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Propeller Car
Project Snapshot
Fast and fun, the propeller car is a hands-on lesson in air-powered thrust and inertia. Small, lightweight wheels have less inertia than big ones, which lets the car reach its maximum speed quickly!
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Just wind it up and watch it race across the floor up to 30'!
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Tools and Materials
The Engineering Creation Kit has everything you need for this project and many more from STEM Inventions, or get the supplies in bulk:
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Craft sticks
Tips and Troubleshooting
If the car isn't going very far, then...
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Wind up the rubber bands more.
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Try adding more than 1 rubber band.
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Make sure the wheels can spin freely.
If the car is out of control when first released, then...
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If the rubber bands are wound up a lot, then the torque of the propeller may cause the car to spin! Try winding up the rubber bands less, or use fewer rubber bands.
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