Motors with 72mm diameter rotors can be made to draw up to a maximum of 40 watts input power.
Motors with 92mm diameter rotors can be made to draw up to a maximum of 150 watts input power.
Motors with 110mm diameter rotors can be made to draw up to a maximum of 350 watts input power.
Motors with 137mm diameter rotors - [ Under development ]
The External Rotor Motor, like any other conventional motor, has a wound stator and an aluminum die cast rotor. The only difference is that in this case the rotor moves externally around
the stator.