Originally Posted by Andrew R Stewart

All I've done is to pull the cranks off at this point (had to show it to coworkers as a mater of pride. One of our wrenches is quite the down hiller and he was impressed) It looks like your suggestion are where the bends happened. I can easily see the flat strip yoke bent and the chainstays around the scallops also look like their hinge point. Makes sense with the least lateral cross section. Andy