Inexpensive Spark Gaps balls: Was Re: Tuning Troubles

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

Original poster: "by way of Terry Fritz <teslalist-at-qwest-dot-net>" <dhmccauley-at-spacecatlighting-dot-com>

I agree.  Great for Marx Generators also.  Here is a picture of the same
drawer (home depot) pulls used on my marx generator.
They are real nice!

http://www.spacecatlighting-dot-com/images/marxgenerator16.jpg

The Captain


 > For great spark gap balls at a great price, go down to Home Depot in the
 > cabinet section.  Look for the "drawer pulls".
 >
 > Specifically Liberty Hardware p/n P1061C-CHR-C.  It is approx. 1 1/8th
inch
 > dia. and has a chrome finish.  Very solid and comes with a mounting
mounting
 > bolt.  They also come in same size with brass finish.
 >
 > The great part is these balls are only $2.39 each!!!   You can make a nice
3
 > electrode, 2 gap, sparkgap for under $10!!
 >
 > Dr. Resonance
 >
 > Resonance Research Corporation
 > E11870 Shadylane Rd.
 > Baraboo   WI   53913
 >  >
 >  > Eight spark gaps may be wasting excessive energy in the form of heat
and
 >  > light --- especially heat.  You might try just one or two gaps for best
 >  > efficiency.  On most of our 30 mA and 60 mA coils we use just three 1/2
 > dia.
 >  > tungsten electrodes to form 2 sparkgaps.  Only on the 60 mA units do we
 > add
 >  > a 100 CFM fan behind the gaps.  30 mA doesn't require any cooling at
all
 > for
 >  > best quenching.
 >  >
 >  > Also, experiment with elevating your sec. coil in 1/2 inch increments
 > until
 >  > you hit the best coeff. of coupling.
 >  >
 >  > Dr. Resonance
 >  >
 >  > Resonance Research Corporation
 >  > E11870 Shadylane Rd.
 >  > Baraboo   WI   53913
 >  >  >
 >
 >
 >
 >
 >