Hi,
great idea for a challenge. A lot to learn from.
ok heres mine approach so far. I am using Cinema 4D and Dynamics.
A trebuchet with a laaarge spring connected to the ground.
A lil bit Jules Verne like 

and two animationtests:
http://www.art-3d.com/images/challenge/trebuchet/trebuchet_test.mov
http://www.art-3d.com/images/challenge/trebuchet/trebuchet_test_2.mov
cheers,
Christian
Iām not an expert on siege weapons or anything, but I though the term ātrebuchetā applied to siege weapons that relied on a system of weights to increase their range⦠might be wrong though 

