Edit: Looks like the video has been taken down from YouTube. It's still available (but not embedable sadly) on this webpage which includes a lot of analysis of the tests.
break it!
Break it!
BREAK IT!
Joe Graney might want to talk to somebody about how to look like he's actually enjoying his hosting duties, because he's lucky enough to be standing there and breaking the snot out of both aluminum and carbon fiber bike frames (with a screw drive at 0:47 and then with dropped weights at 2:45).
Interestingly, the sudden breaks (from dropped weights) don't look all that different, but the slow breaks look very different.
Thanks, by the way, to Frank Marks, Director of Engineering for Utah Test and Training Range, who showed this at our graduation in Salt Lake City last week.
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