11 ft streamers
Why would you want a tesla coil?
It can´t be used for anything, except producing streamers.
But if you want to look into one of natures greatest mysteries, hot plasma spark channels flying through the air, you might want to build one.
Primary coil: 1/2 inch copper tubing, 6 turns
Secondary coil: 12.5 x 40 inch, 850 turns awg 18
Main toroid: 12.5 x 60 inch
Toroid height: 7 feet above floor
Capacitor: MMC 200 nF 36 kV DC
Spark gap: Rotating, 6 tungsten electrodes, 14 inch disc, 340 brakes per second, asynchronous
Input: 12 kV AC 1.8 amps
Stockholm Tesla Coil