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Re: Toroid Modification

Original poster: "Chris Rutherford" <chris1@xxxxxxxxxxxxxxxxxxx>

Hi,

I have recently re-tuned my coil after going from a sphere to a torrid. The toroid has a much greater capacitance than the sphere, therefore in my case once tuned for the toroid, adding the sphere to the torrid had only a small effect on the resonant frequency and I did not have to re-tune to have both.

pic :- www.hackinghardware.com/tesla/torsphere.jpg

Spark length is just under 60cm and adding/removing the sphere has little effect on the spark length.

Thanks

Chris





Thanks

Chris

----- Original Message ----- From: "Tesla list" <tesla@xxxxxxxxxx>
To: <tesla@xxxxxxxxxx>
Sent: Sunday, July 31, 2005 7:07 PM
Subject: Toroid Modification


Original poster: "Mike Knowlton" <amdx@xxxxxxxxxxx>

I'm working on a topload toroid for my 8.5in x 39in TC.
I see some with a double toroid, I'm wondering if a bowl
supporting a toroid would have a similar effect.
  Please see pictures at
<http://www.knology.net/~amdx/>http://www.knology.net/~amdx/

  If this seems acceptable I'll dress it up with aluminum tape.
What is your feedback?

                      Thanks, Mike K.