hi. my sec is about 1700 turns . 11 cm in diameter . pri is 1 to 17 . cap is 31 (30*30 cm) glasses with 30 (25*25cm) aluminum foils between 'em . multimeter says 38.6 nF . NST is 12kV @30 mA. stationary gap with 1 or 2 mm width . _______________________________________________ Tesla mailing list Tesla@xxxxxxxxxx http://www.pupman.com/mailman/listinfo/tesla