Re: Counterpoise?

• To: tesla-at-pupman-dot-com
• Subject: Re: Counterpoise?
• From: Travis Tabbal <bigboss-at-inquo-dot-net> (by way of "Terry Fritz (moderator)" <twf-at-verinet-dot-com>)
• Date: Sun, 06 Dec 1998 07:43:32 -0700
• Approved: twf-at-verinet-dot-com

> A counterpoise is a good alternative to an earth ground for a small coil.
 You
> did not say how much power you are running.  If the supply is 12 or 15 kv at
> 30 or 60 ma, I would think a counterpoise would work well, especially for a
> portable, indoor type coil.  A couple of chunks of mesh metal screen or
> fencing maybe 5 ' x 5 ' each should work well.  Just lay them on the
floor off
> to one side or directly under the coil, connected together and to the
base of
> the secondary.  Someone should be able to calculate just how many square
feet
> of conductor is required for this based on the power supply size, but I
would
> not know how to do it.  Sounds like a good math project for someone.

It's 15kv at 60ma. In case someone knows how to calc this, please include
the equations for future refference.

Travis

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