Thread: Honda is developing a variable compression automobile engine: MPG up 7.4%
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Old 04-23-2009, 07:18 PM   #17 (permalink)
Deezler
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Quote:
Originally Posted by theunchosen View Post
Its one rotation of the crankshaft. One rpm=one cycle.
One complete 4-stroke engine cycle = TWO revolutions of the crankshaft

And I seriously doubt they are running at 1 rpm....
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