Re: Primary: flat or conical ?
In a message dated 7/20/99 9:42:40 PM Pacific Daylight Time, tesla-at-pupman-dot-com
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> Either way you choose to go, the results will be good. One note though, if
> make a helical primary, don't make it go more than 15% up the length of the
> secondary, or you might experience some corona from the primary to
Using my original 30 degree bowl shaped primary with my 6.0" diameter
secondary at 12kv 120 ma with all the lights out, I could see a very strong
blue corona between the primary and secondary which looked very much like a
blue Christmas tree.