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Topload question



Original poster: "Robert Hanford" <pomnept-at-comcast-dot-net> 

My coil is a 6.34 diam. powered by 2  x<mailto:x15k-at-+or>15k-at-+or- 70ma NSTs. 
It's tapped at 7.5 turns of .25'' copper tubing.My topload is 6'' dryer 
duct, 18.5'' measured from the center of one side to the other. I have only 
cranked it up to about 80 volts, but I was getting about 3' maybe 3.5' 
streamers from a breakout point. I am using an SRSG.
I don't get -any- sparks without the breakout point (a sharp little tack.) 
The topload did not seem excessively big, judging by web sites. Any ideas?
Thanks in advance,
Robert Hanford