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Re: SECONDARY SPACING ??

 * Carbons Sent to: usa-tesla-at-usa-dot-net

Quoting Mark Graalman
mark.graalman-at-mediccom.norden1-dot-com         
or
71612,1234-at-compuserve-dot-com

> I'm getting about 600-650 watts per foot with Pandora, I'm not sure
> but I think Hull's Magi's are doing around 350 watts per foot.
> Anyway, the primary is a flat spiral wound with 3/4"OD CATV hardline
> with 1/2" between turns, the primary OD is about 30" and its tapped
> at about 6 turns, the pri/sec coupling is about .16 (16%).
> The primary capacitance is .09 ufd with two homemade flat plate
> HDPE capacitors, one is .03 ufd and the other is .06 ufd. The primary
> wiring is done with a "homemade" Litz cable made from 15 interwolven
> strands of 10 gauge copper wire, the primary inductance is about 18 UH
> and the stray inductance in the primary wiring is just about zero.
>  The spark gap is a rotary, with a wheel diameter of 8" and 8 electrodes
> I spin it at 5500 to 6000 RPM for about a 750-800 BPS rate. I also use
> two fan blown series gaps in series with the rotary. The primary 
> voltage at full tilt is about 10KV. The secondary coil is 8 3/4" in dia.
> and is wound for a distance of 30" the top 5 turns space wound. The
> resonate frequency of the secondary alone is 250KHZ but with the torus
> on top it drops to about 130 KHZ and during operation down to about
> 115-120 KHZ. The secondary form was prepared with 5 coats of poly before
> winding and 7 coats after, the windings are completely imbedded in it.
> The secondary inductance is about 25 MH.

Sounds sweet Mark!

Richard Quick
... If all else fails... Throw another megavolt across it!
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