The Trebuchet Page - Site devoted to medieval siege equipment, including pictures and a message board. Onager Online - Team Carbo's onager web site. Details on building onagers, and competing in Pumpkin throwing contests Team Tormentum's Siege Engine Page - Several types of siege engines with lots of pictures. Build a Catapult - Catapult Design Plans - Read specifications for the design and construction of a medieval torsion catapult. View images and plans. The Grey Company Trebuchet Page - Various types of leverage artillery, historical asides and reconstruction, odds and ends, cartoons, and links. Reconstructed Medieval Mechanical Artillery - Images and information on reconstructed projectile-throwing siege engines, including the trébuchet and traction lever engines.