Trebuchet
device · 400 · Ancient world
A counterweight throwing machine.
What it is made of
- Throwing arm — has part. A long arm with a sling.
- Counterweight — has part. A box with ballast.
- Trebuchet sling — has part. It lengthens the throw.
- Wooden frame — has part. A supporting frame with an axle.
Principles and materials it uses
- Counterweight — uses. A falling counterweight swings the throwing arm.
- Lever — uses. The throwing arm is a long lever.
- Wood — is made of. A trebuchet is a wooden frame and lever.
- Stone — is made of. It hurled stone balls.
History: what it evolved from and what it influenced
- Catapult — evolved from. The trebuchet replaced torsion engines as a more powerful siege machine.