Uploaded June 2022 | Updated September 2026, 2 weeks ago

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Sadly the gap on negative side is to big but I'm rereading Tesla lecture and guess what:
Quote

To avoid the difficulties with frictional contacts, the preferred plan adopted was to establish the arc and rotate through it at great speed a rim of mica provided with many holes and fastened to a steel plate. It is understood, of course, that the employment of a magnet, air current, or other interrupter, produces no effect worth noticing, unless the self-induction, capacity and resistance are so related that there are oscillations set up upon each interruption.


Maybe in my subconsciousness this was circling around from few years ago when I read that :)
 
I have a mica plate used in microwaves that is big  (30x30cm) and is only 0.5mm thick.
I tested if it can handle the 10KV and that's no problem so I only need to cut it,
I'm going to get another motor (same type because it works perfect to go to higher rpm) to build a new setup.

List of previous video´s on this subject:
youtu.be/Kn4QUnh9hVI

youtu.be/vDTfklQtTGY
youtu.be/LBs2Se4Zqt0
youtu.be/QS0gkitRkQM
youtu.be/-vF1iZXXKo8
youtu.be/n8Gx97kQCJE
youtu.be/u7FwKpMHfm8
youtu.be/9WrRpAHV49M
youtu.be/U6ffjKAIBtA