Michael Creigh wrote:
Just wondering about these variable vacuum capacitors you see around. Are they any good for tesla coil use, and if not then why?
Good HV performance, but usually way too small capacitance wise. They're in the 10s to 100s of pF, and the usual primary capacitor is in the 0.01 uF (i.e. 10,000 pF) range.
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