Re: Static Spark Gap question

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

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

Gerry R: I use a hack-saw blade as a spacer gauge with 8 pipe segments in my
spark gap. It works well for me.
    Robert  H
-- 


 > From: "Tesla list" <tesla-at-pupman-dot-com>
 > Date: Tue, 09 Sep 2003 22:01:19 -0600
 > To: tesla-at-pupman-dot-com
 > Subject: Re: Static Spark Gap question
 > Resent-From: tesla-at-pupman-dot-com
 > Resent-Date: Tue, 9 Sep 2003 22:06:20 -0600
 >
 > Original poster: "Gerry Reynolds" <gerryreynolds-at-earthlink-dot-net>
 >
 > I have the physical room for 16 pipes so will put them in, but that doesn't
 > mean I have to use them.  I will experiment with the number of segments
 > starting from low and go higher.  I just need to know what spacing I need to
 > base the string on before I glue the
 > segments down.  Right now, I'm leaning toward a 25 mil gap for a maximum
 > total gap of 345 mils.  This will give me a little more range to compensate
 > for altitude.  I will
 > try to measure the BPS, primary voltage, quench time, and try to note
 > qualitatively the spark output.
 >
 > In my mind, it is still not clear whether to use LTR cap (2*Cres) or go STR.
 > Richie Burnett seems to prefer the Cres or STR.  I will do these
 > measurements with a variety of Cp values.  In any case, I will not allow the
 > NST to be overvolted by resonate rise.  I will publish the results when
 > finished.
 >
 > I have the PVC pipe but the first SG will be flat with the fans blowing down
 > directly on the spark gaps.  My thinking here is to get the ionized stuff
 > out of the gap as quickly as possible (sorta the inverse of the vacuum gap)
 > maybe at some expense of cooling although some air flow will be directed
 > thru the pipe centers as well.  With the TCBOR configuration, I was thinking
 > that the air flow has to travel the full length of the pipe before the
 > ionized stuff is expelled.  I'll probably do both before I get to a SRSG.
 > There will be two safety SGs, one from each side of the main gap to ground
 > and these will be set to fire if anything gets higher than NST rating.  The
 > Terry filter is already in place.  I will count on the SSG and the filter
 > for NST protection and not count on the main gap for protection.
 >
 >> You could build a 12 segment gap and then do some testing at 3,4,5, etc
 >> segments until you get the best performance.  Put them all the long way
 >> inside a 5" ID PVC tube and affix a 100 CFM fan to one end.
 >>
 >> I would still keep total gap under 0.300 absolute max to keep from blowing
 >> your NST.  0.250 inch seems to work well as total gap setting for NST'.
 > Use
 >> a good Terry filter as well.
 >>
 >> Experiment and let us all know what works the best at your elevation.
 >>
 >> Dr. Resonance
 >
 >