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Re: Static spark gap length question
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To: tesla@pupman.com
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Subject: Re: Static spark gap length question
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From: Ed Phillips <evp@pacbell.net> (by way of Terry Fritz <twftesla@uswest.net>)
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Date: Mon, 10 Jan 2000 19:45:21 -0700
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Approved: twftesla@uswest.net
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Delivered-To: fixup-tesla@pupman.com@fixme
Tesla List wrote:
>
> Original Poster: Raycroft <k.raycroft@worldnet.att.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