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.

Print Settings

Printer Brand:

PowerSpec

Printer:

Rafts:

No

Supports:

Category: Learning