[AMRadio] Coil

Robert Bethman oldrotorheadsarge at outlook.com
Tue Dec 18 18:55:29 EST 2018


Jim - Aspirin with soldering pencil applying heat will allow you to tin the end of that tiny wire!

Regards, Bob N0DGN

On 12/18/2018 3:56 PM, w5jo at brightok.net<mailto:w5jo at brightok.net> wrote:
Hi all,

I have a question about something I have never done before.

I have a coil that is part of an SX-42 that opened up and can be fixed. Here is the question..I know you are waiting with baited breath.

What chemical will dissolve that insulation on the small wire?  I have fixed coils before but the wire was always large enough to scrape carefully.  Not this wire.

It is about half the size of one of the few hairs left on my head.  I have sufficient slack to resolder but don't want to chance breaking it.  By dissolving that insulation I can make the repair.

I read the answer some years back, but have forgotten.

Jim
W5JO



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