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Re: Start up question
Subject: Re: Start up question
Date: Tue, 29 Apr 1997 16:57:05 -0700
From: Gary Weaver <gweaver-at-earthlink-dot-net>
To: Tesla List <tesla-at-pupman-dot-com>
References:
1
Tesla List wrote:
>
> Subject: Start up question
> Date: Wed, 23 Apr 1997 16:32:31 -0400 (EDT)
> From: Esondrmn-at-aol-dot-com
> To: tesla-at-pupman-dot-com
>
> When I attempt to fire up my three inch coil, most of the time it won't
> fire
> for a while after I turn it on. I slowly turn up the variac and finally
> get
> to full power and it just sits there - with no gap firing for sometimes
> many
> seconds, then it will finally take off. Once it has started, I can
> power it
> down very low on the variac setting and the gaps are still firing. Then
> I
> can turn it off and back on and get everything to work as I expect from
> then
> on, with the gaps starting to fire at about 35% of full variac control.
>
> I am using a 12kv 30 ma neon with a Richard Quick cylindrical gap. Five
> gaps
> each set at about .028". I have tried changing transformers, same
> thing. I
> added another one in parallel and it had to sit at full power for almost
> a
> minute before it started running - then worked properly.
>
> What is happening here? Is it something to do with the capacitor? It
> is a
> rolled poly cap with two layers of .062 poly between each plate for
> about
> .005 mfd.
>
> Ed Sonderman
I think you have 1 gap too many. Reduce you spark gap from 5 gaps to 4
gaps
and see if that helps.
I have a small TC with a 12K 30 ma neon and 4 gaps .025 space on each
gap.
It won't fire on 5 gaps but works fine on 4.
Gary Weaver