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Old 07-17-2013, 03:44 PM   #19 (permalink)
P-hack
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Quote:
Originally Posted by RustyLugNut View Post
I am quite sure this design would benefit as well.
I mean for a given displacement, the 8 cylinder is less efficient than the 4.

Yes if it can reduce engine friction by %50 (which is 10-20% of engine only losses) that would be a 5-10% increase in efficiency in itself.

less moving "parts" is good too.

Not sure about the change in piston motion, how that plays out.

see also double acting scotch yoke:
Patent US20120272758 - Double-acting scotch yoke assembly for x-engines - Google Patents
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