Axial vs Radial Flux Motors

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  • Compare specs - 10+ kW/kg vs 3 kW/kg - https://insideevs.com/news/361185/magnax-axial-flux-electric-motor/
  • There are 2 new types of axial flux motors - electrostatic and yokeless - [1]
  • Axial flux motor is attractive compared to radial flux when pole number is high and air gap is low. -[2]
  • Basics of axial gap motors - With strong magnets, we don't need iron. High torque in axial flux motors is achieved by using a larger diameter. [3]