Unlike most Tesla coils, [Teodor]’s design is able to run with a fairly low input voltage because it doesn’t use a static spark gap like most Tesla coils. Instead, his coil uses a relay in ...

[Jay Bowles]’ Tesla coil is based on a handheld bug zapper that you can find for a couple of bucks, or borrow from the top of the fridge in the relatively bug-free winter months. The spark gap ...

tuned circuit with a bank of Leyden jar capacitors and a coil spark gap 5 kVA power-distribution transformer antenna extending from the coil to the ceiling.