Algodoo

Just a basic example of a trebuchet. Press E to destroy the springs at the projectile end of the arm, and R to destroy the chain holding the projectile to the arm (firing it).
[IMG]http://i67.photobucket.com/albums/h298/Maxaxle/trebuchet.jpg[/IMG][IMG]http://i67.photobucket.com/albums/h298/Maxaxle/trebuchetfiringsystem.jpg[/IMG][IMG]http://i67.photobucket.com/albums/h298/Maxaxle/Trebuchetspringdestruction.jpg[/IMG][IMG]http://i67.photobucket.com/albums/h298/Maxaxle/Trebuchetchaindestruction.jpg[/IMG]