J F wrote:
Never have epoxied toroids, I can see one major
disadvantage using this method... You'd never be able
to rewind the same core. Epoxy is a real bear to
remove.
I've used hot glue to keep toroids in place, a little
easier to remove if needed.
Think you're better off with nail polish or acrylic..
This issue has come up before, and Elecraft has recommended that NOTHING
should be used to hold the turns of toroids together, or glue the toroid
to the board, etc. Nothing is needed and some of the materials used can
have deleterious effects.
Incidentally, the toroid cores are non-conductive and you needn't worry
about insulation being scraped from the wires on the edges of the
toroids causing shorts. In fact, even if you strip the lead too much
and the stripped portion touches the core there will not be a problem,
as long as stripped turns do not contact one another.
So...relax, wind the toroids according to the instructions and don't worry!
--
73,
Vic, K2VCO
Fresno CA
http://www.qsl.net/k2vco
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