCL4yl0pNLvNT0qZPKYk6SQAgbt4-3n72tDBrIk062YKSCX6Ynf9Tchf8auJbSS4qk8WHMQOniqJWZNDOcSx-Lsq22mYE2t-t5VfDDjnwvF1rsDi_/s1600/Bell+Telephone+Company+Typ+2004-pic07.JPG" width="300" /></span></a></div>
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<span style="font-family: "courier new" , "courier" , monospace;">An jedem alten Röhrenradio betreibbar.</span></div>
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<span style="font-family: "courier new";"><span style="color: #cc0000;">Works with any old tube radio.</span></span></div>
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<!-- Blogger automated replacement: "https://images-blogger-opensocial.googleusercontent.com/gadgets/proxy?url=http%3A%2F%2F1.bp.blogspot.com%2F--qF62Jgy32g%2FVLAdUF93dhI%2FAAAAAAAAAR8%2FZbf-WMg67Ew%2Fs1600%2FERnst%252BErb%252BRadios%252Bvon%252BGestern.jpg&container=blogger&gadget=a&rewriteMime=image%2F*" with "https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgsTSnNGECyj4jVcd28Xw6L93q_NvaHoSSNnUsliR2saGUPzD9YlMsQX6L9Ei5MMSLbBbvAeuSZPlYCgeXZBZ2DP_bRiI7jmjPwwivkY4AzGYKMF4aeORB2WaxoD84tkwMh3noHS6iH2A8a/s1600/ERnst+Erb+Radios+von+Gestern.jpg" -->A-baerhttp://www.blogger.com/profile/02377391887987144084noreply@blogger.com0tag:blogger.com,1999:blog-3845783275428802369.post-64896769403864239312016-02-04T11:28:00.000-08:002016-02-10T04:25:05.040-08:00Grigsby-Grunow Majestic G-5 Dynamic Speaker<div style="text-align: center;">
<span style="font-family: "courier new" , "courier" , monospace;">Neulich fand ich dieses Gerät im Schrott.</span><br />
<span style="color: #cc0000; font-family: "courier new";">Recently I found this device on the scrapyard.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiYlg7qM1iVzmNA4_WWLct2qSZPgmNi9O9v2ABDRPGZyH_t72dVdAPcyiV5BKEJcWjn8GVBs4LuR6IMA4VV6c7qxghDXy1hVsFvEoHg3aXPZka2Xs4LrxxfrjVSiS7a8bDbXF5bMsyUaVtd/s1600/P1080893.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><span style="font-family: "courier new" , "courier" , monospace;"><img border="0" height="300" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiYlg7qM1iVzmNA4_WWLct2qSZPgmNi9O9v2ABDRPGZyH_t72dVdAPcyiV5BKEJcWjn8GVBs4LuR6IMA4VV6c7qxghDXy1hVsFvEoHg3aXPZka2Xs4LrxxfrjVSiS7a8bDbXF5bMsyUaVtd/s1600/P1080893.JPG" width="400" /></span></a></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Sieht aus wie ein gewöhnlicher Lautsprecher mit 31cm Korbdurchmeser. </span></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Ist es aber nicht.</span></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Er hat vier Anschlüsse und nicht nur zwei wie heutige Lautsprecher.</span></div>
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<span style="color: #cc0000; font-family: "courier new";">It looks like an ordinary 12 Inch loudspeaker.</span><br />
<span style="color: #cc0000; font-family: "courier new";">But it isn't.</span><br />
<span style="color: #cc0000; font-family: "courier new";">It has four leads and not only two like modern speakers.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjTdKIpEHftGqc9W1owvF0qentl5lBSUpCpPtvzCBHo8flmJEIfxdISEwbMKXOX-_QWUhtAb3kJ5TS3AdGKB0L7tpKtFRgnqg2siKv-Wr8AcFmCyTFueLUvu0-9LVeorLM6TK-uBdZHZ6F1/s1600/P1080900.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><span style="font-family: "courier new" , "courier" , monospace;"><img border="0" height="300" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjTdKIpEHftGqc9W1owvF0qentl5lBSUpCpPtvzCBHo8flmJEIfxdISEwbMKXOX-_QWUhtAb3kJ5TS3AdGKB0L7tpKtFRgnqg2siKv-Wr8AcFmCyTFueLUvu0-9LVeorLM6TK-uBdZHZ6F1/s1600/P1080900.JPG" width="400" /></span></a></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Die Demontage förderte eine ungefähr 1kg schwere Feldspule zu Tage.</span></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Es ist also ein sogenannter elektrodynamischer Lautsprecher, bei dem das Magnetfeld nicht durch einen Dauermagneten sondern durch einen Elektromagneten mit eben dieser Feldspule erzeugt wurde.</span><br />
<span style="font-family: "courier new" , "courier" , monospace;"><span style="color: #cc0000;">Dismantling brought out a field coil with a weight of app. 1 kg.</span></span><br />
<span style="font-family: "courier new" , "courier" , monospace;"><span style="color: #cc0000;">So it is a so called electrodynamic speaker where the magnetic field is not produced by a permanent magnet but by an electromagnet which contains this field coil.</span> </span><br />
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<span style="font-family: "courier new";">Dieses Magnetfeld geht radial durch den ringförmigen Luftspalt, den man im folgenden Bild gut sieht. Die kleine Schwingspule, die hinten auf dem Lautsprecherkonus sitzt, taucht in diesen Luftspalt ein. Wenn jetzt durch die Schwingspule ein Strom fliesst, wird sie - je nach Stromrichtung - in den Luftspalt hinein- oder herausgezogen. Damit bewegt sie die Membran und so entsteht der Schall.</span><br />
<span style="color: #cc0000; font-family: "courier new";">This magnetic field is radial in the toroidal airgap which can be well seen in tho following picture. The Little voice coil sitting on the backside of the Speaker cone is immersed in this gap. If now there is a current flowing through the voice coil, it will be - depending on the direction of the current - pulled or pushed into or out of the airgap. Thus it pulls or pushes the Speaker cone so producing sound.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiI-fiKZqy93eCAh-rYe5sHofA75UyP-zYHLfxpmSRADh27I6V0IlnpNqDg-jiYaxI5bVnrHw5ajt8-pEruwUqr8Bgm1tbGjT8_IPRFWtTaHoQarhAgYh8nOZw2hkIcJNussDPmRzvUANUn/s1600/P1080976.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="300" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiI-fiKZqy93eCAh-rYe5sHofA75UyP-zYHLfxpmSRADh27I6V0IlnpNqDg-jiYaxI5bVnrHw5ajt8-pEruwUqr8Bgm1tbGjT8_IPRFWtTaHoQarhAgYh8nOZw2hkIcJNussDPmRzvUANUn/s1600/P1080976.JPG" width="400" /></a></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Diese elektrodynamischen Lautsprechersysteme waren Anfang des 20sten Jahrhunderts üblich, weil man noch nicht in der Lage war, starke und grosse Dauermagnete herzustellen.</span><br />
<span style="color: #cc0000; font-family: "courier new";">These electrodynamic speakers were common at the beginning of the 20th century because at that time it was not yet possible toproduce strong and big permanent magnets.</span><br />
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<span style="font-family: "courier new" , "courier" , monospace;">Solche Lautsprecher werden schon lange nicht mehr hergestellt und sind daher entsprechend selten.</span></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Eine Instandsetzung - wenn sie denn mit vertretbarem Aufwand möglich ist - lohnt sich also.</span><span style="font-family: "courier new" , "courier" , monospace;"> </span><br />
<span style="color: #cc0000; font-family: "courier new";">Speakers of that kind are no longer produced and therefore they are rare. Restoration - if it can be done with reasonable effort - is therefore worthwile.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgl0yfR8mtODc3q6CtNI0FV0UzpXY1Zvjn_zrhIGPTnxv_g4yEQbg7LZ95Ri6hSCVGmcP6rz2p1XM2Tb_F7lBIwj4E0xKv4r2OzXbEjvhkDbpAFaxNg5gADSui1pdfgICWYXXQT9FMdVLLv/s1600/P1080588.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><span style="font-family: "courier new" , "courier" , monospace;"></span></a><br /></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Das Typenschild gibt Hinweise auf Typ und Herkunft dieses Lautsprechers.</span><br />
<span style="color: #cc0000; font-family: "courier new";">The type plate give us hints to type and origin of this Speaker.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgJrNPxzzqtktaC4adcrhmCOhl10h6n5i3eVyVUFIKMPNDZQEnKvzJF_wyicsQgeTpwYTq6Y8KmoOD9afQQ2AugLblULEj7eNoNMCfJ-v2W6amCR4xg5rSnwCaB_NuC03zNF6aA6_P2O2X9/s1600/P1080588.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="400" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgJrNPxzzqtktaC4adcrhmCOhl10h6n5i3eVyVUFIKMPNDZQEnKvzJF_wyicsQgeTpwYTq6Y8KmoOD9afQQ2AugLblULEj7eNoNMCfJ-v2W6amCR4xg5rSnwCaB_NuC03zNF6aA6_P2O2X9/s1600/P1080588.JPG" width="298" /></a></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Er wurde von der Firma Grigsby-Grunow in Chicago hergestellt und war z.B. um 1930 in deren Radio-Modellen 130A und 230A eingebaut.</span><br />
<span style="color: #cc0000; font-family: "courier new";">It has been produced by the Grigsby-Grunow Company in Chicago and it was e.g. built in their radio models 130A and 230A in 1930.</span></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Im Radiomuseum.org findet man diese Modelle. </span></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Das waren noch Radios! </span></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Gross wie ein Schrank und wunderschöne Holzarbeiten.</span></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Besonders in USA war diese Bauform verbreitet.</span></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Allerdings nur Mittelwellenempfang (ca 800-2000m)!</span></div>
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<span style="font-family: "courier new" , "courier" , monospace;"> Etwas Anderes gab es damals nicht, aber die Menschen waren froh, wenigstens das zu haben. </span><br />
<span style="color: #cc0000; font-family: "courier new";">On radiomuseum.org you can find these models.</span><br />
<span style="color: #cc0000; font-family: "courier new";">That really were radios!</span><br />
<span style="color: #cc0000; font-family: "courier new";">Big like cupboards and beautiful woodworking.</span><br />
<span style="color: #cc0000; font-family: "courier new";">This form of Radio was especially popular in USA.</span><br />
<span style="color: #cc0000; font-family: "courier new";">However it only received Medium Waves (ca 800-2000m)</span><br />
<span style="color: #cc0000; font-family: "courier new";">There was nothing else available at that time, but people were glad to have it.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgh4j18z9teHIIVJ0PbETNbY8d35YSPXXV9_TkHsLpcOoFW-0vwaZ_YEr5xy7zGyjYI53B8qg2FyO9zUnTWCbH7O2PGZoVJhyphenhyphenhogBOta6VDO6Iwy_J6yKwlrzYd47m8u3TxSoLq4EdtnoaN/s1600/20-12-2014+14-07-02.jpg" imageanchor="1" style="clear: right; float: right; margin-bottom: 1em; margin-left: 1em;"><span style="font-family: "courier new" , "courier" , monospace;"><img border="0" height="320" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgh4j18z9teHIIVJ0PbETNbY8d35YSPXXV9_TkHsLpcOoFW-0vwaZ_YEr5xy7zGyjYI53B8qg2FyO9zUnTWCbH7O2PGZoVJhyphenhyphenhogBOta6VDO6Iwy_J6yKwlrzYd47m8u3TxSoLq4EdtnoaN/s1600/20-12-2014+14-07-02.jpg" width="250" /></span></a><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg9ZYFg8eexlt26P0nB0r60mcLjusvkzLQVlP4iB83ZVF_e1tuvCFjZa6blWLk4uTsyQ-Pv-qs9dByo75LmPdateLWee8B6zlgyGS16jK-_hrn9uyvObgHQ76T9dSO2DdF-BOwikv0J96vB/s1600/09-01-2015+11-00-25.jpg" imageanchor="1" style="clear: left; float: left; margin-bottom: 1em; margin-right: 1em;"><span style="font-family: "courier new" , "courier" , monospace;"><img border="0" height="320" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg9ZYFg8eexlt26P0nB0r60mcLjusvkzLQVlP4iB83ZVF_e1tuvCFjZa6blWLk4uTsyQ-Pv-qs9dByo75LmPdateLWee8B6zlgyGS16jK-_hrn9uyvObgHQ76T9dSO2DdF-BOwikv0J96vB/s1600/09-01-2015+11-00-25.jpg" width="244" /></span></a></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Die Inspektion ergab, dass der Lautsprecher drei heikle Defekte aufwies:</span><br />
<span style="color: #cc0000; font-family: "courier new";">Inspection showed two critical defects:</span></div>
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<span style="font-family: "courier new" , "courier" , monospace;">1. Ein Anschluss der Schwingspule war abgerissen.</span></div>
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<span style="font-family: "courier new" , "courier" , monospace;">2. Die Feldspule hatte keinen Durchgang mehr.</span></div>
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<span style="font-family: "courier new" , "courier" , monospace;">3. Der Mittelteil, der die Schwingspule im Luftspalt zentriert, war gerissen und morsch.</span><br />
<span style="color: #cc0000; font-family: "courier new";">1. One lead of the voice coil was torn off</span><br />
<span style="color: #cc0000; font-family: "courier new";">2. The fieldcoil had no passage</span><br />
<span style="color: #cc0000; font-family: "courier new";">3. The middle part of thevoice coil, which Centers it in the air gap, was torn and brittle.</span></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Wenn eine dieser Teilreparaturen fehlschlägt oder zu teuer wird, ist er wirklich für den Schrottplatz.</span><br />
<span style="color: #cc0000; font-family: "courier new";">If one of these partial repairs would fail or become too expensive,it would really go to the scrapyard.</span></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Zuerst habe ich mir den Anschluss der Schwingspule vorgenommen.</span></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Mit einem kleinen Fräser konnte ich das abgerissene Drahtende in der Papprolle freilegen und einen dünnen Kupferdraht anlöten.</span><br />
<span style="color: #cc0000; font-family: "courier new";">At first, I went for the broken lead of the voice coil. With a little milling tool I could excavate the end of the torn wire in the cardboard body of the coil and solder a thin copper wire to it.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgJJm5VUb_OpUrM59O6e3DehwWkYn5bLO2J2LZA0V6cQ-3uZzn4iF-AeNOPvBeUScg5-fsGKOzcx6RO_IF5AnGLmNHQ6pKPirbCMeRVvWVR0nmW9wkXzlUxsLde_spRLikQ2szAIdJgZwpZ/s1600/P1080512.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><span style="font-family: "courier new" , "courier" , monospace;"><img border="0" height="240" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgJJm5VUb_OpUrM59O6e3DehwWkYn5bLO2J2LZA0V6cQ-3uZzn4iF-AeNOPvBeUScg5-fsGKOzcx6RO_IF5AnGLmNHQ6pKPirbCMeRVvWVR0nmW9wkXzlUxsLde_spRLikQ2szAIdJgZwpZ/s1600/P1080512.JPG" width="320" /></span></a></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Im nächsten Schritt wurde die noch vorhandene Lötöse mit Epoxidkleber wieder eingeklebt.</span><br />
<span style="color: #cc0000; font-family: "courier new";">In a next step the soldering eyelet was glued to the coil body.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhh4bqJxoPmSPq3EqZRl9S2JHaosNbt9g3tqY08N_JkJeIx8Hv_2QVdvlYSAKwMIKAYfaTJjPf3pEUlQIiFAsApUiKbGoglrhxxHE_WAlvSHUzV0qeBn112Fgn8AUse59NwVJyKWns9nouF/s1600/P1080623.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><span style="font-family: "courier new" , "courier" , monospace;"><img border="0" height="240" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhh4bqJxoPmSPq3EqZRl9S2JHaosNbt9g3tqY08N_JkJeIx8Hv_2QVdvlYSAKwMIKAYfaTJjPf3pEUlQIiFAsApUiKbGoglrhxxHE_WAlvSHUzV0qeBn112Fgn8AUse59NwVJyKWns9nouF/s1600/P1080623.JPG" width="320" /></span></a></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Zu guter Letzt wurde dann der Draht an die Lötöse angelötet.</span><br />
<span style="color: #cc0000; font-family: "courier new";">Finally the new wire was soldered to the soldering eyelet.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj5seZy5z79R9yvGlb_yJPWW7JsIamfHq3aTZnkW9jqOxNcpVBJf9LaKY1s2brcJvAlmbucjk3mx22YvKy6L-eix8sWJy7jLau7J4QZLSx31MCXro086wFEXS45MB1L4mzSUv10M0dVYM9I/s1600/P1080908.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><span style="font-family: "courier new" , "courier" , monospace;"><img border="0" height="240" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj5seZy5z79R9yvGlb_yJPWW7JsIamfHq3aTZnkW9jqOxNcpVBJf9LaKY1s2brcJvAlmbucjk3mx22YvKy6L-eix8sWJy7jLau7J4QZLSx31MCXro086wFEXS45MB1L4mzSUv10M0dVYM9I/s1600/P1080908.JPG" width="320" /></span></a></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Als nächstes habe ich mir die Feldspule vorgenommen. </span><br />
<span style="font-family: "courier new" , "courier" , monospace;">Sie besteht aus Kupferlackdraht mit einem Durchmesser von 0,15mm.</span><br />
<span style="font-family: "courier new" , "courier" , monospace;">Sie hatte keinen Durchgang mehr. </span><br />
<span style="font-family: "courier new" , "courier" , monospace;">Ihr elektrischer Widerstand sollte bei einigen 1000 Ohm liegen.</span></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Wahrscheinlich war sie einmal zu heiss geworden. Dann brennt irgendwo im Innern ein Stückchen Draht durch und der heiss gewordene Lack verklebt die Drähte in diesem Bereich. Meine Hoffnung war, dass sie nur an einer Stelle verbrannt war und ich den Rest widerverwenden konnte.</span><br />
<span style="color: #cc0000; font-family: "courier new";">Next I went for the field coil. It consists of enameled copper wire with a Diameter of 0.15mm.</span><br />
<span style="color: #cc0000; font-family: "courier new";">It had no passage anymore.</span><br />
<span style="color: #cc0000; font-family: "courier new";">It's resistance should be some thousands of Ohms.</span><br />
<span style="color: #cc0000; font-family: "courier new";">Probably it once had become too hot. In this case somewhere inside a piece of wire melts and this melts also the enamel in this area thus glueing the wires together. My hope was that it would be burnt only in one place and that I could reuse the rest of it.</span><br />
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<span style="font-family: "courier new" , "courier" , monospace;">Also Draht von der Spule abwickeln, Stücke zusammenflicken und anschliessend wieder draufwickeln. Ich ahnte schon, dass das ein mühsames Geschäft mit ungewissem Ausgang werden würde.</span><br />
<span style="color: #cc0000; font-family: "courier new" , "courier" , monospace;">So unwinding the coil, patching the pieces together and rewinding it was the idea. I had the apprehension that this would a cumbersome work with uncertain result.</span><br />
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<span style="font-family: "courier new" , "courier" , monospace;">Da ich auch in anderen Projekten Spulen neu zu wickeln hatte, nahm ich dies zum Anlass, mir endlich eine Hilfsvorrichtung zum Spulenwickeln auf meiner Drehbank zu bauen. </span><br />
<span style="color: #cc0000; font-family: "courier new";">Since I had other copper wire coils waiting to be wound in some other projects too, I took this as an occasion to finally build myself an auxiliary device for winding coils on my lathe</span><br />
<span style="color: #cc0000; font-family: "courier new";">.</span><br />
<span style="font-family: "courier new" , "courier" , monospace;">Sie besteht im Wesentlichen aus einer Spannvorrichtung für die Spulen - eine Gewindestange mit V-förmigen Bohrungen an den Enden, auf die Konen aus Holz aufgeschraubt und mit Muttern fixiert werden können und einer Halterung für die Vorratsspule.<br />Eine Drahtführung von links anch rechts und zurück wie bei professionellen Maschinen habe ich der Einfachheit halber erstmal weggelassen. </span><br />
<span style="color: #cc0000; font-family: "courier new";">It basically consists of a fixture for the coil bodies - a threaded bar with V-grooves at the ends on which wooden cones are screwed and fixed with nuts - and a support for the Reservoir coil.</span><br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEifZm24tH9O8zZYn_hSn4AX12jRgAPRxuFTxUPXQWsom35PeIKqzsYpD1dCpdeovhqcBSGo2e78ekNyxyFi236FO-SDaS1gMkS4nl4G_feIy1L7qGa_zruLSg5D6MeeoXDhcxveC7OqWBf4/s1600/P1090069-1.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="262" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEifZm24tH9O8zZYn_hSn4AX12jRgAPRxuFTxUPXQWsom35PeIKqzsYpD1dCpdeovhqcBSGo2e78ekNyxyFi236FO-SDaS1gMkS4nl4G_feIy1L7qGa_zruLSg5D6MeeoXDhcxveC7OqWBf4/s1600/P1090069-1.jpg" width="400" /></a></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjF4EG7glVoLYjvGOLMIsRK-tpOg8Cv64oFv0LXSVmWoNA-f0mc8ENz5RKNBUyn6X7WcP-a_E7kIyD3dSB1HUXtnmwuen6-yOCD-fsVSI01UNPnQB1Fvfz22ZSkpP-VhnuGT-HPnHjrYfxz/s1600/P1090069.JPG" imageanchor="1" style="clear: right; float: right; margin-bottom: 1em; margin-left: 1em;"><span style="font-family: "courier new" , "courier" , monospace;"></span></a><span style="font-family: "courier new" , "courier" , monospace;"></span><br />
