Re: Can you have too much air through a SG? (fwd)
---------- Forwarded message ----------
Date: Thu, 12 Feb 1998 12:03:19 +0000
From: Greg Leyh <lod-at-pacbell-dot-net>
To: Tesla List <tesla-at-pupman-dot-com>
Subject: Re: 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?
The 160kW Heise coil in Germany (circa 1964) used a
massive single static gap, "with a supersonic blast
of air directed diagonally across the gap".
More air velocity is probably better.