Re: Toroid Design .

• To: tesla-at-pupman-dot-com
• Subject: Re: Toroid Design .
• From: "Antonio Carlos M. de Queiroz" <acmq-at-compuland-dot-com.br> (by way of Terry Fritz <twf-at-verinet-dot-com>)
• Date: Thu, 24 Dec 1998 14:17:09 -0700
• Approved: twf-at-verinet-dot-com

John H. Couture wrote:

>   This is the first time I have heard that the Van deGraaf motor slows down
> because of the upper electrode voltage. I thought the transfer of charges
> from the belt to the inside of the sphere was because the potential on the
> inside of the sphere was less than on the belt.

True, but there is strong repulsion between the up-going charged belt
and 
the terminal while the belt is still not inside the terminal, and
attraction
between the terminal and the down-going belt (uncharged or oppositely
charged,
if there is a current doubler inside the terminal).

Antonio Carlos M. de Queiroz

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