[TCML] dry cap voltages and corona

[david baehr]

Hi, I have a friend that built a very nice coil, and he made poly flat plate caps  and arranged them so each unit  saw (approx ) 5kv or less ( figuring 2 X the trans V output of 15K volts ).  He has had no failures, and said he read somewhere that with voltages up to 5000v , corona isnt a problem ,...
                              homemade caps without oil sounds intresting, (i have oil filled rolled now ) . any comments on the 5000 volt rule ??
 
          Thanks,dave
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