PROTOTYPE #22

In this prototype we made a variation of the previous catapult. In this catapult Jana should be able to wind the catapult herself.
The mechanism works but the ball doesn't fly more then 40 cm.

Conclusion:

Expected positive feedback: The system works and the ball lounches.

Unexpected positive feedback: /

Expected negative feedback: The ball doesn't fly far.

Unexpected negative feedback: The ball sometimes falls out of the holder.

Makeabilityscore : 4