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Question



Original poster: "EMMETT SECREST" <secrest2032-at-msn-dot-com> 

Hi Everyone,
I am hoping someone will provide some insight to a beginner.  I purchased a 
secondary coil off of Ebay and am planning on building my first TC. I have 
been reading postings and studying everything I can find.  At this point I 
just need some clarification. I think I have done this backwards by buying 
a premade secondary. If I am correct in my thinking, since the secondary 
coil is a fixed factor ( 4.5 dia. 22.5 High) I will have to play with the 
Toroid size to make the secondary resonant frequency match the frequency of 
the primary circuit.  I have a 12KV/60mA NST and plan on using a series 
static gap but am uncertain how many piecesof 3/4" copper tubing I shoud 
use. If someone could advise me on this or point me in the direction of an 
answer I would appreciate it.