<span style="font-family: "courier new" , "courier" , monospace;">Das funktioniert so auch recht gut. 2000 Windungen pro Minute sind damit kein Problem.</span><br />
<span style="font-family: "courier new" , "courier" , monospace;">Hier beim Abwickeln der Feldspule.</span><br />
<span style="color: #cc0000; font-family: "courier new";">This works quite well. 2000 turn per Minute is no Problem.</span><br />
<span style="color: #cc0000; font-family: "courier new";">Here it is while unwinding the field coil.</span><br />
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<span style="font-family: "courier new" , "courier" , monospace;">Es war trotzdem mühsam. </span></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Der Draht war nämlich nicht nur an einer Einzigen sondern an ungefähr 30 Stellen durchgebrannt. Das eigentliche Abwickeln ging schnell. Zeitraubend und knifflig war es dann immer, das Drahtende wiederzufinden. </span></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Und jedesmal dachte ich: "das war aber jetzt die letzte Fehlstelle".</span></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Und wenn man 10 Bruchstellen erfolgreich überwunden hat, hört man dann auf? Natürlich nicht.</span><br />
<span style="color: #cc0000; font-family: "courier new";">However it was cumbersome. </span><br />
<span style="color: #cc0000; font-family: "courier new";">The wire was not only burnt in one place but in about 30 places. The unwinding itself went fast. However it was time consuming and tricky to each time find again the ends of the wire.</span><br />
<span style="color: #cc0000; font-family: "courier new";">And everytime I though: "Well, this is now the last defect". And if you have successfully managed 10 defects, will you give up when you find the 11th? Of course not.</span></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Wenn ich das vorher gewusst hätte...</span></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Die Spule hatte 37600 Windungen !</span></div>
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<span style="font-family: "courier new" , "courier" , monospace;"> Ungefähr 8000m Kupferlackdraht mit 0,15mm Durchmesser.</span><br />
<span style="color: #cc0000; font-family: "courier new";">If I had known that before...</span><br />
<span style="color: #cc0000; font-family: "courier new";">The coil had 37600 windings.</span><br />
<span style="color: #cc0000; font-family: "courier new";">About 8000m enameled copper wire of 0,15mm Diameter.</span></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Jetzt sah man auch das ganze Ausmass der Erhitzung: Der Spulenkörper war deutlich angekohlt.</span><br />
<span style="color: #cc0000; font-family: "courier new";">At the end one could see the whole extent of the overheating: The coil body was heavily charred </span></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Aber das Schlimmste kam noch.</span><br />
<span style="color: #cc0000; font-family: "courier new";">But the worst was yet to come.</span></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Als ich die Spulen wieder vertauscht hatte (Feldspule auf Drehbank, Vorratsspule auf Spulenhalter) und die 30 Drahtstücke wieder aufwickeln und peu à peu zusammenlöten wollte, stellte ich fest, dass ich einen grossen Fehler gemacht hatte: </span></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Wie man oben sieht, habe ich die Vorratsspule nicht gleichmässig bewickelt. In der Mitte hatte sich eine Kugel gebildet. Ich habe das wohl gesehen, dachte mir aber, das macht nichts, es wird ja sowieso wieder abgewickelt. </span></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Weit gefehlt!</span></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Beim Abwickeln rutschten ganze Ringe von Windungen von der Kugel herunter, lagen dann nicht mehr dicht aufeinander und verknoteten sich heillos.</span></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Ganze 7000 Windungen konnte ich retten. </span></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Der Rest war dann so verhuddelt, dass ich ihn wegwerfen musste.</span></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Hier die magere Ausbeute: 7000 Windungen.</span><br />
<span style="color: #cc0000; font-family: "courier new";">When I had swapped the coiles again (fieldcoil on lathe, reservoir coil on support) and wanted to by and by rewind the pieces of wire and solder them together, I realised that I had made a big mistake:</span><br />
<span style="color: #cc0000; font-family: "courier new";">As you can see above, I did not wind the reservoir coil regularly and flat. In the middle a bowl has built up. I well saw that but I thought it wouldn't matter because it would be unwound again anyway. </span><br />
<span style="color: #cc0000; font-family: "courier new";">Far wrong!</span><br />
<span style="color: #cc0000; font-family: "courier new";">During the unwinding process whole rings of windings slid down from the bowl and since they did'nt lie close together, they interlaced hopelessly. The rest then was so messed up that I had to throw it away.</span><br />
<span style="color: #cc0000; font-family: "courier new";">Here ist the whole yield: 7000 windings.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiEXBoLwepKf8hBFzi8CbkxpV-7gUMYQKGvGV1ivgokLUfuWdTyYwyYhwFqxzmlkIZnvFC0SC6RGVp8AWhr4u4O4nEYu11XMLwngnFUL09RT4pUTutyxQSP-mWzLVDTMr52Tq040SFcK5rQ/s1600/7000+Wdg+gerettet.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><span style="font-family: "courier new" , "courier" , monospace;"><img border="0" height="240" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiEXBoLwepKf8hBFzi8CbkxpV-7gUMYQKGvGV1ivgokLUfuWdTyYwyYhwFqxzmlkIZnvFC0SC6RGVp8AWhr4u4O4nEYu11XMLwngnFUL09RT4pUTutyxQSP-mWzLVDTMr52Tq040SFcK5rQ/s1600/7000+Wdg+gerettet.JPG" width="320" /></span></a></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Sehr ärgerlich!</span></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Aber man kann nicht immer gewinnen.</span></div>
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<span style="color: #cc0000; font-family: "courier new" , "courier" , monospace;">Very annoying!</span></div>
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<span style="color: #cc0000; font-family: "courier new" , "courier" , monospace;">But sometimes you win, sometimes you lose.</span></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Nun bin ich auf der Suche nach dem passenden Draht. </span></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Habe auch schon eine ebay Auktion gefunden...</span></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Das wird mich zwar etwas kosten, aber der Majestic Speaker ist es wert.</span></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Immerhin weiss ich jetzt: </span></div>
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<span style="font-family: "courier new" , "courier" , monospace;">das Aufwickeln der restlichen 30000 Windungen ist eine Sache von 15-30 Minuten.</span><br />
<span style="color: #cc0000; font-family: "courier new";">Now I am in search of a the right wire.</span><br />
<span style="color: #cc0000; font-family: "courier new";">Found already a fitting ebay auction...</span><br />
<span style="color: #cc0000; font-family: "courier new";">It will cost me something but the Majestic Speaker is worth it.</span></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Bis dahin habe ich mich schon mal um die dritte Problemstelle gekümmert: die Risse im </span><span style="font-family: "courier new" , "courier" , monospace;">Mittelteil der Schwingspule.</span></div>
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<span style="color: #cc0000; font-family: "courier new";">Up to then I went for the third critical point: the cracks in the middle part of the voice coil.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjGfYf6a8ZEfp4l2BJBKpDTSOVnoBXWPhul5nG3Vt6h6N8N212DPHxWA78oSKlQu88nZu4Eb1UqY1o5t39niTGi-GXyx1bgEaUmCK0j5kG7GwOigmpeNS-6IoftFFq0PLjRBvYtU6C2sTrC/s1600/P1080521.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><span style="font-family: "courier new" , "courier" , monospace;"><img border="0" height="240" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjGfYf6a8ZEfp4l2BJBKpDTSOVnoBXWPhul5nG3Vt6h6N8N212DPHxWA78oSKlQu88nZu4Eb1UqY1o5t39niTGi-GXyx1bgEaUmCK0j5kG7GwOigmpeNS-6IoftFFq0PLjRBvYtU6C2sTrC/s1600/P1080521.JPG" width="320" /></span></a></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Dieser Mittelteil wird auf den Kern des Elektromagneten geschraubt.<br />Ja wirklich! Offenbar wusste man damals nicht, wie man die Spule anders im Magnetspalt zentrieren sollte - heute macht man das mit einer flexiblen Spinne.</span><br />
<span style="color: #cc0000; font-family: "courier new";">This middle part is screwed to the iron kernal of the electromagnet. Really! Obviosly at that time there was no other way to center the voice coil in the air gap of the magnet. Today this is done by a so called flexible spider. </span><br />
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<span style="font-family: "courier new" , "courier" , monospace;"> Damit die Schwingspule den Lautsprecherkonus also überhaupt bewegen kann, muss dieser Mittelteil flexibel sein. Er wird stark auf Biegung beansprucht und hatte deshalb und wegen seines Alters Risse bekommen. Damit dieser Teil nicht ganz zerbricht, habe ich die Bruchstücke zunächst einmal mit Epoxidkleber fixiert.</span><br />
<span style="font-family: "courier new" , "courier" , monospace;"><span style="color: #cc0000;">In order to make the voice coil able to drive the speaker cone, this middle part must be flexible. It was exposed to heavy flexing and had therefore and because of it's age developed cracks.</span></span><br />
<span style="font-family: "courier new" , "courier" , monospace;"><span style="color: #cc0000;">To prevent the pieces from falling completely apart, I fixed the cracks with epoxy.</span></span><br />
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<tr><td style="text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEir53ANXUVPX_OqWqjecHSDsJYbrCw3ghLVB2by47DSCZZQYGX4StnDD396u0ch0lcc5z-ZYnWPUC893NUy5GN53yn1sVArBCel3CAwDSZeIiBIJpuEHrsorhZ6u3iKEI3TJRfZmrcWKL19/s1600/P1080513-1.JPG" imageanchor="1" style="margin-left: auto; margin-right: auto;"><span style="font-family: "courier new" , "courier" , monospace;"><img border="0" height="151" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEir53ANXUVPX_OqWqjecHSDsJYbrCw3ghLVB2by47DSCZZQYGX4StnDD396u0ch0lcc5z-ZYnWPUC893NUy5GN53yn1sVArBCel3CAwDSZeIiBIJpuEHrsorhZ6u3iKEI3TJRfZmrcWKL19/s1600/P1080513-1.JPG" width="400" /></span></a></td></tr>
<tr><td class="tr-caption" style="text-align: center;"><span style="font-family: "courier new" , "courier" , monospace;">von hinten von vorn</span></td></tr>
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<span style="font-family: "courier new" , "courier" , monospace;">Um dieses Schwingplättchen dann weiter zu stabilisieren, habe ich es von hinten und vorn dünn mit Epoxidkleber ausgegossen. Damit man die Risse nicht mehr sieht, habe ich das Epoxid für vorne dunkelbraun eingefärbt.</span><br />
<span style="color: #cc0000; font-family: "courier new";">To further stabilize it I then cast a thin layer of epoxy on both sids. To make the cracks unvisible from the front, I tinted the epoxy on the front brown.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjvEg0F4Bvb6oBNTi-4SjsWbfacpfnD9EzvT3c2KpxGke9pa9l5OQa7ObIShVt90ru2lnW7GDGAv4oIbezu9MgJ68OZcDNvndFGWhag3OhYmw97hLqDp_6G7o9jFgeitLMWhR-TJqmSMkMk/s1600/P1090023-1.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><span style="font-family: "courier new" , "courier" , monospace;"><img border="0" height="115" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjvEg0F4Bvb6oBNTi-4SjsWbfacpfnD9EzvT3c2KpxGke9pa9l5OQa7ObIShVt90ru2lnW7GDGAv4oIbezu9MgJ68OZcDNvndFGWhag3OhYmw97hLqDp_6G7o9jFgeitLMWhR-TJqmSMkMk/s1600/P1090023-1.jpg" width="400" /></span></a></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Den Rost am Korb belasse ich so, wie er ist. </span><br />
<span style="font-family: "courier new" , "courier" , monospace;">Das ist eben das Alter. </span><br />
<span style="color: #cc0000; font-family: "courier new";">The rust on the chassis will be left as it is.</span><br />
<span style="color: #cc0000; font-family: "courier new";">It's a sign for it's age.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiqDNqWshDmS4hdOnd6RhVpTY0TWw6bc1MBxVEtZ2vTIObJEc7zJ10-M0U_hsAzyPDVt2Mq9TJD_sU7kWh58iMj5oYLEYgEr4uSPjNvGv9llFI8BkTbc26Pm-0jUotwjiKhxeFm5w1JVfKK/s1600/P1090049.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><span style="font-family: "courier new" , "courier" , monospace;"><img border="0" height="312" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiqDNqWshDmS4hdOnd6RhVpTY0TWw6bc1MBxVEtZ2vTIObJEc7zJ10-M0U_hsAzyPDVt2Mq9TJD_sU7kWh58iMj5oYLEYgEr4uSPjNvGv9llFI8BkTbc26Pm-0jUotwjiKhxeFm5w1JVfKK/s1600/P1090049.JPG" width="320" /></span></a></div>
A-baerhttp://www.blogger.com/profile/02377391887987144084noreply@blogger.com1tag:blogger.com,1999:blog-3845783275428802369.post-24175143612275154832016-02-04T05:38:00.000-08:002016-05-17T10:08:47.222-07:00Schaub-Lorenz Music-Center 5001<div style="text-align: center;">
<span style="font-family: "courier new" , "courier" , monospace;">Vor kurzem bekam ich ein Music-Center 5001 von Schaub-Lorenz. </span></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Es wurde in den Jahren 1965-1968 verkauft. </span><br />
<span style="color: red; font-family: "courier new" , "courier" , monospace;">I Recently got a "Music-Center 5001" of Schaub-Lorenz.</span><br />
<span style="color: red; font-family: "courier new" , "courier" , monospace;">It was sold in the years 1965 - 1968.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgbrzDxO10Q8_AAqZuVMqgu5YrKP1sSxd9fBMtqsC93OXUasXbPDKJ1BDOWT1N_hYAjgW3wwW_Qg-tyVmdIEZVoYkNXAE1eIURyL0mPFKd6WvlgsC6DqhLTTnsAlpz4xSwL3X5tJEX5D2L8/s1600/P1110865.JPG" imageanchor="1"><span style="font-family: "courier new" , "courier" , monospace;"><img border="0" height="195" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgbrzDxO10Q8_AAqZuVMqgu5YrKP1sSxd9fBMtqsC93OXUasXbPDKJ1BDOWT1N_hYAjgW3wwW_Qg-tyVmdIEZVoYkNXAE1eIURyL0mPFKd6WvlgsC6DqhLTTnsAlpz4xSwL3X5tJEX5D2L8/s400/P1110865.JPG" width="400" /></span></a></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Dieses Gerät ist eine Rarität und ein echtes Kuriosum.</span><br />
<span style="font-family: "courier new" , "courier" , monospace;"><span style="color: red;">This device is rare and real curiosity.</span></span></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Es ist ein Radio kombiniert mit einem Speichercenter - einem sehr speziellen Tonbandgerät.</span><br />
<span style="font-family: "courier new" , "courier" , monospace;"><span style="color: red;">It is a radio combined with a storae center - a very spacial tape recorder.</span> </span></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Es besitzt ein 10cm breites, nicht wechselbares Band mit 126 Spuren.</span></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Jede Spur spielt 22 Minuten lang. </span><br />
<span style="font-family: "courier new" , "courier" , monospace;"><span style="color: red;">It has a 10cm wide recording tape with 126 tracks which cannot be changed. Each track plays 22 minutes.</span></span><br />
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<span style="font-family: "courier new" , "courier" , monospace;">In Summe stehen also 45 Stunden Aufnahmekapazität zur Verfügung. </span></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Am Ende einer Spur spult das Gerät automatisch in wenigen Sekunden an den Anfang zurück und setzt die Wiedergabe mit der nächsten Spur fort.</span><br />
<span style="font-family: "courier new" , "courier" , monospace;"><span style="color: red;">So in total there is a recording capacity of 45 hours.</span></span><br />
<span style="font-family: "courier new" , "courier" , monospace;"><span style="color: red;">At the end of a track the recorder in only a few seconds rewinds automatically to the beginning and continues the playback with the next track.</span></span><br />
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<span style="font-family: "courier new" , "courier" , monospace;">Während der Wiedergabe kann man die Spur mit dem Spurwähler-Rad frei wählen und natürlich stoppen und unterbrechen.</span><br />
<span style="font-family: "courier new" , "courier" , monospace;"><span style="color: red;">During playback the track can be chosen freely with the big track selector wheel and of course it can be stopped and paused deleberately.</span></span></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Das Innenleben des Speichercenters ist sehr solide und feinmechanisch eindrucksvoll aufgebaut.</span><br />
<span style="font-family: "courier new" , "courier" , monospace;"><span style="color: red;">The interior of the storage center is built very solid - an impressive piece of precision mechanics.</span></span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjfigN3xZilT8fsBz3QAX1Oyb5xRG-D9Q__r-fpxzH7XCb8QPEvYOSNt6c2Ss1rnYfJBCdN-uOwXF_6TJqLVTANqUu49IV6oqG5hezxY9OCa82f_2OC0xawN51bahnoNd3W5ip7l8bmExKU/s1600/P1110857.JPG" imageanchor="1"><span style="font-family: "courier new" , "courier" , monospace;"><img border="0" height="205" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjfigN3xZilT8fsBz3QAX1Oyb5xRG-D9Q__r-fpxzH7XCb8QPEvYOSNt6c2Ss1rnYfJBCdN-uOwXF_6TJqLVTANqUu49IV6oqG5hezxY9OCa82f_2OC0xawN51bahnoNd3W5ip7l8bmExKU/s400/P1110857.JPG" width="400" /></span></a></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Das Gerät war in gutem Zustand, funktionierte allerdings nicht.</span></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Neben defekten Sicherungen und einem Wackelkontakt war es vor allem ein defekter Foto-Widerstand, der die Funktion recht durcheinander gebracht hat.</span><br />
<span style="font-family: "courier new" , "courier" , monospace;"><span style="color: red;">The device was in good condition although it did not work.</span></span><br />
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<span style="font-family: "courier new" , "courier" , monospace;">Eine Ursache waren defekte Sicherungen im Netzteil.</span><br />
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<span style="font-family: "courier new" , "courier" , monospace;"><span style="color: red;">One reason were defective fuses in the power supply.</span></span></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Ein weiterer Grund war ein defekter Fotowiderstand - ein häufiger Fehler bei diesen Geräten. Der Fotowiderstand ist Teil einer Lichtschranke, die das Band bei Rücklauf und Vorlauf abschaltet, sobald das transparente Bandstück an Anfang und am Ende erreicht ist. Ausserdem stösst das Ansprechen dieser Lichtschranke eine ganze Kette von weiteren Schalthandlungen an.</span><br />
