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Re: Inert gas SG
whoa, how do you know that all the air is out, cause you dont want oxygen in
there when you fire the gap right? I like this method if it is safe.
----- Original Message -----
From: "Tesla list" <tesla-at-pupman-dot-com>
Sent: Wednesday, September 13, 2000 12:32 AM
Subject: Re: Inert gas SG
> Original poster: "Jim Lux" <jimlux-at-jpl.nasa.gov>
> > From: Tesla list <tesla-at-pupman-dot-com>
> > To: tesla-at-pupman-dot-com
> > Subject: Inert gas SG
> > Date: Tuesday, September 12, 2000 5:13 PM
> > Original poster: "Alex Madsen" <alexmadsen-at-netzero-dot-net>
> > Inert gas SG
> > I was thinking to avoid oxidation on SG one should be able to fill ones
> > with an inert gas such as He, Ar or CO2(will the co2 brake down -at- 15kv?)
> > avoid the UV and x-rays produced in a vacuum. Unfortunately I can not
> > the breakdown (dielectric) voltage for any of these gases. Even in my
> > and Phy. Handbook.
> http://home.earthlink-dot-net/~jimlux/hv/insulgas.htm has those gases, as well
> as others.
> Does any one know where I can find this info? My pan is
> > to build an air-tight Plexiglas box to go over my SG with some valves in
> > to let in the gas. If it is strong enough I will first evacuate it with
> > vacuum pump. If that does not work I would just have to flush it out
> > lot of gas which could get expensive fast!! I will also need to build
> > sort of manipulator to adjust the SG.
> Lots of folks have built sparkgaps (although not necessarily for tc's)
> run in all manner of gases. Probably one of the most popular is hydrogen,
> which has good thermal properties, and quenches quickly. An easy way to
> make a hydrogen gap is to put some alcohol in the bottom of the container
> for the gap, heat it slightly to vaporize the alcohol and force the air
> out, then seal the container. The gap runs in alcohol vapor, which under
> the effect of the spark dissociates to hydrogen, etc.
> > Comments please
> > Alex Madsen qpvvv
> > l ll
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