Primary = 3 turns .040 copper wire, secondary = 1.66" Diameter X 9" AWG 28, MMC = 8 strings of 6 3900PF X 3KV caps, Toroid = 1.5" X 6". NST = 6 X 30. Most of the materials to build were leftovers from other projects except the Toriod, $20 ebay, and caps $30. https://www.youtube.com/watch?v=2l_GiIhqHKU Doug J. _______________________________________________ Tesla mailing list Tesla@xxxxxxxxxxxxxxxxxx https://www.pupman.com/mailman/listinfo/tesla