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1treePetrifiedForestLane
Guest
the pistons?... the rotor in a Wankel?
(NASCAR allows rotary enginges, but
you have to pile 400# od deadweight
into the trunk, or some where .-)
> what do you mean by harmonic motion,
(NASCAR allows rotary enginges, but
you have to pile 400# od deadweight
into the trunk, or some where .-)
> what do you mean by harmonic motion,