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Two strange things my testing has found???
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From: wysock-at-ttr-dot-com [SMTP:wysock-at-ttr-dot-com]
Sent: Monday, March 09, 1998 11:06 AM
To: Tesla List
Subject: Re: Two strange things my testing has found???
To John, and All,
The posting below was of interest to me. I have made
both time and frequency domain measurements on my
Model 13M Magnifier, from November, 1995. As of
(I hope) tomorrow, all these images will be available to
the Tesla List at: www.ttr-dot-com. From there, go to the
"Model 13M Story." At the end of the article, there
are 19 separate figure references. Figs. 17-19 show
the waveform analysis of this system in operation.
The results obtained support the work of Ken and Dr. James
Corum, as well as that of Richard Hull and the TCBOR
development consortium.
Respectfully,
Bill Wysock.
> To: "'Tesla List'" <tesla-at-pupman-dot-com>
> Subject: Two strang things my testing has found???
> Date: Mon, 9 Mar 1998 15:53:32 -0600
> From: Tesla List <tesla-at-pupman-dot-com>
>
> ----------
> From: John H. Couture [SMTP:couturejh-at-worldnet.att-dot-net]
> Sent: Monday, March 09, 1998 12:40 PM
> To: Tesla List
> Subject: Re: Two strange things my testing has found???
>
>
> Terry -
>
> As you know there is very little information available on the waveforms
> that are produced by Tesla coils. I was thinking of writing up a short
> brochure on the subject with sketches and calcs of the waveforms. Your test
> data would be of great value.
>
> John Couture
>
> ----------------------------------------------
>
> At 08:54 AM 3/8/98 -0600, you wrote:
> >
> >----------
> >From: terryf-at-verinet-dot-com [SMTP:terryf-at-verinet-dot-com]
> >Sent: Saturday, March 07, 1998 10:47 PM
> >To: Tesla List
> >Subject: Two strange things my testing has found???
> >
> > I have been looking at voltage and current waveforms now for a few
> >days with my VI probe and there are two issue I would like to request
> >information on.
> >
> > First- The output terminals of my 15000 volt, 60 mAmp neon
> >transformer seem to have about 150pF across them internally (like a big
> >parasitic capacitance). This is causing some current spikes with certain
> >input filter circuits. Other filter circuit do better because of this.
> >Anyone ever ran into this before????
> >
> > Second- Just before the primary spark gap fires there is a little
> >current pulse I am seeing. It is about 10% of the real initial pulse but it
> >has opposite polarity. Very strange. I far as I can tell the pulse is real
> >and not a glitch or anything. It seems to almost always be there. If
> >anyone has any information on this I would love to here your thoughts. I
> >will try to get a picture of it on my web page
> >(www.peakpeak-dot-com/~terryf/Tesla/Main.html) ASAP.
> >
> > I have made a number of improvements to my system and it is working
> >very well :-) My spice models and the actual results now show excellent
> >correlation since these improvements. The little spark gap pulse does not
> >show up in the models. However, I use perfect switches and such in the
> >models. This may be hiding something that happens in real systems like this
> >pulse. I have completely overcome the bandwidth issue with redesigned
> >transducers. Now even the voltages and currents show perfect 90 degree
> >phase differences and the levels are all correct! I will write up more
> >information as time permits. I am working on detailed planes for the probe
> >and will publish them when the design is stable.
> > I am begining to set up for real TC tests using this equipment
> >rather than the test circuits I have been using so far. Now that I have the
> >VI probe working so well, it is time to really turn it loose. :-))
> >
> >Thanks
> >
> > Terry
> > terryf-at-verinet-dot-com
> >
> >
> >
>
>
>
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