RE: need help tuning my coil:

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

Original poster: "Mark W. Stolz" <mark_w_stolz-at-hotmail-dot-com> 

Pat,

I'm thinking you should probably be tapped at turn 6 or maybe 8.
Considering the smoothness of the toroids John Freau supplies, a breakout 
point might be needed during the initial tuning.

I have a similiar coil powered by a 7.5/30 NST that produces 12", so you 
can easily do more than 5".

Mark Stolz
Pearland, TX
http://teslacoils4christ-dot-org/


>From: "Tesla list" <tesla-at-pupman-dot-com>
>Original poster: Pat Masterson <bat-at-grumman-dot-com>
>
>  I need some suggestions on the poor performance of my first coil in
>20 years. The best I'm getting is 5 inch weak streamers, but only when
>tapped at turn 2 of my primary. Here are the coil's components:
>-primary is quarter inch refrigerator tubing space a quarter inch. I have
>about 10 turns on the board.
>-cap is 5 geek 150 NFs in series, making 30 NF.
>-HV is a 7500v/60 ma NST. (have RF chokes on both sides)
>-single static gap with a 4 inch fan blowing hard on it. A larger gap 
>(around .06 in)
>seems to give best performance.
>-secondary is a 2.375 PVC with 1300 turns of 28 ga wire, about 18 inches 
>of wire.
>-Topload is a Freau 6 inch aluminum toroid.
>
>  I have adjusted the caps from 25 NF up to 33 NF and didnt see much 
> difference.
>When I move my tap out from turn 2 I lose the streamers. Any ideas whats 
>wrong with my
>setup?
>
>Thanks.  -pat
>