Hi Scott
There’s a type of glyptol that I used a few years ago but not as brittle. It
can be found in electrical supply shops, what the name is I’m not sure.
Glenn,VA7UO
Sent from my iPhone
> On Sep 22, 2019, at 2:41 PM, K9MA <k9ma@sdellington.us> wrote:
>
> My old A3 traps, from the original Cushcraft, not MFJ, have coils coated with
> some sort of thick material. It also serves as a staking compound for the
> sheet metal screws on each end of the coil, none of which have loosened in 27
> years. (I looked at all of them.) The MFJ traps I ordered as spares are
> completely uncoated. If I ever have to put them up, I'd like to at least
> stake the screws. (Coating the coil, even with a low loss material, would
> probably shift the resonance.) Does anyone know of a material that could be
> used for this purpose? If nothing else, I suppose I could stake the screws
> with epoxy, as losses there shouldn't be critical.
>
> 73,
>
> Scott K9MA
>
> --
> Scott K9MA
>
> k9ma@sdellington.us
>
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