<span style="font-family: "courier new" , "courier" , monospace;"><span style="color: red;">Another reason was a defective photo resistor - a common fault in these devices. The photo resistor is part of a light barrier which stops the tape during playback or rewind as soon as the transparent part of the tape is reached. Additionally the triggering of the light barrier initiates a sequence of further switching actions.</span></span></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Zum Glück hat das Gerät eine zusätzliche, mechanische Bandende Abschaltung. Andernfalls wäre das Band von der Rolle gerissen und vermutlich beschädigt worden.</span><br />
<span style="font-family: "courier new" , "courier" , monospace;"><span style="color: red;">Fortunately the music center has an additional mechanical stop-device. Otherwise the tape would have been torn from the bobbin and damaged.</span></span><br />
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<span style="font-family: "courier new" , "courier" , monospace;">Dieser Fotowiderstand hatte seine Lichtempfindlichkeit völlig verloren. </span><span style="font-family: "courier new" , "courier" , monospace;">Man sieht im folgenden Bild, dass sich die kammartig ineinandergreifenden Kontakte teilweise zersetzt haben:</span></div>
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<span style="font-family: "courier new" , "courier" , monospace;"><span style="color: red;">This photoresistor had lost it's photo-sensitivity completely.</span></span><br />
<span style="font-family: "courier new" , "courier" , monospace;"><span style="color: red;">The next picture shows that it's comb-like interlaced contacts decomposed partly.</span></span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjGzJX_JX2y4DV4mb13Kwb8Nf06QKD_0pLo2-ov2-OmliBx0CpkhJFzGEvEWCnM1ZhQgTei4R2X54b4mVD3N8aEEv5NI1jG5WX0UcTGAptot799eJ7muOAn7Y1DcTSHAo5mTFsE6hCj3-s-/s1600/Der+Defekte+2.JPG" imageanchor="1"><span style="font-family: "courier new" , "courier" , monospace;"><img border="0" height="300" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjGzJX_JX2y4DV4mb13Kwb8Nf06QKD_0pLo2-ov2-OmliBx0CpkhJFzGEvEWCnM1ZhQgTei4R2X54b4mVD3N8aEEv5NI1jG5WX0UcTGAptot799eJ7muOAn7Y1DcTSHAo5mTFsE6hCj3-s-/s400/Der+Defekte+2.JPG" width="400" /></span></a></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Ein neuer LDR (light dependent resistor) wurde eingebaut und schon funktionierte alles wieder wie vorgesehen:</span><br />
<span style="font-family: "courier new" , "courier" , monospace;"><span style="color: red;">A new LDR (light dependent resistor) was inserted and immediately everything worked as designed</span></span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgmdqypshtykRtbDiQLUBpZBFfU5XgkK6jdZXGR7ElTyf8RmlJts8hxNzBKCZ5DZZvW72qHBWP3ngTiq20vumT55PBEBsCUyDc1eeZITA-BpHAU969uJTGSy3C4qa2kU1BN_SndJ3ik7Dr9/s1600/Der+Neue+3.JPG" imageanchor="1"><span style="font-family: "courier new" , "courier" , monospace;"><img border="0" height="300" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgmdqypshtykRtbDiQLUBpZBFfU5XgkK6jdZXGR7ElTyf8RmlJts8hxNzBKCZ5DZZvW72qHBWP3ngTiq20vumT55PBEBsCUyDc1eeZITA-BpHAU969uJTGSy3C4qa2kU1BN_SndJ3ik7Dr9/s400/Der+Neue+3.JPG" width="400" /></span></a></div>
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<span style="font-family: "courier new" , "courier" , monospace;">Im folgenen Video werden die Grundfunktionen des Gerätes gezeigt:</span><br />
<span style="font-family: "courier new" , "courier" , monospace;"><span style="color: red;">The following video shows the basic functions of the device:</span></span><br />
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<span style="color: magenta; font-family: "courier new" , "courier" , monospace;"><a href="https://youtu.be/BpywnImT0Y4" target="_blank"><b>This Schaub-Lorenz Music-Center 5001 on Youtube</b></a></span></div>
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A-baerhttp://www.blogger.com/profile/02377391887987144084noreply@blogger.com0tag:blogger.com,1999:blog-3845783275428802369.post-16103171137586790272015-06-29T13:56:00.000-07:002015-06-29T13:56:34.859-07:00American Organette from the 1880's<div class="separator" style="clear: both; text-align: center;">
<span style="font-family: "Courier New", Courier, monospace;">Vor ein paar Jahren habe ich auf einem Flohmarkt in Südfrankreich einen Karton mit Teilen eines alten Musikgerätes gekauft.</span></div>
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<span style="font-family: Courier New;">Da gab es diese Grundplatte mit der Kurbel und dem darunter liegenden Blasebalg. </span></div>
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<span style="color: red; font-family: Courier New;">Some years ago on a flea market in southern France I bought a cardbord box with parts of an old music machine. There was this base with a crank handle and the bellows below.</span> </div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiWcpB6nkZ5TBZekxDMyy88_bkqgiXxaacTAt1Ogcxp5qoyKB3-yCEP34wl5YQEyWzsPESQ5EuGQW3TB0UcyZnf0P8vsVyf5ZLoMY7wD_13BCwr-oE5dXZekuad3TaMRJFZiohKGqeGoTNm/s1600/P1090958_Bildgr%C3%B6%C3%9Fe+%C3%A4ndern.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="330" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiWcpB6nkZ5TBZekxDMyy88_bkqgiXxaacTAt1Ogcxp5qoyKB3-yCEP34wl5YQEyWzsPESQ5EuGQW3TB0UcyZnf0P8vsVyf5ZLoMY7wD_13BCwr-oE5dXZekuad3TaMRJFZiohKGqeGoTNm/s400/P1090958_Bildgr%C3%B6%C3%9Fe+%C3%A4ndern.JPG" width="400" /></a></div>
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<span style="font-family: Courier New;">In der Mitte über dem Schlitz sass das folgende Tonerzeugungsteil mit der Andruckrolle. Hinter den 14 Löchern befinden sich 14 Stimmzungen (englisch: reeds) wie man sie in einer Mundharmonika oder auch in einem Akkordeon findet.</span> </div>
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<span style="color: red; font-family: Courier New;">In the middle across the slot the tone unit with the pinch roller was located. Behind the 14 holes there are 14 reeds like those you find in a harp or an accordion.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjXp6QIp8IX68gdafy4ifaUjwZ5KEJZPyDrBVcMkaP1HrMZtfiMnONlMWA6Omnet4nOej6TtNlvpnBwfwHnv_cL1nEBSaZdXWb9bA-6aqLliRrX73oSMqLXw2MeZICLXrwKkJEILFvkEK35/s1600/P1090963_Bildgr%C3%B6%C3%9Fe+%C3%A4ndern.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="333" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjXp6QIp8IX68gdafy4ifaUjwZ5KEJZPyDrBVcMkaP1HrMZtfiMnONlMWA6Omnet4nOej6TtNlvpnBwfwHnv_cL1nEBSaZdXWb9bA-6aqLliRrX73oSMqLXw2MeZICLXrwKkJEILFvkEK35/s400/P1090963_Bildgr%C3%B6%C3%9Fe+%C3%A4ndern.JPG" width="400" /></a></div>
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<span style="font-family: Courier New;">Der Blasebalg besteht aus zwei Teilen, die durch die Hebel abwechselnd betätigt werden und so kontinuierlich Luft durch die Stimmzungen saugen.</span></div>
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<span style="color: red; font-family: Courier New;">The bellows consists of two parts which are operated in turns thus sucking continously air through the reeds.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjW6lbEjmXhbHPf9IZwEZwN6BYDE93sVbZlAnD87y4tPrD-AHxX4QwQbgER1sKCgzad6muzXa-5e6RnkEAfOuF_Io7aANwzEYdMRg4KBYlyB-ArLg8TMGAwqzhkDivjlsWXxMSCv3Bty4X2/s1600/P1090959_Bildgr%C3%B6%C3%9Fe+%C3%A4ndern.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="300" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjW6lbEjmXhbHPf9IZwEZwN6BYDE93sVbZlAnD87y4tPrD-AHxX4QwQbgER1sKCgzad6muzXa-5e6RnkEAfOuF_Io7aANwzEYdMRg4KBYlyB-ArLg8TMGAwqzhkDivjlsWXxMSCv3Bty4X2/s400/P1090959_Bildgr%C3%B6%C3%9Fe+%C3%A4ndern.JPG" width="400" /></a></div>
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<span style="font-family: Courier New;">Mit dabei waren ebenfalls zwei "Tonbänder" mit je einem Musikstück</span></div>
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<span style="color: red; font-family: Courier New;">Part of the set were also two Music tapes each with a piece of music.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjS0N5gSuIXYNnnL-70Z7mQPlNFXw3Fuhex0fyLrIwaif38bg4IL8FI9CLCJUZHfPM_QScWJE0oNfE4-RjfLccHClujdED1BqS0syBL9LuOUcMr5BIRffl0h7U2pctTxnvT22KC1dOJnP6u/s1600/P1090957_Bildgr%C3%B6%C3%9Fe+%C3%A4ndern.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="300" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjS0N5gSuIXYNnnL-70Z7mQPlNFXw3Fuhex0fyLrIwaif38bg4IL8FI9CLCJUZHfPM_QScWJE0oNfE4-RjfLccHClujdED1BqS0syBL9LuOUcMr5BIRffl0h7U2pctTxnvT22KC1dOJnP6u/s400/P1090957_Bildgr%C3%B6%C3%9Fe+%C3%A4ndern.JPG" width="400" /></a></div>
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<span style="font-family: Courier New;">Die Grundplatte war auf einen Rahmen geschraubt, von dem aber nur noch drei Seiten und eine Ecke vorhanden waren.</span></div>
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<span style="color: red; font-family: Courier New;">The base plate had been mounted to a frame of which fortunately three sides and one leg were preserved.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhmTdwR-gNCCzfiujZRtcKYlNJoTXkN4KuuqP_oeRBaVXr5EJIFYCKHqtbggNhIbdPgAeUHcS_gj8pEk8aYN107AZ1oY7NfDBTXzTt1CblpNL4AeIKLn2SSIXHgHe6v17uXau7ZiBdF5W6c/s1600/P1030654.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="152" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhmTdwR-gNCCzfiujZRtcKYlNJoTXkN4KuuqP_oeRBaVXr5EJIFYCKHqtbggNhIbdPgAeUHcS_gj8pEk8aYN107AZ1oY7NfDBTXzTt1CblpNL4AeIKLn2SSIXHgHe6v17uXau7ZiBdF5W6c/s400/P1030654.JPG" width="400" /></a></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjXp6QIp8IX68gdafy4ifaUjwZ5KEJZPyDrBVcMkaP1HrMZtfiMnONlMWA6Omnet4nOej6TtNlvpnBwfwHnv_cL1nEBSaZdXWb9bA-6aqLliRrX73oSMqLXw2MeZICLXrwKkJEILFvkEK35/s1600/P1090963_Bildgr%C3%B6%C3%9Fe+%C3%A4ndern.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"></a> </div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjQQLTm3CqPyjCX0q7PLaV_7EG82JIcqZPfU3VXJI5DpKzA9ri8nYEARliFl-9aw8URR3MTTMN1iCItAwy02kXz0iNM5GgIb3rpTDHJQieWX-gWQXASY0wuDsVMm15ecLaAgN6KctYKGUXd/s1600/P1090669-1_Bildgr%C3%B6%C3%9Fe+%C3%A4ndern.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"></a><span style="font-family: Courier New;">Auf dem Blasebalg klebte eine Anleitung, die einen Hinweis auf Art und Herkunft dieses Geräts gibt: Es handelt sich um eine Organette der englischen Firma Louis H. Hart in London. Die Aufschrift auf dem Tonerzeugungsteil legt die Vermutung nahe, dass es sich um eine "American Organette" handelt.</span></div>
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<span style="color: red; font-family: Courier New;">An instruction was sticking on the bellows case giving a hint to type and origin of the device: it was an Organette of the english Company Louis H. Hart in London. The inscription on the tone unit suggests that it is an "American Organette". </span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjEvS1ArY8B9Gl9fMRtaCE6Aklk0Rsf8AWJx3DzVLYWSJX0QOLDJDLp5AGrHQQNZaSxd-XhMyEVu-SB9szucxvimz6aRTlAAueirsvmXxMqowh3C1b5q3PsJuETzToGd4GeaBeF0NYCMi4C/s1600/P1030650_Bildgr%C3%B6%C3%9Fe+%C3%A4ndern.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="321" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjEvS1ArY8B9Gl9fMRtaCE6Aklk0Rsf8AWJx3DzVLYWSJX0QOLDJDLp5AGrHQQNZaSxd-XhMyEVu-SB9szucxvimz6aRTlAAueirsvmXxMqowh3C1b5q3PsJuETzToGd4GeaBeF0NYCMi4C/s400/P1030650_Bildgr%C3%B6%C3%9Fe+%C3%A4ndern.jpg" width="400" /></a></div>
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<span style="font-family: Courier New;">Im Internet fand ich eine englische Zeitungsseite vom 10. Dezember 1881, auf der für diese Art von Musikinstrument geworben wird.</span></div>
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<span style="color: red; font-family: Courier New;">On the Internet I found a page of an english jounal dated 10th of december 1881, advertizing this kind of instrument.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj2Y_pTtCxSR4344c0VomssiTLzodnfqMxakQZU78uPvqaKeJ2j1_ZJ6KU1svmMWMmSsqWHOmuBhqGWovBCa32BJpSQEJeYst0DAsgrjm-xnQeWi50QZNDsyfrA5Mm0yoqHwYinIXRlY47U/s1600/Annonce+1881+ebay+350665993983.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="307" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj2Y_pTtCxSR4344c0VomssiTLzodnfqMxakQZU78uPvqaKeJ2j1_ZJ6KU1svmMWMmSsqWHOmuBhqGWovBCa32BJpSQEJeYst0DAsgrjm-xnQeWi50QZNDsyfrA5Mm0yoqHwYinIXRlY47U/s400/Annonce+1881+ebay+350665993983.jpg" width="400" /></a></div>
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<span style="font-family: Courier New;">Die Seite eines amerikanischen Auktionshauses zeigt den Verkauf eines sehr ähnlichen Gerätes im Jahr 2009:</span></div>
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<span style="color: red; font-family: Courier New;">The page of an american auction site shows the sale of a similar device in the year 2009:</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjUk-hHJdmAqZAJLwHm0LvDU8YhuN3If7A5CJr11CW8qQKRQ0J4YQtZ8yHCfkhQsNfKRSl_lt6r0_Q3EOLXeM8VfhnV7fLwpnYeE2_s2qZdwoTVra8JtuvCpDF7Mhbrw1m8k1i28xPaGhc7/s1600/annonce+at+icollectors+dot+com+400+dollar.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="223" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjUk-hHJdmAqZAJLwHm0LvDU8YhuN3If7A5CJr11CW8qQKRQ0J4YQtZ8yHCfkhQsNfKRSl_lt6r0_Q3EOLXeM8VfhnV7fLwpnYeE2_s2qZdwoTVra8JtuvCpDF7Mhbrw1m8k1i28xPaGhc7/s400/annonce+at+icollectors+dot+com+400+dollar.jpg" width="400" /></a></div>
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<span style="font-family: Courier New;">Interessanterweise trägt es dieselben goldenen Verzierungsmuster wie meine "Ruine".</span> </div>
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<span style="color: red; font-family: Courier New;">Interesting enough it carries the same golden ornaments as my "ruin".</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiJLrrtrCMxJfM0y4IHt-t3DEDG9JqEOhO6D36OPqZuYy2jbOspemF0BloISWGmmsTILw_nTrb41rdtxWNt71MfvFcxlUKMlD2hD7tI-na7WsDuVs7oXCS2XX7LkIHU43u0nbfEOv09T0j_/s1600/American+Orguinette+von+page+icollector+dot+com+01.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="366" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiJLrrtrCMxJfM0y4IHt-t3DEDG9JqEOhO6D36OPqZuYy2jbOspemF0BloISWGmmsTILw_nTrb41rdtxWNt71MfvFcxlUKMlD2hD7tI-na7WsDuVs7oXCS2XX7LkIHU43u0nbfEOv09T0j_/s400/American+Orguinette+von+page+icollector+dot+com+01.jpg" width="400" /></a></div>
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<span style="font-family: Courier New;">Ausserdem fand ich im Internet einen siebenseitigen amerikanischen "Catalog of Music" für diese Art von 14-reed Instruments aus dem Januar 1885. </span><span style="font-family: Courier New;">Der Preis der Musikbänder richtet sich nach ihrer Länge und wird in "Cents per foot" angegeben.</span> </div>
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<span style="color: red; font-family: Courier New;">Also on internet I found a seven-sided american "Catalog of Music" for this kind of 14-reed instrument form january 1885. The music tapes were priced according to length and given in "Cents per foot".</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjUk-hHJdmAqZAJLwHm0LvDU8YhuN3If7A5CJr11CW8qQKRQ0J4YQtZ8yHCfkhQsNfKRSl_lt6r0_Q3EOLXeM8VfhnV7fLwpnYeE2_s2qZdwoTVra8JtuvCpDF7Mhbrw1m8k1i28xPaGhc7/s1600/annonce+at+icollectors+dot+com+400+dollar.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"></a> </div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhk680qSocTrZCRStUWqIcOaDja0pmyAjrn9JrRX6-2eh8N0c7rhGbiVwN-dJh9pMS5ZC3tTo3iTUeVDnyVgFbw5oWWJAfJiH0k91Drp0aPfl-y3JeHIwiRqeqd5UpY8QGJFik7dTrkvnj5/s1600/orguinette_1.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="400" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhk680qSocTrZCRStUWqIcOaDja0pmyAjrn9JrRX6-2eh8N0c7rhGbiVwN-dJh9pMS5ZC3tTo3iTUeVDnyVgFbw5oWWJAfJiH0k91Drp0aPfl-y3JeHIwiRqeqd5UpY8QGJFik7dTrkvnj5/s400/orguinette_1.jpg" width="308" /></a></div>
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<span style="font-family: Courier New;">Das waren die Musik-Konserven des 19ten Jahrhundert. Es gab ja noch keinen Rundfunk und keine Schallplatte. </span></div>
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<span style="color: red; font-family: Courier New;">This was the canned Music of the 19th century. Broadcast and music records were not yet available.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi9RioCY3kGggu_ZUujxVxt53DXuEMXNFnDrJXKL7yuZwjE3MZ4mqA-5XMoBpsh_yQNaRWoWLbWxGn7Nrv1H_3y0YHHtZqTFOMp-O8p5TLlhErIo_Z1eZLoFzr4RgEKgsxyvZobuM_zomwx/s1600/orguinette_2.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="216" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi9RioCY3kGggu_ZUujxVxt53DXuEMXNFnDrJXKL7yuZwjE3MZ4mqA-5XMoBpsh_yQNaRWoWLbWxGn7Nrv1H_3y0YHHtZqTFOMp-O8p5TLlhErIo_Z1eZLoFzr4RgEKgsxyvZobuM_zomwx/s400/orguinette_2.jpg" width="400" /></a></div>
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<span style="font-family: Courier New;">Zur Vorbereitung der Restauration hatte ich mich schon einmal mit dem Restaurator eines Musikautomatenmuseums unterhalten und von ihm wertvolle Tipps bekommen. So zum Beispiel, dass das Gummituch des Blasebalgs ersetzt werden muss, ebenso wie die Lederdichtungen der Ventile und der Gummibelag der Transportwelle. </span></div>
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<span style="font-family: Courier New;">Auch einen Abschnitt Gummituch hatte ich mir schon besorgt.</span></div>
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<span style="color: red; font-family: Courier New;">As preparation to the restoration I had visited the restaurator of a museum for music automata who had given me valuable tips. For example he told me that the rubber cloth of the bellows had to be replaced as well as the leather seals of the valves and the rubber coating of the transport shaft.</span></div>
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<span style="color: red; font-family: Courier New;">He also gave me a sample of the required rubber cloth.</span></div>
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<span style="font-family: Courier New;">Aber jetzt habe ich endlich mit der schrittweisen Restauration begonnen. Erster Schritt: Rekonstruktion des Rahmens.</span></div>
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<span style="font-family: Courier New;">Hier die noch vorhandenen Teile und das Rohmaterial für die Ersatzteile.</span></div>
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<span style="color: red; font-family: Courier New;">So now finally I started with the piecewise restauration. First step: reconstruction of the frame. Here are the parts still existing and the raw material for the spare parts.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjEvS1ArY8B9Gl9fMRtaCE6Aklk0Rsf8AWJx3DzVLYWSJX0QOLDJDLp5AGrHQQNZaSxd-XhMyEVu-SB9szucxvimz6aRTlAAueirsvmXxMqowh3C1b5q3PsJuETzToGd4GeaBeF0NYCMi4C/s1600/P1030650_Bildgr%C3%B6%C3%9Fe+%C3%A4ndern.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"></a><br />
<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjBwc8utepSiBHS_oClR2qHXB1QOnl_WhdSZO8ljTOG7X__k8mlSBpC9fygwxse6YQJCVEgDCYMaNhD3I2_QR1JcnoKINocf6swy8_QS88L2roVHLF-0UOTucND5hDxzy6TwkaH1zJAdbZt/s1600/P1030654_Bildgr%C3%B6%C3%9Fe+%C3%A4ndern.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"></a><br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjQQLTm3CqPyjCX0q7PLaV_7EG82JIcqZPfU3VXJI5DpKzA9ri8nYEARliFl-9aw8URR3MTTMN1iCItAwy02kXz0iNM5GgIb3rpTDHJQieWX-gWQXASY0wuDsVMm15ecLaAgN6KctYKGUXd/s1600/P1090669-1_Bildgr%C3%B6%C3%9Fe+%C3%A4ndern.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="160" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjQQLTm3CqPyjCX0q7PLaV_7EG82JIcqZPfU3VXJI5DpKzA9ri8nYEARliFl-9aw8URR3MTTMN1iCItAwy02kXz0iNM5GgIb3rpTDHJQieWX-gWQXASY0wuDsVMm15ecLaAgN6KctYKGUXd/s400/P1090669-1_Bildgr%C3%B6%C3%9Fe+%C3%A4ndern.jpg" width="400" /></a></div>
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<span style="font-family: Courier New;">Hier nun die vier fertigen Füsse nach ihrer Lackierung.</span></div>
