Re: Getting the bugs out- a little help, please...

["Tesla list" <tesla-at-pupman-dot-com>]

Original poster: "Chris the great" <downnessisgoingup-at-hotmail-dot-com> 

I believe he only used 9kVA to get those 15 footers.....all in all it was a 
very nice coil.




>From: "Tesla list" <tesla-at-pupman-dot-com>
>To: tesla-at-pupman-dot-com
>Subject: Re: Getting the bugs out- a little help, please... Date: Mon, 10 
>Nov 2003 21:06:22 -0700
>
>Original poster: FutureT-at-aol-dot-com
>
>In a message dated 11/10/03 8:18:30 PM Eastern Standard Time, 
>tesla-at-pupman-dot-com writes:
>
>David,
>
>Well Richard Hull used approximately that cap value for
>his Nemesis coil which used a 10kVA, 10kV piggie.
>He used 11 to 13kVA or so and got about 15 foot sparks.
>He ran at about 450 bps non-sync.  I agree that the phasing
>won't be too critical at your 480 bps.  I would think your
>piggie has the power to charge those caps pretty
>well at 480 bps.  You could certainly compare the performance
>at 240 bps and see what happens.
>
>John
>
>>There are a couple of problems that I encountered
>>though. First, my Wysock-built rotory gap is sync at
>>480 bps and w/ .0825 uFD primary capacitance, I'm
>>thinking that's a little too fast for the capacitor to ever
>>be able to fully charge before discharging across the
>>SG and that would definitely limit my sec. voltage gain.
>>I haven't built a Freau phase adjuster yet either as I'm
>>not sure that the phase angle would even be that big
>>of an issue at 480 bps. I'm thinking about removing
>>4 of the 8 rotory electrodes to go for 240 bps. Maybe
>>some of you you more mathematically inclined mem-
>>bers can tell me what the best bps rate range should
>>be for this coil. My power supply is a 10 kVA, 14400
>>volt PDT controlled through (2) paralleled 1256 variacs
>>(up to 280 volts -at- 56 amps) and ballasted w/ a seriesed
>>225 amp arc welder w/ the welding leads shorted. It just
>>seems that I ought to be able get brighter,longer, more
>>powerful sparks w/ my available power. Of course, like I
>>said, I just roughly tuned it in tonight.
>