Quote:
Originally posted by cbx-man
I've been watching this with interest and looked up this..
http://home.hiwaay.net/~langford/cor...gine_assy.html
This shows the corvair motor only having 4 bearing surfaces as compared to the 7 that the EG33 has. There must be some difference in harmonics because of that. Mostly due to the fact that there is less distance between the bearings for the crank to flex?!?!
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Sorry, but I don't think more main bearings will reduce the magnitude of the flexing. The flexing we are discussing is twisting of the crank and not bending. These twisting harmonics are quantified in terms of degrees of windup of one end of the crank relative to the other end.
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