The Curiously Strong Trebuchet: A Pocket Sized Medieval Siege Engine

Step 11 Test and Adjust

Congratulations! You have completed building The Curiously Strong Trebuchet! Now it's time to test and adjust. Watch the video in the next step to learn how to fire the trebuchet. Chances are, its either going to smack the ammo on the ground, or launch it backwards. This is an easy fix. If it releases too late (straight into the ground), you need to make the angle of the hook greater. If it releases too early (straight into the air), you need to make the angle of the hook smaller. Most likely, after you adjust the angle of the hook, it will fire pretty consistently, but if there are any other problems, you can either fiddle around with different lengths and angles, or research it online.