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Re: spark gap

Original poster: Mike <megavolts61@xxxxxxxxx>

Can someone point me in the right direction for working out the gap
for my spark
gap ???
For 15kV, you probably want to keep the total gap under .25 inches. This, of course is an assumption based on the copper pipe diameter. I would make it 'tappable' (if that's really a word lol) and tune your coil at about half that spacing until you are sure it's running right. You might find it works very well at less than the .25 inch spacing, and if so, don't push it. NST's fry easily.

I'm using a 15Kv 20ma NST with a cap of about 0.0042uF, I'm planning on
using a
piece of off cut 3" acyrlic pipe with 3/4" copper pipes bolted around
inside, however am at a loss on how to check this is feasible and what
sort of
gap I should leave between each pipe.



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