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Fuel Cell?

From: Lenny Foner <>
Date: Fri, 5 Feb 1999 00:22:27 -0500 

    Date: Fri, 5 Feb 1999 00:11:46 -0500 (EST)
    From:  (Eric LaForest)

    While we are on alternative power sources...what about flywheels?
    They seem to have a decent power density.

Not in small sizes they don't.  Rotational inertia goes as the square
of the radius.

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