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      04-16-2008, 11:54 PM   #8
rzm3
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Drives: E92 M3
Join Date: Aug 2007
Location: USA

iTrader: (14)


I(rotational inertia)=Sum(Mass*Radius^2)

so if the additional mass were distributed evenly around the radius, inertia would increase linearly.

But being a wheel, most of the mass is distributed at the max radius, so inertia would increase somewhat quadratically.
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