This is a video of my dual 811a power triode Vacuum Tube Tesla Coil based on Steve Ward's VTTC1 design. The secondary is a 3 inch PVC pipe wound with 850 turns of 24 awg magnet wire. The primary coil is 20 turns, with a 1000pf tank capacitor. Currently I am achieving 4-5" sparks, with minimal tuning and adjusting.
Bio:I like to make things that move, sense, calculate, compute, blink, and make noise. I like making things that create high voltages, electrical arcs, and can light fluorescent bulbs at a distance. I li...read more »