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user removed · 06-09-2012, 09:56 PM

Shorter stroke engines generally are less efficient. The most efficient engine on the planet has a 3 foot bore and a 9 foot stroke, and runs at 92 RPM.

55% energy conversion efficiency, with a stroke to bore ratio of 3 to 1.

regards
Mech

06-09-2012, 09:56 PM	#11 (permalink)
user removed Master EcoModder Join Date: Sep 2009 Posts: 5,927 Thanks: 877 Thanked 2,024 Times in 1,304 Posts	Shorter stroke engines generally are less efficient. The most efficient engine on the planet has a 3 foot bore and a 9 foot stroke, and runs at 92 RPM. 55% energy conversion efficiency, with a stroke to bore ratio of 3 to 1. regards Mech