After Neel's crew has left, some timber framers stay behind to help finish the swinging-weight trebuchet. Frenchman Renaud Beffeyte, a restorer of ancient castles, was guided in his design of this trebuchet by medieval drawings and writings.
Instead of using lead weights, this machine relies on a huge hinged bucket that can be filled with available rubble or dirt—a far more convenient design for medieval armies. The machine is even more massive than its counterpart.