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Home > Archive > Alternative Power sources > October 2005 > Re: Conservation of angular momentum, Foucault Pendulum and 'free energy'.
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Re: Conservation of angular momentum, Foucault Pendulum and 'free energy'.
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| In article <hut2f.37893$7b6.12615@twister.nyroc.rr.com>,
"daestrom" <daestrom@NO_SPAM_HEREtwcny.rr.com> wrote:
> "Scott A Crosby" <scrosby@cs.rice.edu> wrote in message
> news:oyd1x2uqn58.fsf_-_@bert.cs.rice.edu...
>
>
> The speed of rotation is fixed (1 rev/day). So the power is simply
> proportional to the force it can exert on some mechanism. Of course, too
> large a force and it stops rotating, or rotates slower than the planet (i.e.
> the drag of the apparatus causes it to gradually 'rotate' around). Too
> little drag and the unit doesn't generate useful energy. I suspect the math
> would show that enough force to cause it to rotate in space once a day would
> be the optimum.
>
> How much force it would take to cause it to rotate in space once a day would
> be a function of its moment of inertia and speed of rotation (i.e. its
> angular momentum).
>
> daestrom
>
>
My only question is "what keeps the gyro spinning?" It has its own
friction in it's bearings, and when it stops spinning, it can't generate
any energy. Any energy put into the system, must be deducted from any
energy output by the system. So again, what keeps it spinning?
Me one skeptic.......
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