Gravity bends a crank?

[rheltzel]

Originally Posted by bbrocksr

Cast iron cranks will definitely sag if stored horizontally and not supported correctly! The longer and heavier they are the more apt they are to sag. If you don't believe it you just haven't experienced it yet.
A Model A crank which is shorter, lighter and made of steel is not so apt to sag if stored horizontally.
Bill

And you base this assertion on what empirical evidence?