Length of Short Arm {{length}}
 Length of Long Arm {{length}}
 Length of Sling {{length}}
 Length of Weight {{length}}
 Height of Pivot {{length}}
 Mass of Arm {{mass}}
 Inertia of Arm {{inertia}}
 Pivot to Arm CG {{length}}
 Mass of Weight {{mass}}
 Inertia of Weight {{inertia}}
 Mass of Projectile {{mass}}
 Projectile Diameter {{length}}
 Wind Speed {{velocity}}
 Release Angle {{angle}}
Play Speed: 
Link to save this trebuchet:

Submit a Trebuchet


Welcome to

VirtualTrebuchet 2.0

VirtualTrebuchet is a web based trebuchet simulator that will allow you to quickly evaluate different trebuchet configurations.

  1. To begin, enter the parameters 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.

See the New in VirtualTrebuchet 2.0 documentation for the changes from the original VirtualTrebuchet.

Current   Max
 Energy Efficiency
 Range Efficiency
Release Velocity

Email: VirtualTrebuchet@gmail.com

Contact Us / Report a Bug

Message / Description of Bug:

Link to trebuchet configuation (optional):

E-mail Address (if you would like a reply):

We will not publish your e-mail address.

User Projects

Date of Submission


Link to simulation

Image goes here, if there is one.
Video goes here, if there is one.

How far does it shoot?

Simulated distance: 32 feet (12 meters)
Actual distance: 29 feet (10 meters)