Selection of D.C. Motor for hand-cranked generator
If you know that a 6V DC motor runs at 6,000RPM with no load, then when used as a generator, spinning it at 6,000RPM will produce 6VDC. That''s ideally, if we ignore the slowing caused by bearing-friction and air viscosity. And also, spinning it at 5000RPM will output 5VDC, 1000RPM will output 1VDC, etc. For permanent-magnet …
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