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Re: Need help with spark Gaps



Subject:      Re: Need help with spark Gaps
       Date:  Thu, 29 May 1997 19:34:34 -0700
       From:  Skip Greiner <sgreiner-at-wwnet-dot-com>
Organization: Greiner, Ltd.
         To:  Tesla List <tesla-at-pupman-dot-com>
        CC:   tesla-at-poodle.pupman-dot-com
 References:  1


Tesla List wrote:
> 
> Subject:  Need help with spark Gaps
>   Date:  Wed, 28 May 1997 21:49:24 +1000
>   From:  Peter Electric <elekessy-at-macquarie.matra-dot-com.au>
>     To: tesla-at-pupman-dot-com
> 
> I have recently completed my first working coil and I wonder if some of
> you experienced coilers out there could give me some suggestions on a
> good gap to use.
> 
> The coil is powered by 15Kv 60Ma (until I can scrounge some extra
> trannies) and it has .015uF roled poly and 15T (tapped at 8) on the
> primary and 3.5" by 21" secondary with a 20" by 10" toroid. At the
> moment I am using a airblast gap. I find this works well at about 25psi
> but the compressor runs out of air rapidly and its a bit of a hassle
> being tied to the air hose.
> 
> I thought of building a rotary but some of the previous posts suggested
> that these were not good on Neon sign trannies. Does this reccomendation
> hold for synchronous gaps as well?
> 
> Should I go for a multiple gap system (ala cylinder.txt) with a muffin
> fan, and if so, how many gaps should I use and how large?
> 
> Cheers,
> 
> Peter E.

Hi Peter

I use only synchronous rotary gaps for all of my coils. I have never
blown up a neon or other current limited transformer. I work from 700w
to about 2000w so far and have had excellent success. There are a few of
us who use SRGs and get good results.

Good luck with whatever you do.

Skip