Re: frequency

To: tesla-at-pupman-dot-com
Subject: Re: frequency
From: "Malcolm Watts" <MALCOLM-at-directorate.wnp.ac.nz> (by way of Terry Fritz <terryf-at-verinet-dot-com>)
Date: Tue, 08 Sep 1998 19:51:07 -0600
Approved: terryf-at-verinet-dot-com

Hi Cabbott,

> Original Poster: Cabbott Sanders <cabbott-at-cyberis-dot-net> 
> 
> 
> 
> >  Is there something critical about using those particular frequencies?
> > A higher frequency would result in a smaller form requirement.
> > Another way would to use lexan strips arranged in any desired
> > diameter pattern (ala-Tesla's extra coil frame) this would also reduce
> > form losses.
> >
> > Jim McVey
> 
> Jim, if i hope to be running at 15 kw, i might as well go with a lower
> frequency, bigger secondary.  after all, how am i gonna fit 1000 turns of
> #10 on a tiny pipe? I've also heard that little coils just wont hold up to
> the higher power levels.  any feedback on this anyone?

There is most definitely an output voltage limit based on winding 
height/length. E-field control can increase the voltage rating of the 
winding somewhat but beyond that......

Malcolm