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Re: [TCML] first coil
With a 14" dia coilform you definitely DO NOT use an inverted cone primary.
This would give you severe over-coupling and could lead to "racing sparks"
which will destroy your sec coil.
Use a flat spiral on primary.
Run all your data thru JAVATC and you will get the correct design factor on
the first try. No guessing involved.
If you are in the states and want to email your tel off list I will call you
and help you thru JAVATC the first time. After that, it is easy and very
On Mon, Apr 28, 2008 at 12:40 PM, douglas smith <eyemfedup2@xxxxxxxxx>
> hi i have some specs to show you could you give me an idea how it looks
> 12kv 30ma nst ,primary dia .25, spacing .38, hole dia 5", angle30
> deg,20' of coil. secondary, 26awg, 940 turns, s/h 16", s/d 4.4. top load
> r/d 4", overall dia14"
> will use static spark gap w/fan ,not sure on caps yet
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