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Tuning coil ferrite core
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Return to top of page · Post #: 1 · Written at 11:53:56 AM on 17 December 2009.
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Location: Melbourne, VIC
Member since 5 October 2009 Member #: 555 Postcount: 465 |
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In the tuning coils of one of my old valve radios eg. IFT's, there is some type of 'plastic strip' inserted between the ferrite core and the transformer thread. Without this 'strip' the ferrite cores are quite loose and difficult to adjust accurately. What is this stuff? What can I use as a replacement?? Ian ‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾ Cheers, Ian |
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Return to top of page · Post #: 2 · Written at 3:10:32 PM on 17 December 2009.
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Location: Wangaratta, VIC
Member since 21 February 2009 Member #: 438 Postcount: 5254 |
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Some of that was a form of rubber. One could experiment with th PTFE "Teflon tape" used on pipe threads. |
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Return to top of page · Post #: 3 · Written at 12:09:58 PM on 18 December 2009.
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Location: Melbourne, VIC
Member since 5 October 2009 Member #: 555 Postcount: 465 |
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Marc, ‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾ Cheers, Ian |
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Return to top of page · Post #: 4 · Written at 12:47:19 AM on 19 December 2009.
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Location: Wangaratta, VIC
Member since 21 February 2009 Member #: 438 Postcount: 5254 |
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That's one win for the day ! |
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