Re: Spark Gap Tubes

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

Original poster: robert & june heidlebaugh <rheidlebaugh-at-desertgate-dot-com> 

John: All the TR tubes I ever used contained a radioactive exciter to
increasa current conduction, Mechanicly most cannot be used for a TC. So use
care and dont break them.
     Robert  H
-- 


 > From: "Tesla list" <tesla-at-pupman-dot-com>
 > Date: Thu, 18 Sep 2003 07:39:34 -0600
 > To: tesla-at-pupman-dot-com
 > Subject: Re: Spark Gap Tubes
 > Resent-From: tesla-at-pupman-dot-com
 > Resent-Date: Thu, 18 Sep 2003 07:45:15 -0600
 >
 > Original poster: FutureT-at-aol-dot-com
 >
 > In a message dated 9/18/03 6:23:04 AM Eastern Daylight Time,
 > tesla-at-pupman-dot-com writes:
 >
 > Jimbo,
 >
 > I think Tim Raney did some work with such tubes in a Tesla coil.
 > They are only suitable for very low powered work.  I'm not even sure
 > if the particular coil gave an actual spark output.  It may have been
 > used for "radiating" experiments.
 >
 > John
 >
 >> Anyone have experience with spark gap tubes
 >> (sometimes called TR tubes) from radar modulators?
 >> I checked the archives and found a brief mention,
 >> but it does not look like anyone experimented with
 >> them. They were referred to as vacuum gaps, but
 >> this is incorrect, since they are gas filled and often
 >> pressurized. They seem to have impressive
 >> specifications, but the construction does not look
 >> like it could support the power levels quoted. My
 >> guess is the peak power is high, but the average
 >> power must be rather modest. I have a 1B22 which
 >> is rated at 67AMPS for 0.75ms at 1000 PPS, or
 >> 2.25ms pulses at 330 PPS. Conduction starts at
 >> 2.7KV, about in MOT range. Big problem is, no
 >> adjustments to the gap are possible.
 >>
 >> Jimbo             jwhitmor-at-muscanet-dot-com
 >>
 >
 >
 >
 >