Length of Short Arm m
Length of Long Arm m
Length of Sling m
Length of Weight m
Height of Pivot m

Mass of Weight kg
Mass of Projectile kg
Mass of Arm kg

Release Angle deg

> Advanced Mode
> Save & Load


VirtualTrebuchet 2.0

Welcome to the original version of VirtualTrebuchet!

Go to VirtualTrebuchet 2.0 for the most up to date version.

VirtualTrebuchet is a web based trebuchet simulator that will allow you to quickly evaluate different trebuchets. No download required.

  1. To begin, enter the specifications of your trebuchet in the input boxes on the left.
  2. Next, press the submit button located under the inputs.
  3. Finally, watch your trebuchet go.

If you would like to get more accurate results, choose Advanced Mode. Advanced Mode will give you more inputs to fill in.

If you need an explanation for anything, simply select the input box next to it, and a description will appear.

If you have any comments or suggestions of how to improve this website, or if you have any questions, contact me at: