Thread: A 17-year-old engineer's magnet-free motor prototype could make electric vehicles more sustainable
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Old 08-28-2022, 08:01 PM   #17 (permalink)
rmay635703
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Quote:
Originally Posted by Isaac Zachary View Post
Most do. There are a few that have two-speed transmissions.
Antiques would have a magnet free series wound motor with the 3-5 speed manual intact (normally)

But effiency could be pretty bad at low loads.
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