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Re: turnoid question

To: tesla@xxxxxxxxxx
Subject: Re: turnoid question
From: "Tesla list" <tesla@xxxxxxxxxx>
Date: Sat, 16 Apr 2005 15:55:14 -0600
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Original poster: "Mike" <mike.marcum@xxxxxxxxxxxx>

Toroid has better e-field control than a sphere (no sparks jumping off the top secondary turns). A sphere has more capacitance than a toroid with the same major diameter, but usually e-field control is more important than size.

Mike
----- Original Message ----- From: "Tesla list" <tesla@xxxxxxxxxx>
To: <tesla@xxxxxxxxxx>
Sent: Saturday, April 16, 2005 12:56 PM
Subject: Re: turnoid question

Original poster: Ed Phillips <evp@xxxxxxxxxxx>

Got to wondering something this afternoon.  What are the real
advantages of a toroidal terminal vs a spherical one?  Reason for asking
is that I saw some throwaway thin plastic salad bowls at work this
afternoon that were almost perfect hemispheres about 22" in diameter.
It would be quite easy to take a couple of those, cut off the rim, and
then  cover them with some combination of heavy aluminum foil and
aluminum tape.

Ed

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