What? How does one break an eccentric crank?

[DAVE2744]

Hmmmmmm - It really looks like the metal was weak before the mechanical failure.  Do you remember when you removed it from the plastic box, was the broken parts on the top or bottom of the plastic box?  Really grasping at straws here.  Also,  where is the rivet that held the parts together?  I'm at a loss as to what happened.  Did you put the loco away or did someone else do it?  Dave

[rogertra]

Hmmmmmm - It really looks like the metal was weak before the mechanical failure.  Do you remember when you removed it from the plastic box, was the broken parts on the top or bottom of the plastic box?  Really grasping at straws here.  Also,  where is the rivet that held the parts together?  I'm at a loss as to what happened.  Did you put the loco away or did someone else do it?  Dave

In my case, with the Alco 2-6-0, it was the rivet that failed.

Cheers

Roger T.