- Calculates the angles and sides, otherwise know as SAS. Links to other triangle calculators.
- Use this to calculate the maximum stress exerted on your throwing arm.
Physics, Algorithms, and a Range Calculator
- Physics and a good trebuchet simulator.
- A good place to start your research.
All about pumpkins
- Pumpkin species.
Wood strength properties
- Includes weights of various wood types.
Wood strength definitions
- Understand the mechanical advantage of gears.
Nova Trebuchet Documentary
- Documentary on the history and construction of trebuchets.
- Learn how to tie helpful knots.
- Understand the mechanical advantage of levers.
- Mechanics of pulleys.
The Grey Company Trebuchet Page
- History, pictures and links.
- Trebuchet designs, parts, and a formula for determining the diameter of your throwing arm.
Butler College Trebuchet Engineering Tips
- Basic principles and design.
Ripcord's Trebuchet Stuff
- Lots of links, formulas, pictures, design tips and more.
- Theory and pictures.
The Hurl - Forum: Catapult Message Board
- Message board for all hurlers.