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Re: Can you have too much air through a SG? (fwd)
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To: tesla@pupman.com
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Subject: Re: Can you have too much air through a SG? (fwd)
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From: Tesla List <mod1@pupman.com>
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Date: Thu, 12 Feb 1998 22:33:53 -0700 (MST)
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Approved: mod1@pupman.com
---------- Forwarded message ----------
Date: Fri, 13 Feb 1998 09:49:41 +1200
From: Malcolm Watts <MALCOLM@directorate.wnp.ac.nz>
To: Tesla List <tesla@pupman.com>
Subject: Re: Can you have too much air through a SG?
Hi Mike,
> From: Mike Harrison [SMTP:wwl@netcomuk.co.uk]
> Sent: Wednesday, February 11, 1998 11:55 AM
> To: tesla@poodle.pupman.com
> Subject: Can you have too much air through a SG?
>
> I've just built a R.Quick style cylindrical gap for my first coil,
> using a 4" pipe and 22mm copper tubes, with a VERY powerful 9" EBM
> centrifugal fan I had lying around, boxed up to route the air through
> the PVC pipe. If I had a tennis ball handy, it'd probably float on the
> airflow - seriously windy!
> Obviously you can never have too much cooling, but can excessive
> airflow impair gap performance? - I'll be initially running 7KV at
> about 30mA from a conventional (i.e. not neon) transformer , hopefully
> 9KV when I can get a microwave tranny to put in series.
> Do I need to put a speed control on the fan?
Mightn't be a bad idea. I have seriously degraded gap performance by
blowing a high pressure jet of air through it but this was something
of an extreme experiment in investigations relating to quench issues.
Malcolm