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RE: magnetically quenched gaps

Original poster: "David Kyle by way of Terry Fritz <twftesla-at-qwest-dot-net>" <dave-at-kyleusa-dot-com>

I am very intrigued by the concept of a magnetically quenched spark gap
and I am curious on what basis they operate. Can anyone explain the
principle as to how they aid the quenching of a static gap of an AC
driven Tesla coil? 

Has anyone successfully demonstrated a magnetically quenched gap with a
measurable difference with and without the magnetic field?

Can the magnetic field be stationary using permanent magnets?

What is the most effective geometry to place the magnets?

How strong must the field be? 

Would there be benefit in using a powerful electromagnet operating in
sync with the primary supply?

Dave Kyle
Austin, TX USA
Email: dave-at-kyleusa-dot-com

-----Original Message-----
From: Tesla list [mailto:tesla-at-pupman-dot-com] 
Sent: Monday, May 06, 2002 10:00 PM
To: tesla-at-pupman-dot-com
Subject: Re: magnetically quenched gaps

Original poster: "Ed Phillips by way of Terry Fritz
<twftesla-at-qwest-dot-net>" <evp-at-pacbell-dot-net>

Tesla list wrote:
> Original poster: "rheidlebaugh by way of Terry Fritz
<twftesla-at-qwest-dot-net>" <rheidlebaugh-at-zialink-dot-com>
> Greg: I am starting to build a Magnrtic gap. I have obtained some ring
> magnets off of old speakers. They are heat glueds to the steel frame
> come off with heat. The largest I have found is 100 cm OD which I will
> first. I have a max power source of 30 amps also so I dont like the
> cleaner motor idea. No tests yet.
>     Robert  H

> >
> > Could someone give me some guidelines for constructing a
> > quenched gap? I would like to use a static gap in series with my new
> > RSG, but can't really afford the extra power drain of an air
> > or large vacuum cleaner motor. I need to have a gap that uses
> > power as I only have about 30 amps to play with, and I want as much
> > possible going to the actual supply transformer! A magnetic gap
> > to be the best alternative.
> >
> > Cheers,
> >
> > Greg Peters

	The permanent magnet idea sounds good, if you build a decent
return circuit out of CRS or something like that.  Remember that the
magnetic field must be TRANSVERSE (cross-wise) to the direction of the
spark.  I'd really like to see a successful result from this.