Re: Static spark gap length question

• To: tesla-at-pupman-dot-com
• Subject: Re: Static spark gap length question
• From: Ed Phillips <evp-at-pacbell-dot-net> (by way of Terry Fritz <twftesla-at-uswest-dot-net>)
• Date: Mon, 10 Jan 2000 19:45:21 -0700
• Approved: twftesla-at-uswest-dot-net
• Delivered-To: fixup-tesla-at-pupman-dot-com-at-fixme

Tesla List wrote:
> 
> Original Poster: Raycroft <k.raycroft-at-worldnet.att-dot-net>
> 
> Hi all,
> I was wondering what the advantage of having a spark gap set to a small
> length is.  With a 15kv NST, you should be able to set the gap at about
> 3/4 of an inch, yet many people set them at around .2 or .3 inches.
> couldn't you get much greater voltage across the capacitor by widening
> this, or does too long a charge time (most of the cycle) do something
> bad?  So far, I have set my gap at about 3/4" and get good results.
> Could my output be improved with a smaller gap?

	That's a good way to blow up your transformer.  Set the gap so that,
without the primary circuit connected, it just fires.

Ed

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