On Jan 4, 2006, at 9:49 PM, KD7QAE wrote:
> All,
>
> While testing some cores in the shop tonight I happened to grab a hunk
> of 10AWG solid Cu insulated house wire and threw 10 turns on a T400
> core. It sure was pretty, all red and grey with big white turns. The
> insulation looks like it would handle much more than 600V with a heavy
> plastic (PVC?) and a thinner clear (nylon?) secondary insulation. My
> questions are this: Has anyone hipotted this kind of wire and has
> anyone
> RF tested this insulation?
Nylon has a horrid D-factor.
> The conventional wisdom has you double tape
> the core with silicone or fiberglass tape and wind with a TFE sleeved
> wire. Perhaps the use of house wire would simplify this step(?).
Stranded #10 TFE hookup-wire works well for RF toroids.
>
> I am now ducking and waiting for the sound thrashing I deserve!
>
> Tomm, KD7QAE
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>
>
Richard L. Measures, AG6K, 805.386.3734. www.somis.org
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