Re: air variable capacitor

["Tesla list" <tesla-at-pupman-dot-com>]

Original poster: "by way of Terry Fritz <twftesla-at-qwest-dot-net>" <Mddeming-at-aol-dot-com>

In a message dated 1/11/02 11:18:05 AM Eastern Standard Time, tesla-at-pupman-dot-com
writes:



>
> Original poster: "rheidlebaugh by way of Terry Fritz <twftesla-at-qwest-dot-net>"
> <rheidlebaugh-at-zialink-dot-com>
>
> The basic question for you to ask, is what is the breakdown voltage of the
> capacitor?  I  suspect it may be low. If the plates are less than 3/4 in
> appart a NST will probably arc between plates. Try it with just a NST and no
> other parts. If it doesn't arc it should work. You may need to add more cap.
>   Robert  H


Interesting idea.
Perhaps a cylindrical plastic container, filled with transformer oil with a
hole through the lid for the control shaft, would allow a high enough voltage
rating for a variable TC cap. It could be run parallel to a fixed cap to give a
degree of tuning.
Tewscents,
Matt D.