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Old 08-06-2011, 06:50 PM
raymr raymr is offline
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Join Date: Apr 2005
Location: Rockville MD
Posts: 833
Quote:
Originally Posted by sixto View Post
I have difficulty following how the crank makes 3 rotations for each rotor cycle.

Sixto
87 300D
There are 3 rotor faces, and each one sees combustion. The crank of course has to be at TDC for each combustion event. So BANG-BANG-BANG, 3 spins of the crank.

That is why the torque is so low, but the crank output speed is 3 times faster than the rotors are actually turning.
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