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<span style="color: red; font-family: Courier New;">Here are the four feet after varnishing.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgs1CaUAk6pWDR34SiSdl6QGsTAwYIZ4urRlU9gRNaSjMRv88MxiFgQYELoY30Hqy2Z2RhChYg4wujtdZ0pLuW3fR1Vk-857MM-hf5G66At1Q6EuRBrS89khbQJ48ciqlRyrUqGgyEUlRyU/s1600/P1090921_Bildgr%C3%B6%C3%9Fe+%C3%A4ndern.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="400" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgs1CaUAk6pWDR34SiSdl6QGsTAwYIZ4urRlU9gRNaSjMRv88MxiFgQYELoY30Hqy2Z2RhChYg4wujtdZ0pLuW3fR1Vk-857MM-hf5G66At1Q6EuRBrS89khbQJ48ciqlRyrUqGgyEUlRyU/s400/P1090921_Bildgr%C3%B6%C3%9Fe+%C3%A4ndern.JPG" width="265" /></a></div>
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<span style="font-family: Courier New;">Im nächsten Bild sieht man die neue Seitenwand vor dem Aufbringen des Ornaments.</span><br />
<span style="color: red; font-family: Courier New;">The next picture shows the new side before applying the ornament.</span><br />
<span style="font-family: Courier New;"></span><br />
<span style="font-family: Courier New;">Den richtigen Farbton zu treffen erwies sich als schwieriger als gedacht.</span><br />
<span style="font-family: Courier New;"><span style="color: red;">To meet the right colour turned out to be more difficult than I had expected.</span> </span></div>
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<span style="font-family: Courier New;">Zunächst habe ich versucht, die Farbe durch Mischen verschiedener Holzbeizen zu treffen, aber das führte trotz zahlreicher Vorversuche nicht zum Ziel. Das Holz wird durch die Beize zunächst nass, dann ist der Farbton dunkel, wenn die Beize getrocknet ist, ist er wieder deutlich heller, wenn das Holz dann lackiert wird, wird der Ton wieder dunkler, aber anders dunkel als mit nasser Beize - das alles ist auch noch vom Holz abhängig und in den dunklen und hellen Jahresringen auch noch verschieden. </span><span style="font-family: Courier New;">Das Endergebnis sieht man erst, wenn die Lackschicht aufgebracht ist, und wenn dann der Ton zu dunkel ist, kann man nichts mehr ändern.</span><br />
<span style="color: red; font-family: Courier New;">At first I tried to meet it by mixing different wood stain colours. However this was not successful. When the wood gets wet by the stain, the tone is dark. When it dries, the tone is lighter again and when it is varnished, it gets darker again, but different dark as in the wetted state. In Addition all this depends on the type of wood and is different in the different tree-rings. The final result cannot be seen but at the end, and then nothing can be changed any more.</span></div>
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<span style="font-family: Courier New;">Wenn der Farbton dagegen zu hell ist, kann man dem Klarlack tupferweise braune und schwarze Farbe zugeben und so die Farbe insgesamt recht genau treffen. Und der Farbton ändert sich dann auch nicht mehr - WYSIWYG sozusagen. Man muss also etwas zu hell beizen und den Feinabgleich der Farbe dann mit dem Lack machen.</span><br />
<span style="color: red; font-family: Courier New;">If the tone however is too light, it is possible to add brushwise brown and black colour to the clear varnish thus meeting the colour rather prcisely. And then the tone does not change any more - WYSIWYG so to speak. So the trick is to tint the wood a little bit too light and then fine-tuning the colour by pigmenting the clear varnish.</span><br />
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<span style="font-family: Courier New;">Wenn man sich die alten Seitenteile genauer anschaut, stellt man fest, dass bei der Herstellung wahrscheinlich auch schon so gearbeitet wurde.</span><br />
<span style="color: red; font-family: Courier New;">Looking closely at the old sides I have the impression that probably that was the way how it was produced.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg3MJXcudHPcl8PW2juSo1qn0RMvuBUY7_zcGd6my4O2yQ6tb_CQJWEke-RPOVMql3HV7M8_YNALwtMuZI1_oEWRlQXZxL8znUD376JW2k62D6KTuEPpAJ2XvWJl5-C8Gvsq959VUoJJ3pE/s1600/P1090929_Bildgr%C3%B6%C3%9Fe+%C3%A4ndern.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="400" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg3MJXcudHPcl8PW2juSo1qn0RMvuBUY7_zcGd6my4O2yQ6tb_CQJWEke-RPOVMql3HV7M8_YNALwtMuZI1_oEWRlQXZxL8znUD376JW2k62D6KTuEPpAJ2XvWJl5-C8Gvsq959VUoJJ3pE/s400/P1090929_Bildgr%C3%B6%C3%9Fe+%C3%A4ndern.JPG" width="260" /></a></div>
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<span style="font-family: Courier New;">Jetzt wird die Oberfläche noch einmal fein angeschliffen und dann das Ornament kopiert und aufgemalt.</span></div>
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<span style="color: red; font-family: Courier New;">Now the surface will be sanded slightly to prepare it for copying and painting the ornament.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjS0N5gSuIXYNnnL-70Z7mQPlNFXw3Fuhex0fyLrIwaif38bg4IL8FI9CLCJUZHfPM_QScWJE0oNfE4-RjfLccHClujdED1BqS0syBL9LuOUcMr5BIRffl0h7U2pctTxnvT22KC1dOJnP6u/s1600/P1090957_Bildgr%C3%B6%C3%9Fe+%C3%A4ndern.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"></a> </div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg-LGeciFYOCpVfIELLtqqy0D5HlxiVea0hyphenhyphenUlBIBINSV9sNFXz-0OqOMS2sbbjSXrfk7Qput24NZqGV2Ptd41trDQ234d_b4_IatDdqj8X3ySiudV1es02g2ungIbTeKP2zg6_z7OCJkrx/s1600/P1090969_Bildgr%C3%B6%C3%9Fe+%C3%A4ndern.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="300" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg-LGeciFYOCpVfIELLtqqy0D5HlxiVea0hyphenhyphenUlBIBINSV9sNFXz-0OqOMS2sbbjSXrfk7Qput24NZqGV2Ptd41trDQ234d_b4_IatDdqj8X3ySiudV1es02g2ungIbTeKP2zg6_z7OCJkrx/s400/P1090969_Bildgr%C3%B6%C3%9Fe+%C3%A4ndern.JPG" width="400" /></a></div>
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<span style="font-family: Courier New;">Anschliessend kann der Rahmen verleimt und anschliessend alles noch einmal mit Klarlack lackiert werden.</span></div>
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<span style="font-family: Courier New;">Und dann geht es an den Blasebalg.</span></div>
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<span style="color: red; font-family: Courier New;">Afterwards the frame can be glued together again and finally treated with clear varnish. </span></div>
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<span style="font-family: Courier New;">Fortsetzung folgt.</span></div>
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<span style="color: red; font-family: Courier New;">To be continued.</span></div>
<br />A-baerhttp://www.blogger.com/profile/02377391887987144084noreply@blogger.com0tag:blogger.com,1999:blog-3845783275428802369.post-55096869839149598762015-06-21T00:44:00.001-07:002015-06-21T00:44:28.335-07:00Bailey Hobel No6 - Bailey Bench Plane No6<div class="separator" style="clear: both; text-align: center;">
<span style="font-family: "Courier New", Courier, monospace;">Vor einigen Jahren erstand ich auf einem Flohmarkt in Südfrankreich einen alten Hobel mit der Aufschrift "Bailey No 6".</span></div>
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<span style="font-family: Courier New;">Er war stark verrostet und verschmutzt und die schwarze Farbe war zum Teil abgesprungen.</span></div>
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<span style="color: red; font-family: Courier New;">Some years ago I bought an old bench plane on a flea market in southern France. It had written "Bailey No 6" written on it.</span></div>
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<span style="color: red; font-family: Courier New;">It was very dirty and rusty and the black varnish was partly flaked off.</span></div>
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<span style="font-family: Courier New;">Nach dem Entrosten und einem neuen Anstrich sah er wieder recht edel aus.</span></div>
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<span style="color: red; font-family: Courier New;">After derusting and a new painting it looked quite prescious again.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi7FZPlvcq0SGmElOA7rLjTOkgH-No-eCK6pPSKQFABHjGo86g6oRoOo5k0JmPgryegdjy_WD9sfqnN_M8rhG77r4aCuO8cgmLk8NwCU1CVCyt4nn_t0iYwC3YAerE3EUEt3vq0T1qeZBYO/s1600/P1090988.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="300" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi7FZPlvcq0SGmElOA7rLjTOkgH-No-eCK6pPSKQFABHjGo86g6oRoOo5k0JmPgryegdjy_WD9sfqnN_M8rhG77r4aCuO8cgmLk8NwCU1CVCyt4nn_t0iYwC3YAerE3EUEt3vq0T1qeZBYO/s400/P1090988.JPG" width="400" /></a></div>
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<span style="font-family: Courier New;">Es ist ein grosser Hobel: 455mm lang, 75 mm breit.</span></div>
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<span style="font-family: Courier New;">Eine sogenannte Rauhbank. Er diente dazu, grosse Flächen plan zu hobeln. Der </span><span style="font-family: Courier New;">massive Gusseisenkörper hat aber auch genau rechtwinkelige Seitenflächen. Er kann daher auch mit der Seite auf der Werkbank geführt werden und so die Seiten von Brettern rechtwinkelig hobeln. </span></div>
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<span style="color: red; font-family: Courier New;">It is a big plane: 455mm long, 75mm wide. A so called jointer plane. It was used to flatten big areas. In addition the massive body of cast iron has sides which are precisely at right angles to the bottom. So it can also be used to make the small sides of boards rectangular.</span></div>
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<span style="font-family: Courier New;">Eine sehr gut durchdachte und praktische Feinjustierung des Hobelmessers in der Tiefe, der Neigung nach vorn und der Neigung zur Seite sowie schöne Rosenholzgriffe runden den guten Eindruck ab.</span></div>
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<span style="color: red; font-family: Courier New;">A sophisticated and practical fine-adjustment mechanism allows the plane blade to be adjusted in depth and in tilt forward and sideways. Rosewood handles complete the good Impression.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiHzrXA2U0LBcVtEYwr3mLD3-V-o-g_Ypr4uRADHDmGoo-HAxzzj-lpzYIu8qbRPyKcQ4PAbex1v628QrphdtcDTMMmMsejy6_oQsgK7EfIgwIXjzRoCCQEJssWPoJs_6g3V-ZW8hiX4zi-/s1600/P1090990.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="300" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiHzrXA2U0LBcVtEYwr3mLD3-V-o-g_Ypr4uRADHDmGoo-HAxzzj-lpzYIu8qbRPyKcQ4PAbex1v628QrphdtcDTMMmMsejy6_oQsgK7EfIgwIXjzRoCCQEJssWPoJs_6g3V-ZW8hiX4zi-/s400/P1090990.JPG" width="400" /></a></div>
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<span style="font-family: "Courier New", Courier, monospace;">Dieser hochwertige Hobel hat eine sehr lange Geschichte.</span></div>
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<span style="font-family: Courier New;">Eigentlich stammt er von der Firma Stanley, die 1843 von Frederik Stanley in Connecticut gegründet wurde.</span></div>
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<span style="font-family: Courier New;"><span style="font-family: "Arial","sans-serif";"><span style="font-family: "Courier New", Courier, monospace;">Bailey war der Erfinder dieses Hobels, der über viele Jahre eine Cash Cow des Unternehmens war. Daher wurde in einigen Serien zu Ehren des Erfinders der Name Bailey in den Eisenkörper gegossen</span>.</span></span></div>
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<span style="color: red; font-family: Courier New;">This top quality plane has a very long history.</span></div>
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<span style="color: red; font-family: Courier New;">It was actually produced by "Stanley", a company founded in 1843 by Frederic Stanley in Connecticut.</span></div>
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<span style="color: red; font-family: Courier New;">Bailey was the man who developed this plane, which over many years was the cash cow of the company. Therefore in Mr. Bailey's honour his name war cast into the plane body in some series.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiSQelf3OmUvxhtr-skgFQYfx9j7c3-ZYwHuaOHGPZzMcjMAQWSZg03aoc3HApiF2ofJLZMfH_xq1_GzkMy5mWljab2XZy9bbHWyl24E-JH1407gAFePGtoehQxapkLMeJb6WgNy1IS_Xz9/s1600/P1090873.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="275" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiSQelf3OmUvxhtr-skgFQYfx9j7c3-ZYwHuaOHGPZzMcjMAQWSZg03aoc3HApiF2ofJLZMfH_xq1_GzkMy5mWljab2XZy9bbHWyl24E-JH1407gAFePGtoehQxapkLMeJb6WgNy1IS_Xz9/s400/P1090873.JPG" width="400" /></a></div>
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<span style="font-family: "Arial","sans-serif";"><span style="font-family: "Courier New", Courier, monospace;">Anhand der ebenfalls hinter dem sogenannten "Frosch" eingegossenen Patentinformationen kann man mit Hilfe von<span style="color: #6fa8dc;"> </span><a href="http://www.hyperkitten.com/tools/stanley_bench_plane/type_study.php" target="_blank"><span style="color: #6fa8dc;">Internetquellen </span></a>nachvollziehen, dass dieser Hobel zwischen 1910 und 1918 hergestellt </span><span style="font-family: "Courier New", Courier, monospace;">wurde.</span></span></div>
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<span style="color: red; font-family: Courier New;">From the patent information also cast into the body behind the frog and with the aid of <a href="http://www.hyperkitten.com/tools/stanley_bench_plane/type_study.php" target="_blank"><span style="color: #6fa8dc;">internet sources</span></a> it could be concluded that this plane was produced between 1910 and 1918.</span></div>
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<span style="font-family: "Arial","sans-serif";"><span style="font-family: "Courier New", Courier, monospace;">Die Firma Stanley gibt es übrigens noch heute.</span></span></div>
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<span style="font-family: "Arial","sans-serif";"><span style="font-family: "Courier New", Courier, monospace;">Sie ist Teil des Stanley-Black&Decker Konzerns, zu dem mittlerweile etliche renommierte Unternehmen gehören - so z.B. die Firma DeWalt und auch die ehemals schweizerische Firma Lista, von der ich die hochwertigen Werkzeugschränke habe. </span></span><br />
<span style="color: red; font-family: Courier New;">The company Stanley still exists. It is part of the Stanley-Black&Decker holding, which today houses several well renowned companies like DeWalt and the formely Swiss company Lista, from which I have some high quality tool cabinets.</span></div>
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<span style="font-family: "Arial","sans-serif";"><span style="font-family: Courier New;">Die Firma Black&Decker ist übrigens fast so alt wie Stanley. </span></span><span style="font-family: "Arial","sans-serif";"><span style="font-family: Courier New;">Sie wurde </span></span><span style="font-family: "Arial","sans-serif";"><span style="font-family: "Courier New", Courier, monospace;">1910 von Duncan Black & Alonzo Decker in Maryland gegründet.</span></span></div>
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<span style="font-family: "Arial","sans-serif";"><span style="font-family: "Courier New", Courier, monospace;">Von Black&Decker kamen in den 1960er Jahren in Deutschland die </span><span style="font-family: "Courier New", Courier, monospace;">ersten brauchbaren und erschwinglichen Heimwerkermaschinen. Eine Black&Decker Bohrmaschine aus dieser Zeit ist noch heute in unserer Familie in Betrieb. Wir sollten sie als historisches Gerät in Ehren halten.</span></span><br />
<span style="color: red; font-family: Courier New;">The company Black&Decker incidentally is almost as old as Stanley. It was founded 1910 by Duncan Black & Alonzo Decker in Maryland.</span><br />
<span style="color: red; font-family: Courier New;">The first do-it-yourself machines which appeared on the German market in the 1960ies were from Black&Decker. A B&D drill of that time ist still in operation in our family. We should esteem it as historical device.</span></div>
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<span style="font-family: "Arial","sans-serif";"><span style="font-family: Courier New;">Die Fusion von Stanley und Black&Decker fand im Jahr 2010 statt.</span></span><br />
<span style="color: red; font-family: Courier New;">The fusion of Stanley and Black&Decker took place in 2010.</span></div>
<br />A-baerhttp://www.blogger.com/profile/02377391887987144084noreply@blogger.com0tag:blogger.com,1999:blog-3845783275428802369.post-86212761932943928202015-06-16T00:27:00.000-07:002015-06-16T00:27:19.334-07:00Was sonst noch so geschah - Mai 2015<div class="separator" style="clear: both; text-align: center;">
<span style="font-family: "Courier New", Courier, monospace;">In diesem Monat hatte ich grosses Glück.</span></div>
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<span style="font-family: "Courier New", Courier, monospace;">Zwei Beschaffungen erwiesen sich als hochinteressante Funde.</span></div>
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<span style="color: red; font-family: Courier New;">This month I was really lucky. Two acquisitions turned out to be real findings.</span></div>
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<span style="font-family: "Courier New", Courier, monospace;">Da war zunächst dieses Röhren-Kofferradio. </span></div>
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<span style="font-family: "Courier New", Courier, monospace;">Jemand hatte es annonciert, wusste aber eigentlich nichts über das Gerät - noch nicht einmal den Hersteller. Offenbar wollte der Verkäufer es nur loswerden.</span></div>
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<span style="font-family: "Courier New", Courier, monospace;">Mir schien es für 20 CHF interessant genug, um es mitzunehmen.</span></div>
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<span style="color: red; font-family: Courier New;">First there was this portable tube-radio.</span></div>
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<span style="color: red; font-family: Courier New;">Someone announced it on an ads-portal but he didn't really know much about it - not even the brand. Obviously he just wanted to get rid of it. For 20 CHF it seemed interesting enough for me to take it.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhAVR7yyaftn8K_Di6Py-S5X_rVpUXy-0YOBm8xtuzsePZ55bMrm03ER6Xi_zjcdIKxCY66NAM_qwl7BscyZhuSgz085foYoWPTTlwCBnn2DxG-NZH4wI9R1ic1FxUkcyDz6gvoO6ywcPzA/s1600/P1100352.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="300" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhAVR7yyaftn8K_Di6Py-S5X_rVpUXy-0YOBm8xtuzsePZ55bMrm03ER6Xi_zjcdIKxCY66NAM_qwl7BscyZhuSgz085foYoWPTTlwCBnn2DxG-NZH4wI9R1ic1FxUkcyDz6gvoO6ywcPzA/s400/P1100352.JPG" width="400" /></a></div>
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<span style="font-family: "Courier New", Courier, monospace;">Es ist das Modell "Pascha 53-2" des deutschen Herstellers Krefft aus dem Jahr 1953/54. </span></div>
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<span style="color: red; font-family: Courier New;">It is the model "Pascha 53-2" of the german radio company Krefft of the year 1952/54.</span></div>
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<span style="font-family: "Courier New", Courier, monospace;">Der Besitzer hatte offenbar einmal mit einer Farbsprühdose hantiert und das Radio daneben stehen lassen. Jedenfalls ist das schöne Bakelitgehäuse mit kleinen gelben Punkten übersät. Ich habe an einer Stelle (rechts oben im Bild) versucht, diese Farbspritzer mit Autopolitur zu entfernen. Wie man sieht, mit ermutigendem Erfolg.</span></div>
