How to calculate dimensions and sizes for a trebuchet.

Here's a way for you to calculate your own dimensions for a trebuchet. 

Trebuchet Dimension Calculator

Enter your base dimensions to calculate the dimensions of other parts:

Base X (in inches):

Base Y (in inches):

Calculated Dimensions

Risers (in inches):

Pivot (in inches):

Arm (in inches):

Sling (in inches):