Originally Posted by
rosefarts
Do you suppose stretching it vs compression makes a difference?
Thinking about it, I suspect what did them both in was the bending mode. The dropout and chainstay system deformed when the wheel was installed and the quick release tightened in both instances. Chainstay gave first on the first bike, dropout cracked first on the second.
(Disclaimer: I'm not an engineer, but I played one on Railroad Tycoon.)