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Re: posting images & 2kW coil performance
I have a 6.5" coil that drive 86" of arc at 3.5 kw. The circuit capacitance
is .026 uF. I believe that the coil would perform better if I had more
space. You see the nearest object to strike is 86" away.
I had a 4.5 coil running at 3-4 Kw that produce a occasional 60" arc with
48" - 54" nominal. If you want longer brighter arcs, I would suggest more
capacitance
Paul M
>From: Tesla List <tesla-at-pupman-dot-com>
>To: tesla-at-pupman-dot-com
>Subject: Re: posting images & 2kW coil performance
>Date: Tue, 13 Jul 1999 18:36:46 -0600
>
>Original Poster: "R.E.Burnett" <R.E.Burnett-at-newcastle.ac.uk>
>
>
>On Mon, 12 Jul 1999, Tesla List wrote:
>
> > Original Poster: Alex Crow <user-at-alexcrow.clara-dot-net>
> >
> > With my 6.5" coil I now get 72" occasional sparks and a continuous power
> > arc of around 55-60" for 2kW of neons - anyone do any better or does
> > this sound reasonable?
> >
> > Alex Crow
>
>Hi Alex,
>
>I was very impressed with the performance of your coil at the Telsathon.
>No, I haven't got anywhere near 72" with my rotary gap coil, but I
>haven't run at 2kW yet. I'll let you know.
>
>I am interested in several aspects of your 6.5" coil. Have you actually
>measured the supply cord voltage and current at full power. Also have you
>got any idea roughly what voltage the cap bank charges too and roughly
>what the break rate is ? (I seem to remember it sounded quite slow ?)
>What is the inductance of your secondary coil, number of turns etc. ?
>
>Sorry for all the questions, but I really want to know the secret of how
>to get 6 ft sparks !
>
>(Please don't flame me if you already posted the spec before.)
>
> Cheers,
>
> - Richie,
>
> - In sunny Newcastle.
>
>
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