Outrunner meaning

An outrunner is a type of electric motor in which the rotor spins around the stator.


Outrunner definitions

Word backwards rennurtuo
Part of speech The word "outrunner" can be used as a noun.
Syllabic division out-run-ner
Plural The plural of outrunner is outrunners.
Total letters 9
Vogais (3) o,u,e
Consonants (3) t,r,n

What is an Outrunner?

An outrunner is a type of brushless electric motor used in various applications such as RC vehicles, drones, and electric bicycles. Unlike traditional motors, outrunner motors have a stationary outer shell with the windings rotating on the inside. This design offers several advantages, including higher torque, efficiency, and smoother operation.

How Does an Outrunner Work?

In an outrunner motor, the outer shell is fixed while the rotor spins around it. This design allows for a larger stator and more windings, resulting in increased torque and power output. The outer shell also acts as a heatsink, dissipating heat more effectively and improving overall efficiency. Additionally, outrunner motors produce less noise and vibration compared to inrunner motors.

Advantages of Outrunner Motors

Outrunner motors are preferred for many applications due to their numerous advantages. They offer higher torque at lower speeds, making them ideal for applications requiring strong, consistent power. Additionally, outrunner motors are more efficient, quieter, and require less maintenance compared to inrunner motors. Their design also allows for better cooling, preventing overheating during extended use.

Applications of Outrunner Motors

Outrunner motors are commonly used in RC aircraft, drones, electric bicycles, and robotics. These motors provide the necessary power and efficiency required for these demanding applications. Hobbyists and professionals alike choose outrunner motors for their reliability, performance, and durability. As technology advances, outrunner motors continue to play a crucial role in the development of electric vehicles and other innovative projects.


Outrunner Examples

  1. The outrunner motor on the drone provides efficient power and smooth operation.
  2. The outrunner athlete sprinted ahead of the competition with remarkable speed.
  3. The outrunner design of the water wheel maximizes energy generation from the flowing river.
  4. The outrunner configuration of the treadmill motor allows for a quieter workout experience.
  5. The outrunner fan in the computer case ensures optimal cooling even under heavy load.
  6. The outrunner gear system in the bicycle provides a smooth and efficient ride.
  7. The outrunner style of the wind turbine captures more energy from the breeze.
  8. The outrunner generator produces clean electricity for remote off-grid locations.
  9. The outrunner technology in electric vehicles improves energy efficiency and performance.
  10. The outrunner propulsion system on the boat allows for faster acceleration and higher top speeds.


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  • Updated 17/04/2024 - 02:00:45