The final step involves securing the propeller to the electric motor. A little bit of hot glue may help if it does not fit tightly on the motor.
| Speed racers - the propeller and the finished model. |
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The final step involves securing the propeller to the electric motor. A little bit of hot glue may help if it does not fit tightly on the motor. |
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| Time to test the design and modify. |
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| Worksheet | |