Hi Dave,

Perhaps I misunderstood the original claim, but I thought that he was
implying that you very plainly apply a torque and then somehow, the thing
"floats" as the masses continue spinning with no applied force or torque
(except gravity).

Sean

At 09:12 PM 12/4/01 -0500, you wrote:

>I'm intrugued as to how you are supposed to set this rotating, without
>applying some force.
>If such an antigravity force is produced (how does it know what vector to
>take?) then presumably left on it's own, it would counter rotate, and relax
>to a neutral position.
>
>Is the force expended to turn it somehow less than the "anti-gravity"
>force? Most likely not.
>
>I think in the end, this will prove to be another byzantine illustration of
>the second law, and you could get more upward force just by pushing upward.
>
>
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