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Re: Getting the bugs out- a little help, please...
Original poster: "RIAA/MPAA's Worst Nightmare" <mike.marcum-at-zoomtown-dot-com>
a dc resonant coil with next to no ripple and a stable rsg (uniform timing
to the microsecond) might work. simply use the same power supply for a
classic tc and a magnifier.
----- Original Message -----
From: "Tesla list" <tesla-at-pupman-dot-com>
To: <tesla-at-pupman-dot-com>
Sent: Wednesday, November 12, 2003 5:54 PM
Subject: RE: Getting the bugs out- a little help, please...
> Original poster: "John H. Couture" <couturejh-at-mgte-dot-com>
>
>
> Bart, All -
>
> Why worry about a random spark length with a random energy input? Until
> coilers are able to identify the true energy input for a particular random
> extra long spark length the comparing of Tesla coils by their random
sparks
> is purely guess work. At present all coilers spark length estimates will
> have to be taken with a grain of salt.
>
> To make engineering sense a coiler would have to determine the true
input
> energy or joules for a certain random spark (of a group) and that at
present
> is impossible to measure or at least has never been done. Even the
> controlled spark and watts input would only do a fair job for comparing a
> classical TC with a magnifier.
>
> John Couture
>
> --------------------------------
>
>
> -----Original Message-----
> From: Tesla list [mailto:tesla-at-pupman-dot-com]
> Sent: Wednesday, November 12, 2003 12:09 AM
> To: tesla-at-pupman-dot-com
> Subject: Re: Getting the bugs out- a little help, please...
>
>
> Original poster: Bart Anderson <classi6-at-classictesla-dot-com>
>
> My data shows 162" (13.5 ft) identified in a photograph as longest spark.
> Richard stated it was 10kva (volt/amps reading). He may have indeed hit 15
> foot sparks at some point, but I'm certain it was greater than 10kva and
> probably in the range John mentioned.
>
> Take care,
> Bart
>
> Tesla list wrote:
>
> >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.
> >>
>
>