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Old 12-13-2010, 12:09 AM   #223 (permalink)
NeilBlanchard
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So, why do piston / connecting rod / crankshaft designs seem to hit the efficiency wall at 38%? What is holding them back from getting closer to the 54% theoretical limit? The beginning of this thread has about three new rotary designs -- do any of them look to exceed 40%?
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