Originally posted by Eng.raied
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This parameter shows what amount of energy can capacitor release to the primary coil. You will have big problems to get a really big values of this parameter in homemade capacitor.there is poor isolation which will be damaged if you shortcut capacitor. If you really want build a homemade one, use aluminiun plates isolated with mica, stick it with bee wax and use oil bath to avoid HV jumping over poor isolated edges.BUt it is dangerouse, if the capacitor inside bath will not be clean, it could easy explode once you short it with spark gap.
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