Help with primary coil design.

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Original poster: Tom Stathes <newphreak_16-at-yahoo-dot-com> 

Hello all



Hello all,
Just a quick question.
I need a little help with primary coil design.

If my secondary is 4.5in what should the inner
diameter of my primary coil be. Assuming it is a flat
pancake type primary.

The tank transformer is a  big 4kv plate transformer
that i have. (I will ballast it to 1.5kw but it can do
much more). For a tank cap i have 4 .052uf 11kvdc caps
that i will parallel.


        Thanks in advance,
              --Tom