Aug 07, 2015 · Given that the torque produced by an axial flux electric machine is proportional to the cube of its diameter, axial flux topologies as depicted in FIGS. 1A, 1B, 2A, 2B, 3A, 3B, 3C, 3D, 4A, 4B, 6A, and 6B, are preferably used to drive the main rotor of helicopters as well as open rotors, due to their ability to produce high torque at low speed ...
Get Price