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<span style="color: red; font-family: Courier New;">The owner obviously had handled a varnish spray can while the radio was standing nearby. That is why the nice bakelite cabinet is peppered with little yellow dots. I tried to remove them with car polish (top right of the picture). As you can see, with encourageing result.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg0CjAj_hyphenhyphensHQt12IIEP99lYHrBAAZ8DMjKdiDZl-aT3N4tvToN_gYNT0nMhHPPgclyZRjTevCBc1-XGED8O6Xn9dpqLly0mJR8V9CaiapFSqx85w2AL0h3ovUP5xkqZfVjFyxSCjDgyvYV/s1600/P1100355.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="300" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg0CjAj_hyphenhyphensHQt12IIEP99lYHrBAAZ8DMjKdiDZl-aT3N4tvToN_gYNT0nMhHPPgclyZRjTevCBc1-XGED8O6Xn9dpqLly0mJR8V9CaiapFSqx85w2AL0h3ovUP5xkqZfVjFyxSCjDgyvYV/s400/P1100355.JPG" width="400" /></a></div>
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<span style="font-family: "Courier New", Courier, monospace;">Das Interessanteste an diesem Radio verbirgt sich aber hinter der Klappe. </span><span style="font-family: "Courier New", Courier, monospace;">Das Radio konnte wahlweise am Netz oder mit eingebauten Akkus betrieben werden.</span></div>
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<span style="color: red; font-family: Courier New;">The most interesting part of this radio is hidden behind the back lid. The radio could be operated optionally connected to the power grid or with internal accumulators.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh20MECd31BEegDVJsOG5nkXbKoUzhIr1cInbZCHFEBhnbGKOap-Aj6p7iHUPG98tzFTVy2Pimisgg4jZbhmJYWKFRB_zmglUwGCkGnnm7jCCYy-U15mz6Fp9GunvxfVEnOWMDpz31YBMda/s1600/P1100265.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><span style="font-family: "Courier New", Courier, monospace;"><img border="0" height="300" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh20MECd31BEegDVJsOG5nkXbKoUzhIr1cInbZCHFEBhnbGKOap-Aj6p7iHUPG98tzFTVy2Pimisgg4jZbhmJYWKFRB_zmglUwGCkGnnm7jCCYy-U15mz6Fp9GunvxfVEnOWMDpz31YBMda/s400/P1100265.JPG" width="400" /></span></a></div>
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<span style="font-family: "Courier New", Courier, monospace;">Die Akkus sitzen in einem Fach links unten hinter einem Edelstahldeckel.</span></div>
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<span style="color: red; font-family: Courier New;">The accumulators sit in a cabinet at the bottom left side behind a stainless steel lid. </span></div>
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<span style="font-family: "Courier New", Courier, monospace;">Die silberne Dose rechts im Bild ist das Gehäuse des Zerhackers, der aus der niedrigen Akku-Spannung die hohe Anodenspannung für die Röhren macht.</span><span style="font-family: "Courier New", Courier, monospace;"></span> </div>
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<span style="color: red; font-family: Courier New;">The silverish box on the right side of the picture is the housing of the vibrator which transforms the low voltage of the accumulator into the high anode voltage for the tubes.</span></div>
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<span style="font-family: "Courier New", Courier, monospace; font-size: large;"><span style="font-size: small;">Das Besondere ist aber der Akku selbst.</span> </span></div>
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<span style="font-family: "Courier New", Courier, monospace; font-size: large;">Eine Rarität. </span></div>
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<span style="font-family: "Courier New", Courier, monospace; font-size: large;">Es ist ein Edison'scher Nickel-Eisen Akku.</span></div>
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<span style="color: red; font-family: Courier New; font-size: large;"><span style="font-size: small;">The Special Thing however is the accumulator</span> itself.</span></div>
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<span style="color: red; font-family: Courier New; font-size: large;">It's a rarity.</span></div>
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<span style="color: red; font-family: Courier New; font-size: large;">It's an Edison nickel-iron accumulator.</span></div>
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<span style="font-family: "Courier New", Courier, monospace;">Edison hat diesen Akku-Typ um 1900 entwickelt und in USA Fertigungsanlagen errichtet - auch eine Tochtergesellschaft in Deutschland wurde gegründet.</span></div>
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<span style="font-family: "Courier New", Courier, monospace;">Diese robuste Nickel-Eisen-Technologie ist später fast in Vergessenheit geraten, erlebt aber zur Zeit in Form von Solarbatterien eine kleine Wiedergeburt.</span></div>
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<span style="color: red; font-family: Courier New;">Edison developed this accumulator type around 1900 and founded production facilities for it - also a subsidiary in Germany.</span></div>
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<span style="color: red; font-family: Courier New;">This robust nickel-iron technology was later-on almost buried in oblivion. Today however it experiences a kind of renaissance in form of solar batteries. </span></div>
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<span style="font-family: "Courier New", Courier, monospace;">Ich werde über die Versuche, diesen Akku wiederzubeleben, in einem separaten Post berichten.</span></div>
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<span style="color: red; font-family: Courier New;">I will report about my attempts to revitalize this battery in a separate post.</span> </div>
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<span style="font-family: "Courier New", Courier, monospace;">Hier nur soviel: </span></div>
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<span style="font-family: "Courier New", Courier, monospace;">Er sah schlimm aus, aber das Gehäuse ist aus Edelstahl und das weisse Pulver nichts als Kaliumcarbonat - nichts Aggressives also.</span></div>
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<span style="color: red; font-family: Courier New;">Just some first impressions:</span></div>
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<span style="color: red; font-family: Courier New;">It looked bad, but the case is made of stainless steel and the white powder is only potassium carbonate - so nothing agressive.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhYW9tg3dgA0CsCy6DOSlL0ILMS9UhyphenhyphenN8gYwKInJ7ZYZy3tFZcCmRJqn3SOaehhw8F7mMtT3oseRRcgUxGVBZV2iFgp_b06Cqw7Gq-osJAwKxNLSEstDjilbQId7c7iwvJDX0WCjOQHX2ow/s1600/P1100526.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="400" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhYW9tg3dgA0CsCy6DOSlL0ILMS9UhyphenhyphenN8gYwKInJ7ZYZy3tFZcCmRJqn3SOaehhw8F7mMtT3oseRRcgUxGVBZV2iFgp_b06Cqw7Gq-osJAwKxNLSEstDjilbQId7c7iwvJDX0WCjOQHX2ow/s400/P1100526.JPG" width="300" /></a></div>
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<span style="font-family: "Courier New", Courier, monospace;">Die Zellenspannung war praktisch Null. </span></div>
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<span style="font-family: "Courier New", Courier, monospace;">Ich habe ihn erst einmal gereinigt und ausgespült und dann nur mit destilliertem Wasser gefüllt, da ich den Elektrolyten erst noch besorgen muss.</span></div>
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<span style="color: red; font-family: Courier New;">The cell voltage was almost zero. </span></div>
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<span style="color: red; font-family: Courier New;">I cleaned and rinsed it inside and outside and filled it with destilled water, since it would take me some time to get the electrolyte.</span></div>
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<span style="font-family: "Courier New", Courier, monospace;">Die Zellenspannung war immer noch nahe Null oder sogar negativ. </span></div>
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<span style="color: red; font-family: Courier New;">The cell voltage still was near zero or even negative.</span></div>
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<span style="font-family: "Courier New", Courier, monospace;">Aus Spass habe ich dann versucht, ihn kurz 1 Minute lang zu laden, und ich war verblüfft: die Zellenspannung war sofort wieder da und die kurze Ladung reichte schon zum Betrieb eines Lämpchens. </span></div>
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<span style="color: red; font-family: Courier New;">Just for fun, I tried to charge it only for a minute, and I was stunned: the cell voltage was back immediately, and the charge was sufficient to operate a small lamp. </span></div>
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<span style="font-family: "Courier New", Courier, monospace;">Ohne Elektrolyt!</span></div>
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<span style="color: red; font-family: Courier New;">Without electrolyte!</span></div>
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<span style="font-family: "Courier New", Courier, monospace;">Nun ja, vermutlich mit einem schwachen Elektrolyten, da sich Reste des alten eingetrockneten Elektrolyten im Wasser gelöst haben dürften, so dass ein stark verdünnter Elektrolyt entstand.</span></div>
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<span style="color: red; font-family: Courier New;">Well not quite. Probably with a week electrolyte, since rests of the old dried electrolyte dispensed in the water thus forming a week electrolyte.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjBxai7icQQaE2WvXQ-4MZbyjSxm8BhbnhNoC_96PosDtuOEhdBt8ezXf9uGv2hBs5okEtgJZBWomKSlpWCntFzcUWWBP32DUMWZLY-tL7Qzq6WaNkMymHYQLnmBitnK7E35vzE0MoVIu0O/s1600/destilliertes+Wasser+-+kein+Elektrolyt+-+nach+1+min+laden+am+n%25C3%25A4chsten+Tag.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="276" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjBxai7icQQaE2WvXQ-4MZbyjSxm8BhbnhNoC_96PosDtuOEhdBt8ezXf9uGv2hBs5okEtgJZBWomKSlpWCntFzcUWWBP32DUMWZLY-tL7Qzq6WaNkMymHYQLnmBitnK7E35vzE0MoVIu0O/s400/destilliertes+Wasser+-+kein+Elektrolyt+-+nach+1+min+laden+am+n%25C3%25A4chsten+Tag.JPG" width="400" /></a></div>
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<span style="font-family: "Courier New", Courier, monospace;">Nun bin ich einmal sehr gespannt, was passiert, wenn ich den passenden Elektrolyten - Kalilauge - bekomme.</span></div>
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<span style="color: red; font-family: Courier New;">Now I am very excited to see what happens, when I get the right electrolyte - potassium hydroxide.</span></div>
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<span style="font-family: Courier New;">Der andere glückliche Umstand führte mich zu einem älteren Herrn, der von seinem Vater ein paar Kartons mit elektronischen Teilen geerbt hatte, die er jetzt gerne abgeben wollte. Er hatte von diesen Dingen keine Ahnung und war nur froh, dass er sie nicht in den Müll werfen musste.</span></div>
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<span style="color: red; font-family: Courier New;">The other lucky circumstance lead me to an elder gentlemen who had inherited several boxes with electronic parts he wanted to hand on. He had no relation to these things and was happy not to see them thrown to the garbage.</span></div>
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<span style="font-family: Courier New;">Alle diese Teile stammten aus der Zeit um 1925.</span></div>
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<span style="color: red; font-family: Courier New;">All these parts dated back to around 1925.</span></div>
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<span style="font-family: Courier New;">Da waren einige hochwertig aussehende Bauteile, die ich zunächst noch nicht zuordnen konnte.</span></div>
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<span style="color: red; font-family: Courier New;">There were some high quality parts which at first I could not relate properly.</span></div>
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<span style="font-family: Courier New;">Links oben im Bild ein System aus drei gekoppelten sogenannten Korbspulen, deren Kopplung verstellbar ist. Korbspulen hat man damals so kunstvoll gewickelt, um die Kapazität zwischen den Windungen klein zu halten. Rechts oben eine einfache Induktivität und unten ein grob und fein einstellbarer Abstimmkondensator - ein "Orthometer" von Saba. Saba war früher eine sehr renommierte deutsche Rundfunkgerätefirma.</span></div>
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<span style="color: red; font-family: Courier New;">On the top left picture there is a system of three so called basket-coils the coupling of which can be adjusted. Basket-coils were wound so artfully in order to keep the capacitances between windings of the coil small. The top right picture shows a simple inductance. The bottom pictures show a course and fine adjustable tuning capacitor - the "orthometer" of Saba. In these days Saba was a well renowned german radio company.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEguG1uT9-mDvjfAt_LEv2ihJMvR_U9vqrJOFUxUeCRVw6HXhATdVQZUinTBWm4I7tKVR2PYBU75l4exZMSzVx6bidbzcJtt9grQINX4_MiEdnIVKsfrzP3AEl9z8ybEQnITkVreJsTp4ivw/s1600/P1100496_Bildgr%25C3%25B6%25C3%259Fe+%25C3%25A4ndern.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="305" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEguG1uT9-mDvjfAt_LEv2ihJMvR_U9vqrJOFUxUeCRVw6HXhATdVQZUinTBWm4I7tKVR2PYBU75l4exZMSzVx6bidbzcJtt9grQINX4_MiEdnIVKsfrzP3AEl9z8ybEQnITkVreJsTp4ivw/s400/P1100496_Bildgr%25C3%25B6%25C3%259Fe+%25C3%25A4ndern.jpg" width="400" /></a></div>
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<span style="font-family: Courier New;">Durch den Firmennamen und mit Hilfe des <a href="http://www.radiomuseum.org/" target="_blank">Radiomuseums</a> kam ich darauf, dass alle drei Teile aus der Saba Radio-Serie vom Typ HANN von 1927 stammten (siehe Bild unten). </span><span style="font-family: Courier New;">Für jemanden, der ein solch edles Teil restaurieren will, ist das ein Geschenk des Himmels.</span></div>
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<span style="color: red; font-family: Courier New;">With the company name and with help of the <a href="http://www.radiomuseum.org/" target="_blank">Radiomuseum</a> I found that these three parts belonged to the Saba radio-series HANN from 1927 (see picture below). For someone who wants to restore such a precious piece this is a gift from heaven.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh4a8GJHIC29q4yzCxnUW2K6D0KxWzoBZNuujeCqFCagqj6doNmnNnTHvhGQww6WLG2alpDeqs50JMggxoTZO9YJSBgqlcR83G5ZI1lNmmbgEs880l7ME5qc5vTkJZmib5r79enNpDqWaAx/s1600/SABA+HANN27.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="236" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh4a8GJHIC29q4yzCxnUW2K6D0KxWzoBZNuujeCqFCagqj6doNmnNnTHvhGQww6WLG2alpDeqs50JMggxoTZO9YJSBgqlcR83G5ZI1lNmmbgEs880l7ME5qc5vTkJZmib5r79enNpDqWaAx/s400/SABA+HANN27.jpg" width="400" /></a></div>
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<span style="font-family: Courier New;">Und dann war da noch dieses schwere Teil.</span></div>
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<span style="font-family: Courier New;">Auch hier wusste ich nicht, was es war, aber das würde sich herausfinden lassen. Schliesslich trug es ja aufgedruckte Namenszüge.</span></div>
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<span style="color: red; font-family: Courier New;">And then there was this heavy piece.</span></div>
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<span style="color: red; font-family: Courier New;">Also in this case I didn't know what it was, but this would not be too difficult since there was some information printed on it.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhLh93dqYF_nThf8mffSUrlAp4rdas1TaGrsj_BYaPXwGfrHtLpsYBHKeCL6xSIHkCzDQDHrX-15zBCTRwwQCQb4ts_QboeoYT-hNvwjewZR6Grs1qXzqlw3dJ3i5pnncPIoLhDVBn8Oza8/s1600/P1100595.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="240" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhLh93dqYF_nThf8mffSUrlAp4rdas1TaGrsj_BYaPXwGfrHtLpsYBHKeCL6xSIHkCzDQDHrX-15zBCTRwwQCQb4ts_QboeoYT-hNvwjewZR6Grs1qXzqlw3dJ3i5pnncPIoLhDVBn8Oza8/s320/P1100595.JPG" width="320" /></a></div>
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<span style="font-family: Courier New;">Es ist der Schallwandler zu einem Lautsprecher von General Electric aus dem Jahr 1923. Der sah einmal so aus:</span></div>
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<span style="color: red; font-family: Courier New;">It is the sound converter belonging to a speaker of General Electric Company from the year 1923. </span></div>
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<span style="color: red; font-family: Courier New;">It appeared like that:</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgk8afJ8QA8-ZHjabJKf1wG50fQ0NT4ngrUByCoT-YFxuZzp7cnj9lKA9uiZ150qVH6fogqtsRvzv5FJZhVAsENDaKLoOaPW4sw6Ea5ij8SBivbyfdnuaD1gXWztoOR3WyG43LKEqdin2-T/s1600/29-05-2015+19-48-19.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="400" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgk8afJ8QA8-ZHjabJKf1wG50fQ0NT4ngrUByCoT-YFxuZzp7cnj9lKA9uiZ150qVH6fogqtsRvzv5FJZhVAsENDaKLoOaPW4sw6Ea5ij8SBivbyfdnuaD1gXWztoOR3WyG43LKEqdin2-T/s400/29-05-2015+19-48-19.jpg" width="171" /></a></div>
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<span style="font-family: Courier New;">Leider ist der Schalltrichter verloren gegangen, aber vielleicht findet sich einmal ein Trichter ohne Wandler. Vor zwei Jahren hätte ich in Solothurn einen kaufen können.</span></div>
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<span style="color: red; font-family: Courier New;">Unfortunately the horn is lost, but perhaps I can find one eventually without converter. Two years ago, I could havebought one in Solothurn.</span></div>
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<span style="font-family: Courier New;">Auf Manchen mag dieser Trichter vorsintflutlich wirken, aber das physikalische Prinzip der Schallimpedanzanpassung durch einen Trichter wird auch heute noch bei Megaphonen oder Hochtonlautsprechern in hochwertigen Lautsprecherboxen angewendet.</span></div>
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<span style="color: red; font-family: Courier New;">To some people this horn may look fossil, but the priciple of sound impedence matching by a horn is also applied nowadays e.g.in bullhorns or in tweeters for high-end speakers.</span></div>
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<span style="font-family: Courier New;">Ein weiteres interessantes Teil war dieser Anodenspannungsapparat von Philips aus dem Jahr 1927:</span><br />
<span style="color: red; font-family: Courier New;">Another interesting piece was this battery eliminator of Philips from the year 1927:</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi7ix7ZuFVP0PZbX3JGloKXb0n0CjpKXdS3DWtQDVFohSNHmGnAzEpOBtxGH79viVNt4g0qnUscgziSg1h3TGOyTdjkv2btoG3njZQEBr3rLdFywmlqZRFVwVIZIXZ5tMZq1KxHlKDUHeDx/s1600/1925+-+Operation+and+Care+of+the+Edison+Storage+Battery-001.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"></a> <a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjJRzGAjhFkl8Y5fh8yddprm5dZRsThbo3-v3JZrZNaPaDg03SUdozye9VilmlXfyflcSGj16yH-ZjTWPE9gu1Nt8awOEQzeWJ-O15biMltbdb4hW2AoefdIeVC3Q0gCRxFAUD4NhG0Jr8J/s1600/P1100589.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="400" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjJRzGAjhFkl8Y5fh8yddprm5dZRsThbo3-v3JZrZNaPaDg03SUdozye9VilmlXfyflcSGj16yH-ZjTWPE9gu1Nt8awOEQzeWJ-O15biMltbdb4hW2AoefdIeVC3Q0gCRxFAUD4NhG0Jr8J/s400/P1100589.JPG" width="310" /></a></div>
