Bipolar Tesla braid in action

!: Bipolar Tesla braid in action

Here's about a minute's worth of my new bipolar Tesla coil in operation. Powered by a 7.5kV NST with 2 x 4nF 20kV capacitors. No wood or ferrous metal is used in construction. The frame is half inch (12.7 mm) PVC tubing. Arc length here is about four inches (it is capable of more). Four post static spark gap cooled by a vacuum cleaner blower. For how it was built see www.instructables.com

Bipolar Tesla braid in action

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