Xiaomi MiJia QiCycle Folding Electric Bike Teardown

Adım 12 çevriliyor

İngilizce

Korece

Adım 12

hub gear motor

With the cover lid unscrewed we can push out the source of rotary motion and discover a small circular board behind the rear cover of the motor.
Besides distributing power it also has three sensors (every fourth coil) for measuring the speed.
12 coils on the outer ring make the 10 magnets on the center spindle go round and round–260 times per minute. The motor has a continuous output power of 180W and 7.3 Nm of torque.
The three gears on the flip side are made of plastic to keep abrasion to a minimum.

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