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<span style="font-family: Courier New;">In den Sockel mit den drei Löchern oben in der Mitte wird eine Gleichrichterröhre eingesteckt. Dann konnte man diesen Apparat am Stromnetz einstecken und an den vier Klemmen vorne ein bisher batteriebetriebenes Radio anschliessen.</span><br />
<span style="color: red; font-family: Courier New;">Into the three pin socket on top in the middle a recifier tube was inserted. Then this device was connected to mains and a formerly battery operated radio could be connected to the four clamps in front.</span></div>
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<span style="font-family: Courier New;">Der Grund für die Entstehung dieser Geräte war Folgender: Seit etwa 1920 gab es in USA und auch in Europa Rundfunk. Da aber viele Orte - vor allem auf dem Land - noch keine Elektrizitätsversorgung hatten, wurden viele Radiogeräte für den Betrieb mit Batterien ausgelegt. Batterien waren aber schnell leer und mussten ersetzt werden. Das war teuer und umständlich. Als die Orte dann elektrifiziert wurden, wollten die Rundfunkhörer gerne ihr Radio am Netz anschliessen. Die waren aber dafür nicht ausgelegt. Damit sie kein neues Radio kaufen mussten, haben dann die Hersteller solche Anodenspannungsapparate - oder kurz "Netzanoden" - angeboten.</span><br />
<span style="color: red; font-family: Courier New;">The reason for the emergence of these devices was the following: Since about 1920 in USA and also in Europe broadcast was available. Since however many villages - particularly on the countryside - were not yet connected to the power grid, many radios were designed for battery operation. Batteries however were rapidly discharged and had to be replaced. This was expensive and cumbersome. So when the villages were finally connected to the grid, people wanted to connect their radios to it. The radios however were not designed for that. So in order not to force their clients to buy new radios, the manufacturers offered these "battery eliminators".</span><br />
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<span style="font-family: Courier New;">Ebenfalls im Erbe des alten Mannes war ein Karton mit sehr alten und zum Teil kostbaren Röhren aus dieser Zeit. Einige waren noch im Originalkarton - das ist besonders interessant für Sammler.</span><br />
<span style="color: red; font-family: Courier New;">Also part of the old man's heritage was a box with very old and partly precious radio tubes from this era. Some were still in their original box - that is particularly interesting for collectors.</span><br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEibe-JwXCi80tLhyiZYTzxxB6J8FqySxp0jzpFfhmWhhWFH9eTYohqhONrh-0SInTlsZIN4TuBDJvIBhp5K63bndWO3zmFf6BF4KvKwycbeE2wRQJiSHT6j34_kRW9SX1Di_5_8W_Heroi6/s1600/P1100594.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="257" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEibe-JwXCi80tLhyiZYTzxxB6J8FqySxp0jzpFfhmWhhWFH9eTYohqhONrh-0SInTlsZIN4TuBDJvIBhp5K63bndWO3zmFf6BF4KvKwycbeE2wRQJiSHT6j34_kRW9SX1Di_5_8W_Heroi6/s400/P1100594.JPG" width="400" /></a></div>
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<span style="font-family: "Courier New", Courier, monospace;">Eine dieser Röhren ist in doppelter Hinsicht interessant, und zwar die englische Cossor Röhre P1 von 1922.</span></div>
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<span style="color: red; font-family: Courier New;">One of them is particularly interesting. </span></div>
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<span style="color: red; font-family: Courier New;">It is the english Cossor tube P1 from 1922.</span></div>
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<span style="font-family: "Courier New", Courier, monospace;">Sie gehört zu einer der ersten in England hergestellten Röhrenserien. Die eigenartige und für frühe Cossor Röhren typische Konstruktion mit dem halbkreisförmigen "Blechhelm" als Anode wurde von Cossor damals gewählt, um Patente von Marconi zu umgehen. In der damaligen Zeit tobte vor allem in USA und UK ein wahrer Krieg um Patentrechte auf dem neuen und lukrativen Gebiet der Funktechnik, und Marconi war diesbezüglich bekannt für sein konsequentes Vorgehen.</span></div>
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<span style="color: red; font-family: Courier New;">It belongs to one of the first tube series produced in England. The peculiar and for early Cossor tubes typical construction with the semi circle tin-hat anode was developed by Cossor to avoid patent infringements with Marconi. In that era in USA and also in UK there were hard industrial fights about patent rights in the new and promising field of radio transmission, and Marconi was known for his consequent behaviour in these things.</span></div>
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<span style="font-family: "Courier New", Courier, monospace;">Der Vermerk "Bright Emitter" auf der Packung deutet auf eine direkt geheizte Wolframkathode hin, die auf ungefähr 2200°C aufgeheizt wurde, um ausreichend Elektronen austreten zu lassen.</span></div>
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<span style="color: red; font-family: Courier New;">The remark "BrightEmitter" on the box references a directly heated tungsten cathode, which was heated to about 2200°C to ensure sufficient electron emission.</span></div>
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<span style="font-family: "Courier New", Courier, monospace;">Und tatsächlich leuchtet diese Röhre wie ein Fahrradlämpchen.</span></div>
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<span style="font-family: "Courier New", Courier, monospace;">Später hat man die Kathoden mit einer dünnen Thorium-Schicht und noch später mit Bariumoxid umhüllt. Dadurch wurde die Austrittsarbeit der Elektronen aus dem Material stark herabgesetzt, so dass man die Kathode nicht mehr so stark aufheizen musste.</span></div>
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<span style="color: red; font-family: Courier New;">And indeed, this tube shines like a bicycle lamp.</span></div>
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<span style="color: red; font-family: Courier New;">Some years later the cathodes were covered with a thin thorium layer and even later with barium-oxide. Thus the work of emission for the electrons was greatly reduced so that the cathodes did not have to be heated so much.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjZmh-qU_3zaA2Ut32V6_06kUVLV50S7kZPPa6W9Te1vi0SN4McF5ct-T_o7A2oTriEmleLKWjTazDBkIAtcqI7N7IRoCZDz9JdN6C4U-CasdfO6awAibymexw80TSve1-lgE0YmfdL4KFT/s1600/Bright+Emitter+3_5V+0_8A_Bildgroesse+aendern.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="400" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjZmh-qU_3zaA2Ut32V6_06kUVLV50S7kZPPa6W9Te1vi0SN4McF5ct-T_o7A2oTriEmleLKWjTazDBkIAtcqI7N7IRoCZDz9JdN6C4U-CasdfO6awAibymexw80TSve1-lgE0YmfdL4KFT/s400/Bright+Emitter+3_5V+0_8A_Bildgroesse+aendern.JPG" width="162" /></a></div>
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<span style="font-family: "Courier New", Courier, monospace;">Eine Besonderheit dieser Röhre ist ein Aufdruck auf dem Glaskörper, den man allerdings nur noch schemenhaft bei schrägem Lichteinfall erkennen kann:</span></div>
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<span style="color: red; font-family: Courier New;">Another peculiarity of this tube is a stamp on the glas body, which however can only be seen dimly under inclined light:</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgT1jz6CJody-lGCbJt2jGE-RNzLBNToPgLHKF-Ax6J0AzkO5dYsPcfidI8kEAsqW0b2Cap7gZXZrUXYuIjf9ril43eLEqWiTyU8foUbboqKqapsCwucqp9M9PT3mLLibwWA-uHmTrDVrLf/s1600/Aufdruck+meiner+P1.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="309" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgT1jz6CJody-lGCbJt2jGE-RNzLBNToPgLHKF-Ax6J0AzkO5dYsPcfidI8kEAsqW0b2Cap7gZXZrUXYuIjf9ril43eLEqWiTyU8foUbboqKqapsCwucqp9M9PT3mLLibwWA-uHmTrDVrLf/s320/Aufdruck+meiner+P1.jpg" width="320" /></a></div>
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<span style="font-family: "Courier New", Courier, monospace;">Röhren waren zur damaligen Zeit kostbar. </span></div>
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<span style="font-family: "Courier New", Courier, monospace;">Daher liess man sie zum Teil reparieren, wenn sie defekt waren.</span></div>
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<span style="font-family: "Courier New", Courier, monospace;">Dabei wurde möglicherweise der Sockel entfernt, der Glaskolben aufgeschmolzen, neu evakuiert, wieder verschlossen und mit einem neuem Sockel versehen. </span></div>
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<span style="font-family: "Courier New", Courier, monospace;">Das hier ist offensichtlich eine solche reparierte Röhre.</span></div>
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<span style="font-family: "Courier New", Courier, monospace;">Vermutlich eine Rarität.</span></div>
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<span style="color: red; font-family: Courier New;">Tubes at that time were precious.</span></div>
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<span style="color: red; font-family: Courier New;">Therefore they were sometimes repaired when defect.</span></div>
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<span style="color: red; font-family: Courier New;">So it could be that the socket was removed, the glassbody opened, newly evacuated, closed again and the tube supplied with a new socket.</span></div>
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<span style="color: red; font-family: Courier New;">Obviously this is such a repaired tube.</span></div>
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<span style="color: red; font-family: Courier New;">Presumably a rarity.</span></div>
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<span style="font-family: Courier New;">Ganz besonders interessant aber waren diese beiden lampenartigen Gebilde:</span></div>
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<span style="color: red; font-family: Courier New;">At least as interesting however were these two bulb-like things:</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhVTzM1Kma9smns0id3IL0XumTbkij8A4xP1-RLzNt7ES7D1_IanZmOltLyFHV8w1X6pC1ouKTPvg1yn36_UUCBploRgr3afBUcyW15QLMFhq-lRRMOr3tJ6ji5i_qosqH50FkQyEQvo2i4/s1600/IMG_0910_Bildgr%25C3%25B6%25C3%259Fe+%25C3%25A4ndern.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="223" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhVTzM1Kma9smns0id3IL0XumTbkij8A4xP1-RLzNt7ES7D1_IanZmOltLyFHV8w1X6pC1ouKTPvg1yn36_UUCBploRgr3afBUcyW15QLMFhq-lRRMOr3tJ6ji5i_qosqH50FkQyEQvo2i4/s320/IMG_0910_Bildgr%25C3%25B6%25C3%259Fe+%25C3%25A4ndern.JPG" width="320" /></a></div>
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<span style="font-family: "Courier New", Courier, monospace;">Auf beiden waren schweizerische Patentnummern aufgedruckt.</span></div>
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<span style="font-family: Courier New;">Was mochte das sein?</span></div>
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<span style="font-family: Courier New;">Anhand einer dieser Patentnummern wurde ich fündig, und zwar wurde diese Patentnummer im "<a href="http://www.polytechnischesjournal.de/startseite/" target="_blank">Dinglers Polytechnischem Journal</a>" Nr 311 aus dem Jahr 1899 erwähnt, und das war der entscheidende Hinweis.</span></div>
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<span style="color: red; font-family: Courier New;">On both of them there were swiss patent number imprinted.</span></div>
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<span style="color: red; font-family: Courier New;">What might this be?</span></div>
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<span style="color: red; font-family: Courier New;">I found one of these patent numbers mentioned in <a href="http://www.polytechnischesjournal.de/startseite/" target="_blank">"Dinglers Polytechnischen Journal"</a> No 311 of the year 1899 and this was the essential hint.</span></div>
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<span style="font-family: Courier New; font-size: large;">Es handelte sich um Nernst-Lampen, </span></div>
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<span style="font-family: Courier New;">benannt nach ihrem Erfinder, </span></div>
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<span style="font-family: Courier New;">dem deutschen Chemiker Walther Nernst. </span></div>
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<span style="color: red; font-family: Courier New; font-size: large;">They are Nernst-Lamps,</span></div>
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<span style="color: red; font-family: Courier New;">termed after their inventor, the german chemist Walther Nernst.</span></div>
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<span style="font-family: Courier New;">Um 1900 arbeiteten viele Erfinder fieberhaft an Vorrichtungen, mit denen man aus Strom Licht machen konnte. Die Nernst-Lampe war einer dieser Entwicklungszweige, und sie war eine Zeit lang durchaus erfolgreich. Sie war effizienter als die Edinson'sche Glühbirne und gab ein sehr helles und spektral gutes Licht. Am Ende hat sie sich aber, wie wir heute wissen, nicht durchgesetzt. Vermutlich war sie zu kompliziert in der Anwendung.</span></div>
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<span style="color: red; font-family: Courier New;">Around 1900 many developers worked feverishly on devices transforming electricity into light. The Nernst-Lamp was one of these development branches, and for some time it was quite successful. It was more efficient than Edison's incandescent lamp and it gave a bright and spectrally good light. However, as we know now, it did not survive. Probably it was too complicated in operation.</span></div>
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<span style="font-family: Courier New;">Die Nernst-Lampe ist ausgesprochen selten und eigentlich nur noch in Museen zu bewundern. Ich habe noch nie eine in Ebay gesehen.</span></div>
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<span style="color: red; font-family: Courier New;">Nernst Lamps are markedly rare. You basically find them but in museums. I never saw one on ebay. </span></div>
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<span style="font-family: Courier New;">Vielleicht gelingt es mir ja, sie wieder in Betrieb zu nehmen. </span></div>
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<span style="font-family: Courier New;">Ich werde darüber in einem separaten Post berichten.</span></div>
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<span style="color: red; font-family: Courier New;">Maybe it is possible to make it work again.</span></div>
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<span style="color: red; font-family: Courier New;">I will report on that in a separate post.</span></div>
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A-baerhttp://www.blogger.com/profile/02377391887987144084noreply@blogger.com0tag:blogger.com,1999:blog-3845783275428802369.post-62653657879666265372015-06-12T10:33:00.001-07:002015-06-12T10:33:44.129-07:00Primus "No1 Compact Outfit" - The Restauration<div class="separator" style="clear: both; text-align: center;">
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<span style="font-family: "Courier New", Courier, monospace;">Um diesen Brenner wieder fit zu machen, musste ich mich also um die Pumpkolbendichtung, die Brennerdüse und das Rückschlagventil kümmern.</span></div>
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<span style="color: #cc0000; font-family: Courier New;">To make this burner fit again, I had to care for the pump piston leather washer, the burner jet nipple and the no-return valve of the pump.</span></div>
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<span style="font-family: "Courier New", Courier, monospace;">Die Pumpkolbendichtung war ausgefranst. Mit der konnte man keinen Druck mehr aufbauen.</span></div>
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<span style="color: #cc0000; font-family: Courier New;">The pump Piston leather washer was scraggy. Impossible to build up pressure with that seal.</span></div>
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<span style="font-family: "Courier New", Courier, monospace;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj1R9wSWKxxpvMejzJdhjp8dyJEWJTnAgIOdcZvMoadzpyxDdh9DDhiKBhIXRQviO0xL9JBWY-7_eTbCuxekC1TObMnfEBtaXmTyTehta4mnQ5hUr6ww9mfm2cqQvdSncfK47zeVL36gjxl/s1600/P1100420.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="220" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj1R9wSWKxxpvMejzJdhjp8dyJEWJTnAgIOdcZvMoadzpyxDdh9DDhiKBhIXRQviO0xL9JBWY-7_eTbCuxekC1TObMnfEBtaXmTyTehta4mnQ5hUr6ww9mfm2cqQvdSncfK47zeVL36gjxl/s320/P1100420.JPG" width="320" /></a></span></div>
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<span style="font-family: "Courier New", Courier, monospace;">Sie ist aus Leder und man kann sie aus Lederresten leicht selbst herstellen. Um das geeignete Leder zu finden, waren ein paar Versuche nötig.</span></div>
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<span style="color: #cc0000; font-family: Courier New;">It is made of leather and can easily be made of scrap leather. However, to find the right type and thickness of leather, some experiments werde needed.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj34BcI2AqgvV4kQzkN02f84vgYEPepbDecdpwwcaHf03056GCWLB1AkcNaqcTHG2ShexO47yg2cquufAYSYX2nsUcZchkM18GIJ3qD-zoEZdzvZs0RQpT0NXjKwHytj5EasKq7sYrDrTlR/s1600/P1100425.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="240" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj34BcI2AqgvV4kQzkN02f84vgYEPepbDecdpwwcaHf03056GCWLB1AkcNaqcTHG2ShexO47yg2cquufAYSYX2nsUcZchkM18GIJ3qD-zoEZdzvZs0RQpT0NXjKwHytj5EasKq7sYrDrTlR/s320/P1100425.JPG" width="320" /></a></div>
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<span style="font-family: "Courier New", Courier, monospace;">Das Ausstanzen der Lederscheiben mit einem Locheisen geht nur auf Stirnholz gut.</span></div>
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<span style="color: #cc0000; font-family: Courier New;">Punching leather discs with a hollow punch works very well on a piece of end-grain wood.</span></div>
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<span style="font-family: "Courier New", Courier, monospace;">Dann braucht man noch eine Form, in die das angefeuchtete Leder eingepresst wird, damit es die erforderliche Tassenform bekommt.</span></div>
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<span style="color: #cc0000; font-family: Courier New;">Then a form is needed into which the moistended leather disc is pressed using a die to give it the required shape of a small cup.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh-IX2xlD6HFd7mqGxGMpFe_SakjaD-NijC7_pir8kwILt9kZTQ58mvH2u4MWsYoGyan59vnqLacuvEX11IJfC5VU-l01wkwCpjJ6c_deV2RRE_lvZ17CY_XfxeJ8yIS2tbWBxdIk6Gt5on/s1600/P1100426.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="240" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh-IX2xlD6HFd7mqGxGMpFe_SakjaD-NijC7_pir8kwILt9kZTQ58mvH2u4MWsYoGyan59vnqLacuvEX11IJfC5VU-l01wkwCpjJ6c_deV2RRE_lvZ17CY_XfxeJ8yIS2tbWBxdIk6Gt5on/s320/P1100426.JPG" width="320" /></a> </div>
