Quote:
Originally Posted by iceminion
neodymium retains its magnetism for 400 years. even if a generator built of these lasted 5 or 10 years it would be well worth our time.
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It's using the opposing force (like trying to push two magnets together) to spin the motor right? Even "permanent" neodymium magnets demagnetize when they are held in an opposing magnetic field.
Build one tho and see how long it goes with a little bit of load on it, then post it up
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