A tragic coil

To: "'Tesla List'" <tesla-at-pupman-dot-com>
Subject: A tragic coil
From: Tesla List <tesla-at-stic-dot-net>
Date: Wed, 18 Feb 1998 10:35:22 -0600
Approved: tesla-at-stic-dot-net

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From:  Bill Lemieux [SMTP:gomez-at-netherworld-dot-com]
Sent:  Tuesday, February 17, 1998 5:09 PM
To:  Tesla List
Subject:  Re: A tragic coil

MARK [SMTP:moyson-at-tig-dot-com.au] wrote:

I don't know whether to take this post seriously or not.  But on the off
chance
that this isn't a joke, I'll respond in what I hope is a helpful
manner...

> A capacitor 630v .01uf in parallel with primary behind the spark gap (next
> to coil)

You are connecting a capacitor rated at 630 volts to a HV supply putting
out
10,000 volts?  I wonder why the cap keeps failing?

> A very old secondary (already wound by someone else) uninsulated copper wire
> 3.2" diameter and 20"tall... 168 turns spaced by 5mm.PVC pipe type.
> Disharge terminal is just a sheet of aluminium ( for the moment)

I assume you don't really mean that the wire is uninsulated.  I assume
you
mean enamelled (transparent/translucent insulation either amber, or red,
or
green or some such).  If the wire is _really_ uninsulated, you do not
have
a secondary coil, you have created an elaborate copper cylinder...

-G

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