4 Inch Teslacoil
Primary
The 4" Primary is made out of 11 turns 6mm copper tubing. Itīs strikerail is also made out of 6mm tubing.
The 4" base is just like the one from the other coils made out of a wooden groundplate and a 8mm plexisupport for the primary coil.
This is the HV-ground connection of the 4" coil.