4" x 21" coil |
![]() |
This is my 4" x 21" coil The specs are as folows 4.25" x 21" winding length .6mm wire 900 turns 9 turn primary 8mm copper tubing 66nf mmc cap twin mot supply at 2.5kva syncronous rotary spark gap below are pics of it running These pics are captured from a capture device kindly given to me by greg hunter cheers greg |