I'm getting ready to send some motors out to test at -30°C and -60°C. I know how they run in typical conditions, but where would be a good source for information regarding extreme cold effects on a motor. I know my motor runs slower, but why? I need a good source to justify what's going on. From my books and some searches on NEMA they stop caring at 0°C
/Mech engineer dealing with a 24VDC brushed motor.
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