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Re: Coax Cap?? (fwd)
---------- Forwarded message ----------
Date: Thu, 12 Feb 1998 15:41:49 -0500
From: Thomas McGahee <tom_mcgahee-at-sigmais-dot-com>
To: Tesla List <tesla-at-pupman-dot-com>
Cc: mwise-at-ns.sosis-dot-com
Subject: Re: Coax Cap??
----------
> From: Tesla List <tesla-at-pupman-dot-com>
> To: 'Tesla List' <tesla-at-pupman-dot-com>
> Subject: Coax Cap??
> Date: Thursday, February 12, 1998 1:02 AM
>
>
> ----------
> From: Zuma [SMTP:mwise-at-ns.sosis-dot-com]
> Sent: Wednesday, February 11, 1998 11:41 PM
> To: tesla-at-pupman-dot-com
> Subject: Coax Cap??
>
> Has anyone ever made a coax capacitor, such as stripping the outerlayer
> leaving just the polyethylene core and the wire intact? If so did it
> work, and did it take alot of wire to make one?
>
> Chris
>
Chris,
The polyethelene makes a very good insulator, but the coax
capacitor will have a very small value, because the surface
area of the internal wire is so small, and the thickness of
the insulation is fairly large.
While most coilers have not tried to make coax caps on *purpose*,
there are many who have inadvertantly done so by using
grounded coax as feedlines. Sometimes a resonant condition
is set up that can cause the voltage to rise excessively,
and it can over-volt the HV side of the transformer. I have
seen 40KV from a 14.4KV transformer because of grounded coax.
Others have seen even more.
Hope this helps.
Fr. Tom McGahee