Does any of you out there have an old broken, bent, or mushy cam that they'd be willing to part with? I'm trying to reverse engineer one for a college class. Would anyone be willing to donate a medium sized cam? (".75" - 2"). I'll pay for shipping.

Cams are pretty simple. You can figure them out pretty easily from a photo and a quick Google search about how they work. Or just go to your local REI and mess around with their inventory.