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Solid Toroid Beneficial?
Gary,
I read your post with great interest. And your paper on
input impedance some time ago.
I've also experimented a lot with solid state coils -
but I've been discourage by poorly performing circuits -
and the number of fets I've blown.
My stuff is at.
http://ourworld-dot-compuserve-dot-com/homepages/alansharp/
I didn't see this shorted turn effect. I noticed that my top
toriods were getting hot and so I raised them further away from the coil
and performance increased slightly. But I was running at lower powers -
under 1kw probably 5kW peak. 14" discharge and very different geometry..
http://ourworld-dot-compuserve-dot-com/homepages/alansharp/
I have a lot of questions about your circuit and coils. I see with
interest that you are direct driving - no output transformer.
Could you be persuaded to post more details and the schematics - I'ld be
delighted to
host your material on my site.
At present I'm building a conventional coil. It is amusing that the
humble spark gap can still produce much better results than our hitech
semiconductor stuff.
Alan Sharp (UK)