Re: Secondary size

["Tesla list" <tesla-at-pupman-dot-com>]

Original poster: "Dr. Resonance" <resonance-at-jvlnet-dot-com> 



A larger dia, ie 10 inch, would work better.

The primary remains the same.

Dr. Resonance

Resonance Research Corporation
E11870 Shadylane Rd.
Baraboo   WI   53913
com>
 >
 > Dr. Resonance, In your opinion what size secondary diameter would give the
 > best performance for a 12 KV/120 mA coil?  I have re-designed about
 > everything on my coil two or three times now and feel that I have probably
 > achieved about as good of a performance level as possible with a 4.5" dia.
 > secondary. I don't want to spend the time to wind a new 6" secondary if I
 > need to be making a 10" one.  Also if I go to a 8" or 10" dia. secondary
 > would I also need to increase the primary coil from .25" cu tubing to 3/8"
 > or 1/2"?  Your input will be much appreciated. Also a thanks to the person
 > who posted info about using two Toroids (large one over a smaller one) to
 > control the direction of the streamers away from the primary and strike
 > rail.  It works great, I no longer get primary strikes but nice beautiful
 > horizontal streamers.
 >
 > Emmett
 > Bowling Green, Ky.