Adult Science Fair — Toner Architects
The Effect of the Weight of a Projectile on Distance thrown by a Trebuchet
How to Build a Trebuchet (with Pictures) - wikiHow
homework and exercises - When does a Trebuchet Shoot Its Projectile? - Physics Stack Exchange
Trebuchet – Firing Pin Mechanism | Mad Laboratory
Grey Company Trebuchet - Trebuchet Triggers
Grey Company Trebuchet
Mini replica of a Thirteenth Century Hinged-counterweight Trebuchet | Legio I Lynx Fulminata
How a Trebuchet Catapult Works
Siege Engine.com: How to Trigger a Siege Engine
Siege Engine.com: How to Trigger a Siege Engine
Trebuchet Parts List and Overview
How to build a Trebuchet (Catapult) - Wilderness Arena Survival
Dan Becker's Trebuchet Page
Siege Engine.com: How to Trigger a Siege Engine
Dan Becker's Trebuchet Page
Trebuchet Project Details
The physics of the Trebuchet
Trebuchet Physics
Grey Company Trebuchet - Trebuchet Triggers
Patent Pending Blog - Patents and the History of Technology: The Medieval Trebuchet
The Floating Arm Trebuchet : 9 Steps (with Pictures) - Instructables
