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Re: Fw: Arc Impedance Study - Computer Models



In a message dated 98-10-13 02:43:06 EDT, you write:
  >snip
<< >    In 1998 such a system was demonstrated at the University of
 >Maryland Physics lecture hall.  The primary consisted of 2 turns of
 >2-0 welding cable wound directly around the secondary at its base (6
 >inches by 27 inches, number 18 magnet wire, 5 inch by 20 inch toroid).
 >The spark gap consisted of 3 gaps with 3 inch elkonite hemispheres
 >about 0.2 inches separation.  They were mounted on 4 inch aluminum
 >plates for heat dissipation.  The capacitance was about 0.1 uF (mica
 >red RF capacitors shaped like bricks).  The primary power was about 2
 >kilowatts.  The secondary spark length was about 7 to 8 feet.  The
 >sparks were like nothing I have ever seen since.
  >>snip

Barry,

I wonder what voltage they were using?  High voltage with low break-
rate, or very low voltage with higher break-rate?

John Freau