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Biggg coil in Oklahoma



All

  Project Biggg coil is under way here in Oklahoma, due to be finished
this Spring. (hopefully).  Power input is expected to be near or at 20 kW
as the control unit is now finished and tested.   The current control
will be reactive & resistive ballast.  No variac in the main power
control to the high voltage transformer, only switchable inductors &
resistors.

  The reactive control uses separate toroidal cores with high current
switches for a range of 0 to 13 mH.   The resistors are multiple heater
elements, with a range of 0.5 ohm to 0.01 ohm approx.

  The rotary is a 240 B.P.S. sync. 2 H.P. motor turning a 12" G-10 disk. 
Work will now start on the 20 kV 15 kW transformer rewind, then the
secondary coil, followed by the primary coil.
  A 20 foot tower is built ready to be erected near my shop to aid in
installing the home built toroid onto the secondary.  Design of the
toroid will be similar to Bert Pool's/Bill Emery's large toroid which
seems to work well, and is economical.(no big $$$$$ spun aluminum toroid
for me).

  Future posts will be made as progress continues.  Pic's of the Biggg
coil can be seen at www.flash-dot-net/~kreld/newpage5.htm

Coiling in windy Oklahoma

Kevin E. 
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