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Re: conical secondaries (fwd)



---------- Forwarded message ----------
Date: Fri, 15 Jun 2007 11:01:51 -0500
From: resonance <resonance@xxxxxxxxxxxx>
To: Tesla list <tesla@xxxxxxxxxx>
Subject: Re: conical secondaries (fwd)



To get the coeff. of coupling (k value) up to 0.12 to 0.14 --- desired range 
for classic spark gap Tesla coils).  A flat spiral would not give enough 
coupling if the sec coilform is less than 4 inch ID.

Dr. Resonance


     Why do some small coils have conical secondaries?  Thanks a heap.
Scott Bogard.