this is kind of a small coil but i have 1/2 in steel ball that helps... my big one will have a top load first i need a new capacitor the last one was fairly entertaining when it blew :D
you should wrap some glass bottles (beer or snapple bottles work well) in foil and fill them with salt water and oil, they work great as HV capacitors (6 of them for 9 kV works for me)
i found them to be very hit and miss i prefer a mmc bank because you get exactly what you want and you can tune the coil much easier. thanks for the suggestion though.
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good job!
Yeah, it could kill a person if they were extremely unlucky.