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Re: Gap Arc Voltage HERES ONE TO THINK ABOUT

To: tesla-at-pupman-dot-com
Subject: Re: Gap Arc Voltage HERES ONE TO THINK ABOUT
From: "Tesla list" <tesla-at-pupman-dot-com>
Date: Tue, 23 Jul 2002 20:28:43 -0600
Resent-Date: Tue, 23 Jul 2002 20:29:00 -0600
Resent-From: tesla-at-pupman-dot-com
Resent-Message-ID: <vdfWND.A.w5F.oDhP9-at-poodle>
Resent-Sender: tesla-request-at-pupman-dot-com

Original poster: "Antonio Carlos M. de Queiroz by way of Terry Fritz <twftesla-at-qwest-dot-net>" <acmq-at-compuland-dot-com.br>

Tesla list wrote:
> 
> Original poster: "Mccauley, Daniel H by way of Terry Fritz
<twftesla-at-qwest-dot-net>" <daniel.h.mccauley-at-lmco-dot-com>

> So in the end, the amount of voltage required to gap across two spheres is
> much more than the voltage required to gap between an infinite plane and a
> sphere at the same distance.

A ball-plane gap sparks at about one half of the voltage required for
a ball-ball gap with the same width.
A nice trick to obtain long sparks with a small electrostatic machine:
http://www.coe.ufrj.br/~acmq/bwehrsen.jpg
http://www.coe.ufrj.br/~acmq/waz12.jpg
http://www.coe.ufrj.br/~acmq/wazlspk.jpg

Antonio Carlos M. de Queiroz

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