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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