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Re: SSTC Fres



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

What are the specifications of your secondary coil / topload? ? ?  Unless
you have a very large secondary (for SSTC coiling), 107kHz seems kind of low
unless its a fat stubby coil.

The Captain



 > Hi all,
 >
 > WIth my SSTC I have a resonante frequency of 107khz, which gives for
example
 > 4" arcs and draws 4amps.... Now if I run at 136khz it works exactly the
same
 > though RF power seems to be less ( not good for lighting tubes ) but still
 > gives the same spark output. Now if I run at 98khz current draw goes down
to
 > 2amps and its hard to draw sparks but it works a lot better for lighting
 > tubes. Actually it seems to electrify anything metal anywhere near the
coil
 > ( I found that out after a few burns from my variac!).  I tried all other
 > frequencies and 98,107,136 are the ones which do odd things, 107 is of
 > course the correct coil frequency. Does anyone know why these freqencies
 > does this ?
 >
 > cheers,
 > chris
 >
 >
 >
 >
 >