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Re: Optimal toroid elevation

Marco, and ALL listen up!
 
There have been plans for the Thor coil out there in public domain now for at least 10-15 (?) years (you had to buy them from the designer).  I have a copy in my archives somewhere.  You should merely consult these plans.  If you cannot get a copy of the Thor document then experimental process with a developmental Tesla coil is a sure way of learning the information you seek.  Thor did not employ an intermediary corona control system on top of the HV resonator if my memory serves me correctly.  Here again is an area where actual experimentation can result in answers to your questions.
 
For a large fee we would be pleased to do the R&D of your coil for you in our own lab.  You wouldn't have to get your hands dirty at all.
 
Why doesn't anybody want to build Tesla coils and learn from their own research?  Too often this list is sucked for 'hand it to me in a completed, with guarantee design' solution to a simple problem that exists more often than not because the writer hasn't even bothered to pick up a book about basic electricity, let alone RF theory and resonant circuits.  If you want an omlet, buy your own eggs, buy more than you think you'll need, and then head for the kitchen...yeah or call dial-an-omlet and give them your $$$$$.
 
Most of you out there are just plain lazy!  Those of you who are not know who you are and have my greatest respect and admiration.
 
Robert W. Stephens
Director
AREA31 Research Facility
www.area31-dot-org
----- Original Message -----
From: Tesla List
To: tesla-at-pupman-dot-com
Sent: Wednesday, May 24, 2000 09:24
Subject: Optimal toroid elevation

Original Poster: "Marco Denicolai" <Marco.Denicolai-at-tellabs.fi>

Hello all.

Can anybody please give me some hints about how much should be the distance
between the top of the secondary coil and the middle point of the toroid
for the
Thor coil?

The Thor secondary is 70" tall, winding is 59" long (about 4" left between top
turn and top of the secondary form).

The toroid is 59" outer diameter, the aluminium duct used is 7.9" diameter.

I thought to rise the toroid about 15" - 20 " over the secondary top: any
comments about that?

Should I use also an anti-corona smaller toroid near to the last top secondary
turn?

Regards




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