Tiny 1kW Electric Bike Motor
Tom Stanton・7 minutes read
A 1000-watt e-bike motor and a drone motor are compared, with the e-bike having a higher weight and top speed but encountering torque and technical challenges during the conversion project.
Insights
- The comparison between a 1000-watt drone motor and a 1000-watt e-bike motor highlights a significant weight disparity, with the drone motor weighing 40 grams and the e-bike motor weighing 6 kilograms, showcasing the diverse engineering requirements for different applications.
- Adapting a drone motor for an e-bike involves utilizing a 4 to 1 pulley ratio to match wheel rpm, showcasing the intricate process of converting technologies across applications and the importance of precision engineering in such projects.
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Recent questions
What is the weight difference between a drone motor and an e-bike motor?
The drone motor weighs 40 grams, while the e-bike motor weighs 6 kilograms.
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Summary
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Drone motor converted for e-bike efficiency.
- A 1000-watt drone motor weighs 40 grams, while a 1000-watt e-bike motor weighs 6 kilograms.
- The e-bike motor has a top speed of 28 miles per hour with a wheel diameter of 26 inches, spinning at about 360 rpm.
- To gear down the drone motor for the e-bike, a 4 to 1 pulley ratio is used to match the e-bike's wheel rpm.
- Onshape, a cloud-based CAD system, is used to design pulleys for the motor conversion project.
- Testing reveals that a slightly larger drone motor with half the max rpm provides more torque for the e-bike, but challenges with chain tension and rubbing arise.
