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Re: The terrible torroid



> I had just got a brand new torroid (20"). 
> I happily placed it on the top of the secondary, turned on the power, 
> and... lots of noise, but no spark! At all!
> What happened?

Putting a larger discharge terminal on would change your resonant 
frequency and you would need to retune your primary accordingly.

Also, if the toroid is a lot larger (i.e. - much larger capacitance), your 
single neon sign transformer might not have enough power to drive it?


Steven Roys (sroys-at-radiology.ab.umd.edu)