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Re: Rubber toroids





---------- Forwarded message ----------
Date: Tue, 7 Oct 1997 19:04:35 -0500
From: "DR.RESONANCE" <DR.RESONANCE-at-next-wave-dot-net>
To: Tesla List <tesla-at-pupman-dot-com>
Subject: Re: Rubber toroids 

To: Jim Lux

Cover the tube with paper mache -- then leave a small inner "access panel"
from which to puncture and remove the inner tube.  Cover with alum. foil
and cheap toroid ---viola!  One teacher I know made a 5 ft dia HV oblate
for a big Van de Graaff he built using paper mache and some winter help
from a school art class.  Output was over 1.5 MEV with sparks nearly 5 1/2
feet long!

DR.RESONANCE-at-next-wave-dot-net


----------
> From: Tesla List <tesla-at-pupman-dot-com>
> To: tesla-at-pupman-dot-com
> Subject: Re: Rubber toroids 
> Date: Tuesday,October 07,1997 11:49 AM
> 
> 
> 
> ---------- Forwarded message ----------
> Date: Tue, 7 Oct 1997 08:16:06 -0700
> From: Jim Lux <jimlux-at-earthlink-dot-net>
> To: Tesla List <tesla-at-pupman-dot-com>
> Subject: Re: Rubber toroids
> 
> I have talked to some HV experimenters who used a painted rubber inner
tube
> as a HV terminal on a tesla coil. They encountered two problems: 1) The
> ozone makes the rubber degrade very quickly; 2) If a significant amount
of
> heat is developed at any single point, the rubber gets soft.  In either
> case, you wind up with a leaking toroid,
>