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<span style="font-family: "Courier New", Courier, monospace;">Wenn die Dichtung trocken ist, wird sie gut eingeölt und wieder auf den Pumpkolben montiert.</span></div>
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<span style="color: #cc0000; font-family: Courier New;">When the cup is dry, it is soaked in oil and remounted onto the piston.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj34BcI2AqgvV4kQzkN02f84vgYEPepbDecdpwwcaHf03056GCWLB1AkcNaqcTHG2ShexO47yg2cquufAYSYX2nsUcZchkM18GIJ3qD-zoEZdzvZs0RQpT0NXjKwHytj5EasKq7sYrDrTlR/s1600/P1100425.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"></a> </div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEisHOFb0LQQcd1Q3Ov6ME2_5BGQsviN_lzbjerALQUgBASgvEhiyh3dWI74GvE0DWKQDAHH7o1ww922r21rYKhTNra1kPbT348RZcQZR3M9316sP0SspyvASnVig5CbHAWbdpo0QrMH0LAh/s1600/P1100432.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="216" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEisHOFb0LQQcd1Q3Ov6ME2_5BGQsviN_lzbjerALQUgBASgvEhiyh3dWI74GvE0DWKQDAHH7o1ww922r21rYKhTNra1kPbT348RZcQZR3M9316sP0SspyvASnVig5CbHAWbdpo0QrMH0LAh/s320/P1100432.JPG" width="320" /></a></div>
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<span style="font-family: "Courier New", Courier, monospace;">Die Brennerdüse war nicht ganz dicht. Im Betrieb kamen zum Gewinde kleine gelbe Flämmchen heraus. Um die Brennerdüse zu entfernen, braucht man aber einen Spezialschlüssel mit Kardangelenk - keine Chance mit Zange oder Schraubenschlüssel. </span><span style="font-family: Courier New;">Den Spezialschlüssel kann man kaufen - oder man macht in selbst, das macht mehr Spass.</span></div>
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<span style="color: #cc0000; font-family: Courier New;">The burner jet nipple was not screwed tight enough into the burner. During operation there were little yellow flames emerging from the niplle thread. To remove - or to fasten - the nipple, a special articulated wrench is needed - no chance with pliers or ordinary wrench. This special wrench can be baught - or self made, which is more fun. Actually it's a kind of a challenge to make it.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgItgzPYoqL3fIcm1vOxHi0j9dI41GOSd6CozJMEoLXXp9ap4nWrrbZK_2LjeJfmNiPtEN56KrpQNlXQpG_L31NV0BYkNk990cbscR_SuYDr1eBV5RXd52gWlLedsNCH-rT5QF5sDBsX19e/s1600/P1100552.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="300" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgItgzPYoqL3fIcm1vOxHi0j9dI41GOSd6CozJMEoLXXp9ap4nWrrbZK_2LjeJfmNiPtEN56KrpQNlXQpG_L31NV0BYkNk990cbscR_SuYDr1eBV5RXd52gWlLedsNCH-rT5QF5sDBsX19e/s400/P1100552.JPG" width="400" /></a></div>
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<span style="font-family: "Courier New", Courier, monospace;">Ganz tief unten im Pumpkolben sitzt ein Rückschlagventil, das bei alten Geräten wie diesem manchmal verklebt ist. Zum Herausschrauben dieses Ventils braucht man auch wieder einen Spezialschlüssel, der aber einfach herzustellen ist.</span></div>
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<span style="color: #cc0000; font-family: Courier New;">Deep down at the bottom of the pump cylinder there is a no-return valve (NRV). To remove and clean it needs - yes, again a special wrench. But this one is much easier to make.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgtIEOXwz71yZkkbRFxr7cBCnwg-Inil1gqDeGFXI38tAuTqBG3rbvbRAfZJnVeO_TjR55uuu53k9MOLFBKMswBHQciafxK2R9Dz6VfqQyVMt97qG_hyKsUqiZnwuI94RCFGB8cqTCtHtz4/s1600/P1100575.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="240" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgtIEOXwz71yZkkbRFxr7cBCnwg-Inil1gqDeGFXI38tAuTqBG3rbvbRAfZJnVeO_TjR55uuu53k9MOLFBKMswBHQciafxK2R9Dz6VfqQyVMt97qG_hyKsUqiZnwuI94RCFGB8cqTCtHtz4/s320/P1100575.JPG" width="320" /></a></div>
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<span style="font-family: "Courier New", Courier, monospace;">Die Weissblechkiste wurde gründlich entrostet und anschliessend gewachst.</span></div>
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<span style="color: #cc0000; font-family: Courier New;">The tin plate box was thoroughly cleaned from rust and dirt and treated with antique wax afterwards.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhRlbO6uLEaL2kWChDVTccTbzVpumOAEAaMUnVHzU7KQWJ9Af2HEG4_OvQxPsmrUSmG2FKqFeM4hMgKAsAIGLYuqOBp2KMFjLMjKaFWwIE8pKYj3chbIT19vdt7oGIYBMwgCQQikMmDJn_K/s1600/No1+Compact+Primus+Outfit+1.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="240" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhRlbO6uLEaL2kWChDVTccTbzVpumOAEAaMUnVHzU7KQWJ9Af2HEG4_OvQxPsmrUSmG2FKqFeM4hMgKAsAIGLYuqOBp2KMFjLMjKaFWwIE8pKYj3chbIT19vdt7oGIYBMwgCQQikMmDJn_K/s320/No1+Compact+Primus+Outfit+1.JPG" width="320" /></a></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjY7O1_uM3JLMSSVFJPgcEMKDx6ZPsEpIqK7xCHfJtLIUj4Na87Nz2gr8hJ2TueQo_mx5RokPs2dZySwAqTUQXs8tY5WiAWwriFCnWU6GxQIgHuDAPnnFg96OAljqQxG2Yyu9DEd4PN4G8d/s1600/No1+Compact+Primus+Outfit+3.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="240" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjY7O1_uM3JLMSSVFJPgcEMKDx6ZPsEpIqK7xCHfJtLIUj4Na87Nz2gr8hJ2TueQo_mx5RokPs2dZySwAqTUQXs8tY5WiAWwriFCnWU6GxQIgHuDAPnnFg96OAljqQxG2Yyu9DEd4PN4G8d/s320/No1+Compact+Primus+Outfit+3.JPG" width="320" /></a></div>
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<span style="font-family: "Courier New", Courier, monospace;">Im Deckel befand sich eine Packanleitung, die fast zerbröselt war. </span></div>
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<span style="color: #cc0000; font-family: Courier New;">In the lid there was a packing instruction which was stained from rust and very fragile.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgD3WW2f_VmJdKqI6yssHsuxU_twXxw1qMDLepvNEHlgdpgG5Ru_pFO9VB6f4zcpE3wmWxbcwo2N8E06pwtrEZSu7JBFk-_sZNwl8_xn5uCG9VgRdJhdU690qvb22PRT7lknMo5dCZGep0-/s1600/1505151007520001-1.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="400" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgD3WW2f_VmJdKqI6yssHsuxU_twXxw1qMDLepvNEHlgdpgG5Ru_pFO9VB6f4zcpE3wmWxbcwo2N8E06pwtrEZSu7JBFk-_sZNwl8_xn5uCG9VgRdJhdU690qvb22PRT7lknMo5dCZGep0-/s400/1505151007520001-1.jpg" width="310" /></a></div>
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<span style="font-family: "Courier New", Courier, monospace;">Ohne diese Packanleitung hat man am Anfang echt Mühe, die Teile in der Blechkiste zu verstauen. Es gibt exakt EINE Anordnung der Teile, bei der es passt.</span></div>
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<span style="color: #cc0000; font-family: Courier New;">Without this packing instruction it was Kind of difficult at the beginning, to stow all parts in the box. There is exactly ONE arrangement and orientation which makes all parts fit into the box.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEheG59944E8s6HLQHCJz9k-pffruWrcyb2_YqpQdZmWX1t__ySqsGW4hEyfDqtdZ6XAebZBGZgx9WcMeQqw1EO5OFjqd8nY_Zbcelb8Ufdt0htK4HXw206_LlF8PqYPj7A0STjlJMlgzS8Z/s1600/No1+Compact+Primus+Outfit+4.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="300" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEheG59944E8s6HLQHCJz9k-pffruWrcyb2_YqpQdZmWX1t__ySqsGW4hEyfDqtdZ6XAebZBGZgx9WcMeQqw1EO5OFjqd8nY_Zbcelb8Ufdt0htK4HXw206_LlF8PqYPj7A0STjlJMlgzS8Z/s400/No1+Compact+Primus+Outfit+4.JPG" width="400" /></a></div>
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<span style="font-family: "Courier New", Courier, monospace;">Das muss alles rein!</span></div>
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<span style="color: #cc0000; font-family: Courier New;">All this has to go in! </span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhsu1o39rnkqkWkPp0PqaLhnDm3soDEdo0QfvDJl187ny7ZjneXERJwXuUViqmmahSsJt09410LAEbByHHyPMCS-HesW1AyZFNs6ZL6-EzZDN8hkbucunejU8AA9sfvOGZ_BlKbPArMa8w4/s1600/No1+Compact+Primus+Outfit+6.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="300" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhsu1o39rnkqkWkPp0PqaLhnDm3soDEdo0QfvDJl187ny7ZjneXERJwXuUViqmmahSsJt09410LAEbByHHyPMCS-HesW1AyZFNs6ZL6-EzZDN8hkbucunejU8AA9sfvOGZ_BlKbPArMa8w4/s400/No1+Compact+Primus+Outfit+6.JPG" width="400" /></a></div>
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<span style="font-family: "Courier New", Courier, monospace;">Die Gewinde zwischen Brennerdüse und Brenner und zwischen Brenner und Tank müssen luftdicht sein. Anfang hatte ich damit Probleme. Dann habe ich sie mit temperaturfester Kupferpaste (wie man sie beim Auto verwendet) eingerieben, und danach war alles dicht und der Kocher brannte vorschriftsmässig und ohne Russentwicklung und Gestank.</span></div>
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<span style="color: #cc0000; font-family: Courier New;">The threaded joints between the burner nipple and the burner and between the burner stub and the tank have to be airtight. At first I had some problems with that. But then I applied temperature resistant copper paste (like the one for cars) and afterwards everything was tight and the burner worked nicely without producing soot and smell.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjQf2WbY7j5GzEe9HzAis5zpFhxfhTkB49EWZWWDGDRR7-DsTxPDcdpMQeiImYTnhUWmphFpapQNq1Lbn02sHWq4ktcIsejmxrYJzn62cx-amuiThk65R9vjQ7a1kqLsWfx7cUCllcHXcF9/s1600/Primus+230+nach+Restauration.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="400" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjQf2WbY7j5GzEe9HzAis5zpFhxfhTkB49EWZWWDGDRR7-DsTxPDcdpMQeiImYTnhUWmphFpapQNq1Lbn02sHWq4ktcIsejmxrYJzn62cx-amuiThk65R9vjQ7a1kqLsWfx7cUCllcHXcF9/s400/Primus+230+nach+Restauration.JPG" width="295" /></a></div>
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<span style="font-family: "Courier New", Courier, monospace;">Und dieses Video zeigt, wie man ihn anfeuert und löscht.</span></div>
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<span style="color: #cc0000; font-family: Courier New;">And this video shows how to turn the burner on and off.</span></div>
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<iframe allowfullscreen='allowfullscreen' webkitallowfullscreen='webkitallowfullscreen' mozallowfullscreen='mozallowfullscreen' width='320' height='266' src='https://www.blogger.com/video.g?token=AD6v5dwH7GvYK0_nfvLwIJASTo19qKE02Ju0njUooziDxSCASIRbf_OddEqaWsGvNgHLtDpI57_yDBKas6w90mLwtw' class='b-hbp-video b-uploaded' frameborder='0'></iframe></div>
<br />A-baerhttp://www.blogger.com/profile/02377391887987144084noreply@blogger.com0tag:blogger.com,1999:blog-3845783275428802369.post-81776133860533896162015-06-12T09:50:00.001-07:002015-06-12T09:50:18.026-07:00Primus "No1 Compact Outfit"<div class="separator" style="clear: both; text-align: center;">
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<span style="font-family: "Courier New", Courier, monospace;">Kürzlich habe ich ein verrostetes Blechkästchen vor der Müllverbrenungsanlage gerettet. Keine Ahnung, was drin war, aber es sah interessant aus.</span></div>
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<span style="color: red; font-family: Courier New;">Recently I saved a rusty tin box from the waste cumbustion. I had no idea what was inside, but it looked interesting.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEglXaGToQRbazoJptVqldjnYlRXebQxVwVg0ZyX4v3n6-NNsmhLDdmjod0jzhXhu14k8y8w_mf1ODXhlIJ5WWNhX4WVuaiEGk-vGGpmuKL84CllC06wLATljIzRjrDIAhLYEqZxF2u4Y5FX/s1600/P1080551.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="300" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEglXaGToQRbazoJptVqldjnYlRXebQxVwVg0ZyX4v3n6-NNsmhLDdmjod0jzhXhu14k8y8w_mf1ODXhlIJ5WWNhX4WVuaiEGk-vGGpmuKL84CllC06wLATljIzRjrDIAhLYEqZxF2u4Y5FX/s400/P1080551.JPG" width="400" /></a></div>
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<span style="font-family: Courier New;">Zu Hause habe ich es ausgepackt und festgestellt, dass es ein Campingkocher war.</span></div>
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<span style="color: red; font-family: Courier New;">When I unpacked it at home, I realized that it was a camp stove.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhAZeqDS3D32ENNZIIAcsgDYb7pq9cvtS6bkAuGiR8fLjqdbFHQdGfi4T_Tq5eJgNvimBp6IXYQI2uAosBfzyPAI23hOJoght4KVaiHjIYr8lmIweAUMssex9hA7hM0svVZFuYbV1gRhE5h/s1600/P1080553.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="400" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhAZeqDS3D32ENNZIIAcsgDYb7pq9cvtS6bkAuGiR8fLjqdbFHQdGfi4T_Tq5eJgNvimBp6IXYQI2uAosBfzyPAI23hOJoght4KVaiHjIYr8lmIweAUMssex9hA7hM0svVZFuYbV1gRhE5h/s400/P1080553.JPG" width="300" /></a></div>
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<span style="font-family: "Courier New", Courier, monospace;">Zwei kleine Kanister, ein Messing-Tank, der Brenner mit Windschutz, die Bügel und ein Sechsbein um einen Topf draufzustellen, ein kleines Blechkästchen mit Ersatzteilen und etwas Werkzeug.</span></div>
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<span style="font-family: Courier New;">Kästchen, Kanister und Ersatzteilebox sind aus Weissblech weich verlötet.</span></div>
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<span style="font-family: Courier New;"><span style="color: red;">Two little cans, a brass tank, a burner with windshield, stands and a trivet for the pot, a Little box with spare parts and soe tools. </span></span></div>
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<span style="font-family: Courier New;"><span style="color: red;">The big box, the cans and the spare parts box are of tinplate softsoldered.</span> </span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi-CpTcNSzYBKnIJ4IiPqBYcPNzV9fH2O4ISihvBNCluvQGQFCwRWaXJtoSTAiDPzJ4EEICTSHYyL_ssE8RCCDBeroFnDwj-NGW9jpVeS0A0jf9I5sbwX_4TfrUnkIZKR_z73KB3mpN-Z31/s1600/P1080558.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="300" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi-CpTcNSzYBKnIJ4IiPqBYcPNzV9fH2O4ISihvBNCluvQGQFCwRWaXJtoSTAiDPzJ4EEICTSHYyL_ssE8RCCDBeroFnDwj-NGW9jpVeS0A0jf9I5sbwX_4TfrUnkIZKR_z73KB3mpN-Z31/s400/P1080558.JPG" width="400" /></a></div>
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<span style="font-family: "Courier New", Courier, monospace;">Der kleine Kanister ist für Spiritus, der grosse für Petroleum.</span></div>
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<span style="color: red; font-family: Courier New;">The smaller can is meant for spirit, the bigger one for petroleum.</span><span style="font-family: "Courier New", Courier, monospace;"> <br /><br />Der Brenner im Detail: Das Petroleum steigt aus dem Tank von links durch die beiden Seitenarme in die Verdampferkammer ganz rechts. Dort verdampft es und der Petroleumdampf drückt durch die beiden innen liegenden Arme nach unten in die Brennerdüse. Gleichzeitig erhöht er den Druck im Tank wodurch sich der Brennstofftransport vom Tank in die Brennerdüse selbsttätig aufrecht erhält.</span></div>
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<span style="font-family: "Courier New", Courier, monospace;"><br /></span><span style="color: red; font-family: Courier New;">The burner in detail: the petroleum rises from the tank through the two side pipes into the evaporator on the right side of the picture. There it evaporates and the petroleum gas presses down through the two inner pipes into the burner jet. At the same time it increases the pressure in the tank thus automatically maintaining the fuel transport from tank to jet.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj2cwR3K360RFkg-1Dl2MXdJXIHsOjgpNPujR7Gp3qwPIJqMFwJOGV-qleDnOTSP3FComJwIk2uFtqTC3nuhSkXbPG_NDsnIzxdRLbEobaLHGs5mGpP858H4977VSOcdb5Gs6WrIwe1J34T/s1600/P1100229.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="300" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj2cwR3K360RFkg-1Dl2MXdJXIHsOjgpNPujR7Gp3qwPIJqMFwJOGV-qleDnOTSP3FComJwIk2uFtqTC3nuhSkXbPG_NDsnIzxdRLbEobaLHGs5mGpP858H4977VSOcdb5Gs6WrIwe1J34T/s400/P1100229.JPG" width="400" /></a></div>
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<span style="font-family: "Courier New", Courier, monospace;">Und alles zusammengebaut:</span></div>
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<span style="color: red; font-family: Courier New;">Joining the parts:</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhJrtGip10XCyGa6EnfzEuwMsOQG-zmYXmEHvYxzkl5uEa5R7_OJNgFol9Isdrbqr32CPwB8Cfb5JelCmTsIS4V2Fhgu7oXnqWAIvmyXAfvD7Gr5s5qaEvPmYBYZfWEidKD1LRCMOefQoXx/s1600/P1080561.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="400" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhJrtGip10XCyGa6EnfzEuwMsOQG-zmYXmEHvYxzkl5uEa5R7_OJNgFol9Isdrbqr32CPwB8Cfb5JelCmTsIS4V2Fhgu7oXnqWAIvmyXAfvD7Gr5s5qaEvPmYBYZfWEidKD1LRCMOefQoXx/s400/P1080561.JPG" width="300" /></a></div>
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<span style="font-family: "Courier New", Courier, monospace;"> Auf dem Tank ist unter anderem der Typ des Brenners eingraviert:<br /> Primus No 230.</span></div>
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<span style="color: red; font-family: Courier New;">On the tank among other Information the burner type is engraved: </span></div>
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<span style="color: red; font-family: Courier New;">It is a Primus No 230.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEihTcBNYN5sIHbVCg9E6oR5A0YOqgXU2k6SeMqy-w9hueAjvFENgOQ8aEGB3yCiHjG7WKJQrYWYhiLETlr61RcvxK43PbXz0N1TmyQ9_5qAAfPbHfXusp4KuHEwwYtV_YE8Q76uLKMHGq5M/s1600/P1080567.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="300" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEihTcBNYN5sIHbVCg9E6oR5A0YOqgXU2k6SeMqy-w9hueAjvFENgOQ8aEGB3yCiHjG7WKJQrYWYhiLETlr61RcvxK43PbXz0N1TmyQ9_5qAAfPbHfXusp4KuHEwwYtV_YE8Q76uLKMHGq5M/s400/P1080567.JPG" width="400" /></a></div>
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<span style="font-family: "Courier New", Courier, monospace;">Aus dieser Information, der Prägung auf der Tank- Unterseite, der Tatsache dass es ein "No 1 Compact Primus Outfit" ist und nicht No2 oder No3 oder nur ein einzelner Brenner sowie der Packvorschrift konnte ich mit Hilfe der Information der Website </span><a href="http://www.spiritburner.com/"><span style="font-family: "Courier New", Courier, monospace;">www.spiritburner.com</span></a><span style="font-family: "Courier New", Courier, monospace;"> und dem dortigen Forum das Herstellungsdatum eingrenzen:</span></div>
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<span style="color: red; font-family: Courier New;">From this information, the stamping on the bottom of the tank, the fact that it is a "No1" Compact Primus Outfit and not No2 oder No3 or just a single burner, the packing instruction in the lid of the box and with information from the website <a href="http://www.spiritburner.com/">www.spiritburner.com</a> and the help of it's forum I could identify the production period of this device: </span></div>
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<span style="font-family: "Courier New", Courier, monospace;">Dieser Petroleumkocher ist eine echte Antiquität: Er wurde zwischen 1903 und 1910 hergestellt und hat daher </span><span style="font-family: "Courier New", Courier, monospace;">gut und gerne seine 105 Jahre auf dem Buckel.</span></div>
