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" Everything moves in one direction--nothing ever reverses direction."
Not exactly the case. The rotors revolve around an eccentric, (a short-throw crank, if you will) which means its mass is moving back and forth a few inches while it spins. Think of trying to hold a few pounds of aluminum as it spins and moves its axis through a three inch circle with each revolution, at 8000 rpm.
A whole lotta shakin' goin' on!
Les
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Best
Les
My train of thought has been replaced by a bumper car.
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