This is the last of my siege machines model. At the same 1/32 scale and completely funcitonal.
These kinds of catapults used a fixed counterweight. Unlike the Trebuchets, which used a hinged counterweight, the Mangonel used a counterweight completely fixed to the beam, that way the movement of the center of gravity was circular. Engineers had not yet discovered the advantages of a hinged weight which would later feature on trebuchets.
This is the final result of the diorama with a terrain simulating a Middle East dry land and a saracen standard at the back. Everything hand-made from scratch.