Re: Air Caps

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

Original poster: "Luc by way of Terry Fritz <twftesla-at-qwest-dot-net>" <ludev-at-videotron.ca>

Hi Winston,

Could you convince your teacher to share his design with us.

Cheers,

Luc Benard


Tesla list wrote:
> 
> Original poster: "Marry Krutsch by way of Terry Fritz
<twftesla-at-qwest-dot-net>" <u236-at-earthlink-dot-net>
> 
> Hi Terry, Cory!
> 
>         My physics teacher has a coil about 5 feet tall that puts out INTENSE
> 2.5 foot sparks (no toroid, uses a bolt as a top terminal), using a 20
> pF primary cap (if my calculations are correct).  Two 18 by 18 inch
> plates 3.5 inches apart, with air as the dielectric.  It puts out so
> many sparks per cycle that it looks like the thing is on fire.
> 
> Winston
> 
> Tesla list wrote:
> >
> > Original poster: "Terry Fritz" <twftesla-at-qwest-dot-net>
> >
> > Hi Cory,
> >
> > Usually the capacitance value of air caps (few hundred pF)is too small to
> > be useful.  Some people put them in oil to increase the value and add
> > dielectric stength.
> >
> > Cheers,
> >
> >         Terry
> >
> > At 07:57 PM 2/14/2002 -0800, you wrote:
> > >Hello all,
> > >
> > >Anyone here tried using air caps for their TC?  a
> > >pretty big one would be needed for a large tesla coil
> > >but hey other than that it sounds like a good
> > >thing........ i dunno just wondering, i saw somone's
> > >site who had them on theirs and was jw about their
> > >effectiveness....
> > >
> > >Sincerely,
> > >
> > >Cory Roussel
> > >
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