Quote:
Originally Posted by niky
Too complex. The whole point of the MTSU design is to integrate seamlessly into the rear hub.
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I don't see how adding that thing to the rear hub is any simpler than putting a ring gear on the wheel and bolting a support to the spindle. Universal fit across rim sizes. Or, you could add a gear to the hub instead, and rather than put all those electromagnets around the hub, have the electric motor more or less directly attached to the spindle.
Having separate components that are commercially available drops the cost as well, and so does using low torque high speed motors.