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RQSG Cylindircal style question



Original poster: "Anthony R. Mollner" <penny831@xxxxxxxxxxxxx>

I have one that has 6 gaps and a fan but it's a bitch to adjust it.
Tony

-----Original Message-----
From: Tesla list [mailto:tesla@xxxxxxxxxx]
Sent: Sunday, February 18, 2007 6:04 PM
To: tesla@xxxxxxxxxx
Subject: [PHISH] Re: RQSG Cylindircal style question


Original poster: "Gerry  Reynolds" <gerryreynolds@xxxxxxxxxxxxx>

Hi Vinnie,

My cut on static spark gaps is based on a fixed voltage drop for each
gap surface (1) plus the drop (or loss) in the spark channel (2).

The first loss #1 would suggest having only one gap to keep the
number of copper-air interfaces down.  The down side to only having
one gap is it needs to handle the entire power loss.  Maybe the
answer to your question is use as few a number of gaps that you can
still keep cool.  Good air supply, large surface area, and reasonable
length pipe all help to spread the heat out.

Terry has built a SG with many many gaps where each gap is very
small.  I have tried his scheme and it worked very well.  In my case,
each gap was a little wider than Terry's so clogging of the gap was
less a problem. I switched to SRSG's before exploring the best
tradeoffs so I didn't try to minimize the number of gaps.

Gerry R.



----- Original Message ----- From: "Tesla list" <tesla@xxxxxxxxxx>
To: <tesla@xxxxxxxxxx>
Sent: Saturday, February 17, 2007 5:11 PM
Subject: RQSG Cylindircal style question


>Original poster: "Vinnie" <teslatech@xxxxxxxxxxx>
>
>Hello All
>
>In the process of upgrading my coil and I plan on upgrading or
>building a new cylindrical style RQSG.
>I've forgotten where I've placed the power specs.  Does anyone know
>how many segments and gap spacing I would need
>for a 12,000v @90ma input with 8 series 942c20p15k? I'm upping from
>my previous input of 12,000v @60ma.
>Perhaps it's not advisable without a larger cap value?
>
>Thanks for your time
>
>Vinnie
>
>
>
>
>