Hi Hubert,
well, the 1 kilo knocker could be much smaller if the torque output was used with proper iron cross sections. The sensors record the rotor position and make synclos unnecessary. That that one. And it doesn't stop anyone from simply building a lower-pole outer rotor that matches the sheets at the pole change frequency and runs with CFRP in speed regions that the others don't allow. You could also think about pure air coil outrunners with simple ferrite ring cores like we did with the motor/generators in the flywheel storage. Power density top, speed with up to Mach 2 circumferential speed really high. Attached is a picture of the Cyclon outrunner with 4-pole rotor bell. Simple winding with winding factor 1.
Happy Amps Christian
well, the 1 kilo knocker could be much smaller if the torque output was used with proper iron cross sections. The sensors record the rotor position and make synclos unnecessary. That that one. And it doesn't stop anyone from simply building a lower-pole outer rotor that matches the sheets at the pole change frequency and runs with CFRP in speed regions that the others don't allow. You could also think about pure air coil outrunners with simple ferrite ring cores like we did with the motor/generators in the flywheel storage. Power density top, speed with up to Mach 2 circumferential speed really high. Attached is a picture of the Cyclon outrunner with 4-pole rotor bell. Simple winding with winding factor 1.
Happy Amps Christian














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