>
>Art,
>You might look into using Delrin [high heat can be a problem] ...
Delrin has a considerably higher RF Dissipation factor than
polyethylene, but the D factor is not as bad as Nylon. When a "3kW"
antenna tuner with a Delrin roller coil was tested at the ARRL Lab, it
reportedly caught fire at 900w.
- R. L. Measures, a.k.a. Rich..., 805.386.3734,AG6K,
www.vcnet.com/measures.
end
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