I'm wondering how you would oil this engine, since gravity is working against you, how would you make sure the top side of the cylinder gets oiled properly and how do you get return oil back into the pan without getting on things that it shouldn't?
Also, what would a horizontal do to the efficiency of the engine as opposed to a vertical? Would the horizontal engine be able to turn the crankshaft (or whatever term) using less energy?
Quote:
Originally Posted by wdb
It seems to me that the biggest benefit is that the cam's rotating masses cancel one another, which may make for a smoother running engine. (A six cylinder version would wipe that out of course.)
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How would a six not be smooth like a 4? Wouldn't it still have a rotating mass to cancel each other out? I would think this engine design would be really bad with an odd number of cylinders, but not 6.