Adjustable Catapult

Catapult with adjustable position stops. Lets students experiment with how pull back and end point stops impact trajectory. Students can also experiment with rubber band size, strength, and number.

Requires:
3x 6-32 x 1 1/2" machine screws
3x 6-32 wing nuts
Plastic spoon
Hot glue
Rubber bands

If spoon breaks, adult can soak in hot water to soften hot glue, then remove spoon end with pliers.


DO NOT DRY FIRE! It will crack the spoon.