19 Jan 2001 20:43:47 +0100
Date: Fri, 19 Jan 2001 20:42:00 +0100
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Subject: Re: Now the Bay Area rolling blackouts begin...
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> Gyro effects are due to the rotational inertia of the wheel. If you have
> two counter-rotating wheels in the same plane, you can exactly cancel the
> gyro effect by matching the inertias of the wheels. If you do this, you
> free to move the assembly without regard to gyro torque. Manufacturing
But the wheel bearings still see the same amount of force. So the "without
regard" has its limits.
> tolerances should not enter into the equation if the speeds of the
> individual wheels are controllable.
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