The rubber band-powered helicopter is easy to create, and with a little practice it can be flown 20+ feet!
Interestingly, the paper cutout has a big effect on how well the helicopter works. Watch the full video below for an in-depth explanation.
Tools and Materials
Tips and Troubleshooting
If the hand isn't closing all the way, then...
- There may not be enough water in the syringes. Add water until there's a total of 10ml between both syringes (not including water in the tubing).
- The syringe may be taped too far from the hinge. Try re-taping it closer to the hinge.
If the hand isn't opening all the way, then...
- There may be too much water in the syringes. Remove water until there's a total of 10ml between both syringes (not including water in the tubing). If that doesn't work, continue removing water until it closes.
- The syringe may be taped too close to the hinge.
- Make sure the cable tie is not too loose.
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