News and information on the ancient projectile weapon, the sling.
Grey Company Trebuchet Page
Offers diagrams and descriptions of leverage artillery, referred to variously as traction trebuchets, petrarias, war wolves, coulliards, and bricoles.
All about Catapults
Information on trebuchets and catapults, includes discussions, models, and message board.
NOVA Online: Medieval Siege
Documents NOVA's successful attempt to build and shoot a giant trebuchet, the most destructive war machine that ever laid siege to a medieval castle.
See time-lapse footage of the Warwick trebuchet being built and learn why siege machines dominated warfare for 200 years.