ELECTROPERMANENT MAGNETS: “imagine you were to replace a large motor with 1000 smaller motors, each scaled down by a factor of 10 in length and therefore by a factor of 1000 in volume…you might connect all 1001 motors to the same long shaft and then drive the 1 large motor forward and all 1000 small motors backward for a game of rotary tug of war. With all the small motors stalled against the large one, the small motors together would dissipate 100 times more heat.””
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http://scitation.aip.org/content/aip/magazine/physicstoday/article/66/6/10.1063/PT.3.2020
linkedin post 2022-06-29 05:12:48
Nigel Fleming
September 21, 2022