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I want to design a motor system where a single stator coil is responsible for two rotors of neodymium magnets on its outside and inside, will this work, and what are the downsides I should be expecting? Any advice on perfecting the design will be very helpful.

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  • $\begingroup$ I highly doubt it works properly, the outside rotor experience a huge mmf fall duo to the large air gap, and if you mange somehow to keep the field confined by reduction of the air gap, the outsider generates a rotating field which in turn affects the working of stator/rotor(inside). I guess, it first start rotating, but then Lenz's law implies that the two rotors try to cancel each other out. $\endgroup$ – Sam Farjamirad Jul 14 at 18:33
  • $\begingroup$ Just so you know the rotors are moving in opposite direction relative to each other. And the air gap won't be a problem. $\endgroup$ – TechDroid Jul 15 at 2:09
  • $\begingroup$ Then what are you waiting for go and build your spaceship before the man in black come and get you. $\endgroup$ – Sam Farjamirad Jul 15 at 9:24
  • $\begingroup$ Funny! Really Funny! $\endgroup$ – TechDroid Jul 15 at 11:58

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