Message text written by Randall Young
>> I would hope KK was measuring this with a bare crank sitting on a
> vibration
> table. There is little chance the main bearings would survive or
> even allow
> the crank to bend 5/8 of a inch.
No, I'm pretty sure this was a running engine. Just a WAG, but I'd say he
was trying to troubleshoot a longevity problem ...
<
If the flywheel is 12 inches in diameter (6 inch radius) and displacing 5/8
of an inch fore/aft, this translates to a 6 degrees of angular displacement
(+/- 3) hich isn't very much. But enough to fatigue the metal,
appearently.
Dave
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