I've always used vacuum capacitors but talking about fire hazards: I
shunt feed a 180 foot tower on 160 and used PVC pipe for standoff
insulators every few feet up the tower. One night when calling CQ, out
the shack window I noticed someone calling CQ lighting up the country
side with brilliant flashes of light. Of course, it was my PVC
"insulators" that had carbonized and made a spectacular display when the
key was down! Moral: PVC is not a good insulator. I switched to large
glass insulators.
Dr .Wolf Ostwald wrote:
Hi reflectees !
Although it is very interesting to hear about the many ways of making HF caps for gamma matches, i want to bring about another consideration. Most of the caps described are representing a big fire hazard !
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