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A comment on ZF makes magnet-free electric motor uniquely compact and competitive. Parent comment
They have weird "trick" geometry that means you can move the rotor to many different angles (tens, hundreds) with far fewer stator windings.
The cost of this is really low power and efficincy if you just want to spin them.
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They have weird "trick" geometry that means you can move the rotor to many different angles (tens, hundreds) with far fewer stator windings.
The cost of this is really low power and efficincy if you just want to spin them.