[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
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.