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Re: SRSG gap spacing?

Original poster: "Steve White by way of Terry Fritz <twftesla-at-qwest-dot-net>" <slwhite-at-zeus.ia-dot-net>

Hello Dave,

Two advantages come to mind in having a narrow gap spacing. The first is
power control. If you control the voltage to the primary with a variac, you
can operate the coil at lower voltages if the need arises. The lowest
voltage limit will be established by the minimum gap that you can maintain
which will fire. The second reason is that with a SRSG with 4 flying
electrodes, such as mine, there are a total of 4 gaps to fire simultaneously
to complete the circuit. When you multiply the single gap spacing by 4, you
will find that you actually need quite a small gap spacing to keep the 4
combined gaps at a reasonable spacing.

Steve: Coiling in Iowa

----- Original Message -----
From: "Tesla list" <tesla-at-pupman-dot-com>
To: <tesla-at-pupman-dot-com>
Sent: Sunday, May 26, 2002 7:57 PM
Subject: SRSG gap spacing?

> Original poster: "Dave Leddon by way of Terry Fritz <twftesla-at-qwest-dot-net>"
> What is the rational behind maintaining a narrow gap spacing on a SRSG?
> I've seen this recommendation so often in this list that it begins to take
> on the dimension of dogma.  On my coil, as the electrodes wear down and
> gap spacing approaches 1/8 inch, the performance actually seems to
>  In theory a wider gap should reduce the arc dwell time.  So what are the
> advantages?
> Dave