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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!
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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