Date: Sat, 10 Feb 1996 19:07:16 -0800
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My apologies if the questions in this email have been answered
10 times over by now. I just signed on and am building a new coil :)
20 X 5 torroid (from American Welding & Supply)
12KV transformer -at- .12A sunk in oil
.025uf cap rated at 50KV (DC)
Spool of #26 magnet wire
Large 3 gang variac
The size of the secondary is based upon the size of my torroid.
According to the TESLAC program, I need 1800 - 4000 watts to drive
this properly. This program assumes that I use a helix that is
8" - 12" in diameter. According to the TCBA article written by
Richard Hull, that diameter is too big. My thoughts are that I should
use a 6" diameter form that is 15" in length. Does this sound okay?
Also, I have heard that gray PVC pipe is reasonable for a coil form...?
12KV -at- .12A is approximately 1440 Watts. According to the TESLAC
program this is not enough power for the secondary and torroid. The
transformer is sunk in oil. I think I can push the power rating of the
transformer to at least double for Tesla Coil operation. If I capacitively
load the transformer to double it's rating, will this work? Or will the
transformer core saturate and not give better performance?
This is a DC cap. Will this work okay in this type of a system? Also,
The reactance of the cap should load the 12KV transformer to around .1A
at 60 cycles, if I do not add additional capacity will this amount of
power drive the secondary system as stated above?
I am building an 8 pole stationary gap in a brass housing that will be
air tight. I want to quench the gap rapidly and am thinking about pulling
a vacuum on the spark housing. Will this work? Should I be filling the
housing with a "magic" gas, or pressurizing the housing?