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<span style="color: red; font-family: Courier New;">This camp stove is a real antique: it was produced between 1903 and 1911 and is therefore at least 105 years of age.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiTeytd6h1okEPBim-KG_lRrRGAGMvwTqT-_WQgzi0VoC-eP5osgXCDLn1_ug9XJCTaDnNRMZH8mCs1fTTsfsDmAb6GhJA_bQreqLKqbu-Xcc6r_ow6nZrvpaQsdeQ6IEUXAVBt8mdr3gHk/s1600/1505151007520001.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="400" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiTeytd6h1okEPBim-KG_lRrRGAGMvwTqT-_WQgzi0VoC-eP5osgXCDLn1_ug9XJCTaDnNRMZH8mCs1fTTsfsDmAb6GhJA_bQreqLKqbu-Xcc6r_ow6nZrvpaQsdeQ6IEUXAVBt8mdr3gHk/s400/1505151007520001.jpg" width="311" /></a></div>
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<span style="font-family: "Courier New", Courier, monospace;"> Nachdem ich mich informiert hatte, wie Petroleum Brenner zu betreiben sind und wie man eventuell auftretende Störungen behebt, habe ich ihn heute getestet.</span></div>
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<span style="color: red; font-family: Courier New;">After gathering some information about how to operate pressurized Petroleum burners and how to fix problems, I made a test today.</span></div>
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<span style="font-family: "Courier New", Courier, monospace;">Die Lederdichtung unten an dem Pumpkolben war völlig ausgetrocknet und musste erst gut in Öl getränkt werden.</span></div>
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<span style="font-family: "Courier New", Courier, monospace;">Ganz tief unten im Pumpzylinder zwischen Pumpzylinder und Tank sitzt ein Rückschlagventil. Dessen Öffnung war mit eingetrocknetem Öl verklebt. Durch Füllen des Pumpkolbens mit Spiritus und leichten Druck auf den Pumpkolben konnte es aber freigemacht werden, ohne es ausbauen zu müssen.</span></div>
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<span style="color: red; font-family: Courier New;">The leather washer of the pump piston was completely dry and had to be soaked in oil first. Deep down in the pump cylinder between cylinder and tank there is a non-return valve. Ist nozzle was clotted with dried oil. Filling the pump cylinder with spirit and applying pressing the pump piston it could be opened without having it to disassemble.</span></div>
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<span style="font-family: "Courier New", Courier, monospace;">Die Tankentlüftung war undicht - hier half provisorisch ein O-Ring.</span></div>
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<span style="color: red; font-family: Courier New;">The tank exhaust opening was leaky - an O-ring solved the problem.</span></div>
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<span style="font-family: "Courier New", Courier, monospace;">Und die Brennerdüse musste mit dem beiliegenden Werkzeug durchstochen werden.</span></div>
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<span style="color: red; font-family: Courier New;">The hole in the burner jet had to be opened with the enclosed prick-tool.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi4e-dPBEXq8m5da8JQAvlnh0t6fEm50OzEd6_gUVtZeoNa84bxDU0dH6QKzpryGpEJ_sF9Y3OFKIqB_QXoELOH_WubmYThlQEJjMcoF_5bOKyljhyAR5yXixL8zGjuipwChALzorekjrhL/s1600/P1100259_Bildgr%C3%B6%C3%9Fe+%C3%A4ndern.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="240" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi4e-dPBEXq8m5da8JQAvlnh0t6fEm50OzEd6_gUVtZeoNa84bxDU0dH6QKzpryGpEJ_sF9Y3OFKIqB_QXoELOH_WubmYThlQEJjMcoF_5bOKyljhyAR5yXixL8zGjuipwChALzorekjrhL/s320/P1100259_Bildgr%C3%B6%C3%9Fe+%C3%A4ndern.JPG" width="320" /></a></div>
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<span style="font-family: "Courier New", Courier, monospace;">Und dann funktionierte er auch schon wieder grundsätzlich, brannte aber noch mit gelber Flamme und starker Russentwicklung.</span></div>
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<span style="font-family: Courier New;">Da war also noch Einiges zu tun...</span></div>
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<span style="color: red; font-family: Courier New;">After these basic adjustments the burner worked pricipally. However it burned with yellow flame and produced a lot of soot.</span></div>
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<span style="color: red; font-family: Courier New;">So there was some more work to do...</span></div>
A-baerhttp://www.blogger.com/profile/02377391887987144084noreply@blogger.com0tag:blogger.com,1999:blog-3845783275428802369.post-17709469250352492302015-06-12T00:41:00.001-07:002015-06-12T00:41:40.052-07:00Ghielmetti Mechanical Preset Time Switch<div class="separator" style="clear: both; text-align: center;">
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<span style="color: black; font-family: Courier New;">Kürzlich habe ich dieses Teil vor der Verschrottung gerettet.</span></div>
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<span style="color: black; font-family: Courier New;">Ich wusste nicht genau, was es war, aber es sah nach einem feinmechanischen Schmuckstück aus.</span></div>
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<span style="color: red; font-family: Courier New;">Recently I saved this piece from the scrapyard. </span></div>
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<span style="color: red; font-family: Courier New;">I didn't know exactly know what it was, but it looked like a precision mechanical jewel, and that is what it was.</span></div>
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<span style="font-family: "Courier New", Courier, monospace;">Nachforschung ergab, dass es sich um eine Schaltuhr der Firma Ghielmetti in Solothurn handelte. </span><span style="font-family: "Courier New", Courier, monospace;">Freundlicherweise durfte ich mir dort die alten Unterlagen kopieren, so dass ich das Gerät leichter verstehen und in Betrieb nehmen konnte. Das Handbuch stammte aus dem Jahr 1944.</span></div>
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<span style="color: red; font-family: Courier New;">It turned out to be a preset time Switch of the swiss company Ghielmetti in the city of Solothurn. The company still exists and - kind enough - they allowed me, to search in their archive for operation documents and copy them so that it would be easier for me to understand the device and to put it into operation again. The manual I found was from 1944. </span></div>
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<span style="font-family: "Courier New", Courier, monospace;">Mittlerweile habe ich aber in einem Buch von 1936 - dem Band II der "Nouvelle Encyclopedie d'Electricité" - eine Beschreibung eines ähnlichen Gerätes eine französischen Firma gefunden (folgendes Bild rechts). Diese Uhren waren zu dieser Zeit anscheinend verbreitet.</span></div>
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<span style="color: red; font-family: Courier New;">In the meanwhile however I found the description of a similar device from a French company in a book from 1936 - in the volume II of the "Nouvelle Encyclopedie d'Electrici<span style="color: red;">té" (see following Picture on the right side)</span>. Obviously these clocks were quite common at that time. </span></div>
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<span style="font-family: "Courier New", Courier, monospace;">Das mechanische Uhrwerk hat eine 24-Stunden Anzeige. Innen am Umfang dieser Anzeige sind 48 Kontaktbolzen (5) zu erkennen, die an ihrem Umfang verteilt jeweils einen roten, grünen, schwarzen und weissen Farbpunkt tragen. Den Knopf (1) kann man am Umfang verschieben und mit ihm diese Kontaktbolzen greifen und um 90° drehen und so einen dieser vier Farbpunkte nach oben zeigen lassen. Alle Kontaktbolzen, deren (z.B.) grüner Punkt nach oben zeigt, sind mit einem Schleifring verbunden, der unter Spannung gesetzt wird, wenn der Uhrzeiger einen grünen Kontaktbolzen trifft.</span><br />
<span style="color: red; font-family: Courier New;"> The mechanical clockwork has a 24-h scale. On the inner circumference of this scale one can see 48 contact bolts (5) which carry at their ends in little grooves 90° apart red, green, black and white dots. With the knob (1) which can be slid along the circumference you can grab either of these contact bolts and turn them 90°- whise so that one of these coloured dots shows up. All contact bolts whose (e.g.) green dots show up, are connected with the same slipring which is connected with a power source, whenever the hand of the clock contacts a green contact bolt.</span><br />
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<span style="font-family: "Courier New", Courier, monospace;">Ausserdem gibt es noch je zwei rote und weisse sichelförmige Kontaktsegmente (4), die mit vier Rädchen (2 und 3 sichtbar) gedreht werden können, und die ebenfalls vom Uhrzeiger kontaktiert werden.</span><br />
<span style="color: red; font-family: Courier New;"> In addition to that there are two red and sickle-formed contact segments (4). They can be turned with four little wheels at the side of the clock (wheels 2 und 3 are visible) and they are also contacted by the Hand of the clock.</span><br />
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<span style="font-family: "Courier New", Courier, monospace;">Hinter der schwarzen Isolierscheibe unter dem Uhrwerk verbirgt sich der Antriebsmotor mit Schleifringen und den Leistungskontakten. Ich komme weiter unten darauf zurück.</span></div>
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<span style="color: red; font-family: Courier New;">Behind the black isolation board below the clockwork the electric Motor with additional sliprings and power contacts is hidden. I will come back to that later on.</span></div>
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<span style="font-family: "Courier New", Courier, monospace;">Das Uhrwerk kann man komfortabel zur Seite klappen und dann sieht man auf der Rückseite noch eine weitere Schaltscheibe mit 48 Schaltpunkten, die mit kleinen roten und weissen Schräubchen gesetzt werden können. </span></div>
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<span style="color: red; font-family: Courier New;">The clockwork can be swung out conveniently. On ist backside there is another Switch-disk with 48 contact holes which can be activated by little red and white screws.</span></div>
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<span style="font-family: "Courier New", Courier, monospace;">Es gab zu dieser Uhr auch noch etliche andere optionale Zusätze wie z.B. eine Mechanik, durch die die im Jahresverlauf wechselnde Tageslänge nachgebildet wurde. Damit konnte man dann z.B. die Beleuchtung immer eine Stunde nach Sonnenuntergang ein- und eine Stunde vor Sonnenaufgang wieder ausschalten - alles mechanisch und automatisch.</span></div>
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<span style="color: red; font-family: Courier New;">For the time switch secveral optional addons were available. For example there was a mechanical addon, mountable on the backside of the clockwork housing, which simulated the variation of sunset and sunrise times over the year. So it was e.g. possible to always switch on the lighting 1 hour after sunset and to Switch it off 1 hour before sunrise - completely mechanical. </span></div>
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<span style="font-family: "Courier New", Courier, monospace;">In dem silbernen Zylinder befindet sich die Uhrfeder, die über die kleine Kurbel an der Seite vom Motor aufgezogen wird.</span> </div>
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<span style="color: red; font-family: Courier New;">Inside the silverish cylinder there ist the reservoir spring of the mechanical clock. The spring is wound by the motor via a small crank on the side of the housing.</span></div>
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<span style="font-family: "Courier New", Courier, monospace;">In der Mitte dieses Bildes erkennt man die Isolierstoffwalze hinter den drei Leistungskontakten. In dieser Walze ist ein Schwingmotor eingebaut. Das ist ein sehr einfach und robust gebauter Elektromotor, der sich aber nicht dreht sondern nur mit der Netzfrequenz hin- und her vibriert. Durch eine Zahnradmechanik am rechten Rand wird erreicht, dass durch diese Vibration die Walze mit den Schaltnocken trotzdem in eine Richtung transportiert wird und so die Leistungskontakte schliessen bzw. öffnen kann.</span></div>
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<span style="color: red; font-family: Courier New;">In the middle of this picture behind the power contacts you can see the switch drum. It is hollow and contains a vibration motor - this is a simple and robust electrical motor. Instead of turning, this motor vibrates with the frequency of the power grid. </span></div>
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<span style="color: red; font-family: Courier New;">By a gear mechanism the vibration is transformed into a rotation of the switch drum thus operating the contacts.</span></div>
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<span style="font-family: "Courier New", Courier, monospace;">Gleichzeitig treibt die Schaltwalze ein Zahnräderwerk an der rechten Seite an, durch das das Uhrwerk aufgezogen wird. Bei jeder Schalthandlung wird also die Feder der Uhr aufgezogen. Durch einen Mechanismus an der Uhr selbst wird verhindert, dass die Feder überspannt werden kann.</span></div>
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<span style="color: red; font-family: Courier New;">The switch drum is also connected to a gear drive on the right side which winds the clock spring. So each switching action causes the spring to be wound. A mechanism in the clock itself prevents the spring from overturning.</span></div>
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<!--[if !supportLists]--><span style="font-family: "Arial","sans-serif";"><span style="font-family: "Courier New", Courier, monospace;">Die Uhr selbst enthält ein recht hochwertiges Präzisions-Ankeruhrwerk mit Breguetspirale und 15 Rubinen. Sie ist doppelt glasgeschützt,
hat 72 Stunden </span></span><span style="font-family: "Arial","sans-serif";"><span style="font-family: "Courier New", Courier, monospace;">Gangreserve, und eine Minutenanzeige und
Sekundenanzeige sowie eine Gangfeinregulierung
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<span style="font-family: "Arial","sans-serif";"><span style="font-family: "Courier New", Courier, monospace;"><span style="color: red;">The clock itself contains a precision ancher-clockwork with Breguet spiral and 15 rubies. It is shielded by two glass containments, has 72 hours power reserve, a minutes and seconds display and a fine regulation facility (A=avancer, R=retarder) inside.</span></span></span></div>
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<span style="font-family: "Courier New", Courier, monospace;">Das Herz einer solchen mechanischen Uhr ist die Unruh mit dem Anker und der Hemmung. Die Unruh besteht aus dem Schwungrad (1) und der Spirale (2). Sie schwingt in dieser Uhr mit ungefähr 150 Vollschwingungen pro Minute. Den Anker und die Hemmung kann man bei (3) andeutungsweise erkennen. Besonders sensible Wellen solcher Uhren(z.B. der Anker und die Unruh) sind in Rubinen gelagert. Ein Rubinlager sieht man bei (7). Die Sekunden- und Minutenanzeige sieht man bei (4) und (5). Die Gangfeinregulierung bei (6).</span></div>
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<span style="color: red; font-family: Courier New;">The hart of such a mechanical clock is the balance wheel whith ancher and escapement. The balance wheel consist of the fly wheel (1) and the spiral (2). It oscillates in this clock with about 150 full swings per minute. </span><span style="color: red; font-family: Courier New;">Anchor and the escapement can be seen at 3). Shafts which are particularly sensible to friction in such clocks (like e.g. shafts of anchor and balance wheel) have bearings made of rubies. Such a ruby bearing can be seen at (7). The seconds and minutes display can be seen at (4) and (5). Fine regulation at (6). </span></div>
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<span style="font-family: "Courier New", Courier, monospace;">Auch 70 Jahre nach ihrer Herstellung läuft diese Uhr ohne Reparatur so zuverlässig und genau, dass ich den Gang nicht nachregulieren musste, seit ich sie vor einigen Wochen in Betrieb genommen habe.</span></div>
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<span style="font-family: "Courier New", Courier, monospace;"><span style="color: red;">Even 70 years after it's production this clock works reliably and precisely. I did not have to regulate it since I took it in operation several weeks ago.</span></span></div>
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A-baerhttp://www.blogger.com/profile/02377391887987144084noreply@blogger.com23tag:blogger.com,1999:blog-3845783275428802369.post-22574619466289125252015-06-10T06:15:00.000-07:002015-06-10T06:16:08.883-07:00Primus 54 Petroleumkocher von 1957<div class="separator" style="clear: both; text-align: center;">
<span style="font-family: "Courier New", Courier, monospace;">Gleichzeitig mit dem "No1 Compact Primus Outfit" fiel mir dieser Petroleumbrenner in die Hand.</span></div>
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<span style="font-family: "Courier New", Courier, monospace;">Er war so stark korrodiert und verschmutzt, dass man die Typenbezeichnung nicht lesen konnte.</span> </div>
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<span style="font-family: "Courier New", Courier, monospace;">Es war ein Primus 54, wie sich später herausstellte.</span></div>
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<span style="font-family: "Courier New", Courier, monospace;">Er stammt aus dem Jahr 1957. Das erkennt man bei Primus an den letzten beiden Ziffern des Gerätecodes, der in diesem Fall im Pumpkolben eingeprägt ist.</span></div>
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<span style="font-family: "Courier New", Courier, monospace;">Es handelt sich um einen sogenannten "silent burner". Allerdings fehlte der entscheidende "flame spreader", ohne den der Brenner nicht betrieben werden kann.</span></div>
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<span style="font-family: "Courier New", Courier, monospace;">Zum Glück konnte ich dieses Ersatzteil bei einem britischen Händler über das Internet noch beschaffen. Es sieht so aus:</span></div>
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<span style="font-family: "Courier New", Courier, monospace;">Die Pumpe erzeugte nur noch wenig Druck. Daher hab ich ihr eine neue Lederdichtung gemacht.</span></div>
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<span style="font-family: "Courier New", Courier, monospace;">Dann wurde das Gerät gründlich entrostet, gesäubert und die Messingteile anschliessend poliert.</span></div>
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<span style="font-family: "Courier New", Courier, monospace;">Um das polierte Messing vor allzu schnellem Anlaufen zu schützen, habe ich es hauchdünn mit Antikwachs eingerieben.</span></div>
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<span style="font-family: "Courier New", Courier, monospace;">Und dann kam der Test:</span> </div>
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<iframe allowfullscreen='allowfullscreen' webkitallowfullscreen='webkitallowfullscreen' mozallowfullscreen='mozallowfullscreen' width='320' height='266' src='https://www.blogger.com/video.g?token=AD6v5dzzsJ1iN0Lm_-Y2dUnuVKS1lQrf3dtPKLIohD--0NBz4LAvrXf7TCkqj1gk86gWSelsC9dejRCbT06k6vKzWw' class='b-hbp-video b-uploaded' frameborder='0'></iframe></div>
A-baerhttp://www.blogger.com/profile/02377391887987144084noreply@blogger.com0