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Adjustable Catapult

Adjustable Catapult

thingiverse

Catapult with adjustable position stops. Allows students to experiment with how pulling back and end point stops affect trajectory. Students can also experiment with rubber band size, strength, and number. Requires: 3 x 6-32 x 1 1/2" machine screws 3 x 6-32 wing nuts Plastic spoon Hot glue Rubber bands If the spoon breaks, an adult can soak it in hot water to soften the hot glue. Then, they can remove the spoon end with pliers. DO NOT DRY FIRE! It will crack the spoon.

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