Re: Hyperbaric Gap

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

Original poster: "Jeremy Scott by way of Terry Fritz <teslalist-at-qwest-dot-net>" <supertux1-at-yahoo-dot-com>

Hi,

Theoretically speaking, I think vacuum gaps probably
don't quench as good as a 'forced' air gap of the
same size.

That being said, vacuum gaps should offer less 'on'
resistance because there aren't as many air molecules
in the gap to steal precious electrons.

So to correct the quenching issue, you can space
electrodes further apart in a vacuum gap because
there is less air resistance.

Which is more important, quenching or low on
resistance
really depends on the power level of your coil. I
think low power coils would probably want the least on
resistance possible while higher power coils would
require good quenching.

What would really be interesting is to build two gaps,
one vacuum and one forced air and put them in series.

Has anyone tried this?

Another variation on the 'triggered' spark gap could
be
to negatively ionize some quantity of air and then let
it be sucked/blown through a static gap. You could
precisely control the breakdown by how much ionized
air you allow through the gap.






--- Tesla list <tesla-at-pupman-dot-com> wrote:
 > Original poster: "Black Moon by way of Terry Fritz
 > <teslalist-at-qwest-dot-net>" <black_moons-at-hotmail-dot-com>
 >
 >
 > Hmm, Does the pressure 'drop' quickly to init the
 > gap?
 > If not, it might be intresting to see what kinda
 > pressure triggered gaps we
 > could make.
 > Or what about gaps that use a 'spray' of a 2nd gas
 > that has a lower or
 > higher breakdown?
 > or mabey 2 pulses? one to init, another to quench
 > Possabley use of flameable/exposive gases to incress
 > the arc temp (lower
 > resistance) tho im not sure how long the arc will
 > last...
 > Or what about a torch trigged gap? :)
 >
 >
 > >From: "Tesla list" <tesla-at-pupman-dot-com>
 > >To: tesla-at-pupman-dot-com
 > >Subject: Hyperbaric Gap
 > >Date: Sun, 22 Jun 2003 16:36:10 -0600
 > >
 > >Original poster: "J. B. Weazle McCreath by way of
 > Terry Fritz
 > ><teslalist-at-qwest-dot-net>" <weazle-at-hurontel.on.ca>
 > >
 > >
 > >Hello Coilers,
 > >
 > >Several of you have shown interest in my spark gap,
 > so I've added a text
 > >description of it to my web page which provides
 > some details of how I've
 > >assembled it from "off the shelf" parts from the
 > hardware store.
 > >
 > >73, Weazle, VE3EAR/VE3WZL
 > >
 > >Details of my "Hyperbaric Gap" and Tesla coil are
 > at:
 > >http://www.hurontel.on.ca/~weazle
 >
 >