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Re: TC potential measurements
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- Subject: Re: TC potential measurements
- From: "Tesla list" <tesla@xxxxxxxxxx>
- Date: Tue, 15 Mar 2005 21:05:24 -0700
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Original poster: "Malcolm Watts" <m.j.watts@xxxxxxxxxxxx>
On 15 Mar 2005, at 19:33, Tesla list wrote:
> Original poster: "Dr. Resonance" <resonance@xxxxxxxxxx>
> I'm aware of Bill's 25 megaVolt claim, but if you run Antonio's
> magnifier program he would find it might be hitting 2 mV max --- and
> that might be stretching things a bit.
> Dr. Resonance
Perhaps 2MV might be a bit closer the mark than 2mV ;) Good to see
you back DC.
> > Hi DC,
> > At 06:21 PM 3/15/2005, you wrote:
> > >Terry's planar antenna and a 200 kV DC power source gave us good
> > >which we compared to the spark length measurement method. We use
> a 7"
> > >Van de Graaff sphere for most of our measurements. We used a 14"
> > >for the large coils with toroids in excess of 4 ft dia.
> > >
> > >Values were in very close agreement.
> > Glad you are enjoying the little plane antenna so much ;-)) For
> those > interested, the details are here: > >
> http://hot-streamer.com/TeslaCoils/MyPapers/planant/waveant3.html > >
> > >Even our Big Bruiser with it's 26 ft. long spark at 26 kVA was
> only > >developing 865 kV! We thought it was over a megaVolt but
> measurements > >provided the truth. > > At first I worried that
> models were predicting such low voltages... But
> > proved to be correct.... In the case of Bruiser, just round to the
> > MV :o))) I think Bill's #13 is rated 25MV ;-))
> > The DRSSTC makes streamer formation of low voltage little arcs
> building > along a path formed by the previous arcs to form the big
> arc pretty > obvious... "Disruptive" or pulsed arcs are now well
> known to arc at far > greater distance than the equivalent CW
> cases... > > Marco now seems to have achieved the real "holy grail"
> and has a system > going that can directly measure TC output voltages
> at high bandwidth > without loading down the coil oddly!!! > > >Ross
> Engineering also manufactures NBS standard traceable voltmeters >
> >accurate from DC to 1 MHZ and potentials up to 1 million Volts. Not
> > >but very accurate.
> > I "think" they are messed up by being near very high voltage AC >
> fields... The measurement active columns are not shielded to the
> extent > need to be immune from high dV/dL near them... But Marco an
> Paul seems to > have things figured out (or they will real quick now
> ;-)). > > In a short time, we will have some very accurate data to
> ponder!!! We
> > have OLTCs and DRSSTC that can reproduce sparks to stunning
> accuracy and > can be fiddled with quite independently of all those
> things that used to > annoy us so much!! > > But now worries. It
> will still be some time before National has a TC in a > 16 pin DIP
> ;-))) > > Cheers, > > Terry > > > > >Dr. Resonance > > >