Re: Win tesla

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

Original poster: "Malcolm Watts by way of Terry Fritz <twftesla-at-qwest-dot-net>" <m.j.watts-at-massey.ac.nz>

Hi DC,

On 17 Oct 2002, at 16:46, Tesla list wrote:

> Original poster: "D.C. Cox by way of Terry Fritz <twftesla-at-qwest-dot-net>"
<resonance-at-jvlnet-dot-com>
> 
> 
> 
> 
> The WinTesla program is correct.  RF currents in the 50 to 300 KHZ range
> breakdown around 8.7 kV/in.
> 
> Dr. Resonance

I think the discussion centred around the gap firing voltage which 
starts after a relatively long cap charge time. 87kV/inch sounds 
pretty high even for the gap though. I'd say more like 25kV/in for 
most gaps I've played with.

Regards,
Malcolm


> 
> 
> 
> ----- Original Message -----
> From: "Tesla list" <tesla-at-pupman-dot-com>
> To: <tesla-at-pupman-dot-com>
> Sent: Thursday, October 17, 2002 7:08 AM
> Subject: RE: Win tesla
> 
> 
> > Original poster: "Lau, Gary by way of Terry Fritz <twftesla-at-qwest-dot-net>"
> <Gary.Lau-at-hp-dot-com>
> >
> > 8400V/inch sounds too low.  From the sphere breakdown voltage chart on
> > Terry's site,
> > http://hot-streamer-dot-com/TeslaCoils/Misc/SGapVolt.jpg, two 2.5cm (1")
> > spheres 0.58cm (0.228") apart would break down at 20kV peak.  Assuming
> > voltage vs. distance is linear (which does not seem to be the case from
> the
> > chart), that comes out to 87.7kV per inch.  Maybe a decimal place error?
> >
> > Gary Lau
> > MA, USA
> >
> > >Original poster: "by way of Terry Fritz <twftesla-at-qwest-dot-net>"
> > <Rscopper-at-aol-dot-com>
> > >
> > >That WinTesla value is based on 8400 volts per inch.
> > >12000/8400=1.43in
> >
> > >> >I've just started using the WinTesla program and I've noticed that the
> > fixed
> > >>> spark gap calculator is not giving the numbers that I would expect. I
> > entered
> > >>> 8 > gaps for a 12000 volt NST and it responded with 0.178 in/gap. This
> > is far too
> > >>> large.
> >
> >
> 
> 
> 
>