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Re: Plexi spark shield



Tesla List wrote:
> 
> >From storey-at-stic-dot-netFri Nov  8 22:23:23 1996
> Date: Fri, 08 Nov 1996 09:46:18 -0600
> From: Storey Clamp <storey-at-stic-dot-net>
> To: tesla-at-pupman-dot-com
> Subject: Re: Plexi spark shield
> 
> Tesla List wrote:
> (snip)
> > > get a large plexiglass and place it atop your coil. It will help
> > > prevent the terminal from striking back to your secondary/primary
> > > circuits. The disk I'm using is 3' in dia., 1/4" thick.
> > >
> > > D. Gowin
> >
> > D.,
> >
> > You are disappating a lot of energy in the dielectric of that plexi!!
> >
> > The reason for the reduction of strikes is the creation of an
> > electrostatic charge plane over the entire area of the sheet.  This takes
> > energy!  About 3 times as much as establishing it in an air load with
> > proper terminal design!
> >
> > Richard Hull, TCBOR
> 
> I was planning to do the same except on the bottom between the secondary
> and the flat primary. Is that an equally bad idea?
> 
> Storey Clamp
> San Antonio, Texas


Storey,

If it is for insulation at the base where the voltages are lower it is 
OK.

Richard Hull, TCBOR