Day 11 - Sling

The sling is arguably the most difficult part of the trebuchet build. It has to be fine-tuned to the actual operation of your machine, to ensure that it releases the sling at the right moment during the launching action of the beam. You will want a lightweight sling to maximize the velocity of your system. Glue or tape one end of the sling to the end of your beam and create an open hook for the other end of your sling, such that a loop at that end of the sling will slip off the beam and open the sling to launch the Lego. You can get a test projectile from me if your sling is done before the end of the bell.