Working on a new series of tungsten-hydrocarbon spark gaps...all have one electrode hollow to feed propane, alcohol, (turpentine, acetone, etc) into the gap. The ultimate goal to produce a Tesla Coil that runs from 5-10kVA 480V transformer. Some also have magnetic fields at right angles...all are Poulsen inspired...projects are on FB and slowly to Youtube and eventually electrotherapymuseum...
Tesla Coil w/ 390V hydrocarbon tungsten spark gap: http://youtu.be/aPDm5mCRHuc
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