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Re: Smoking RS-550 motors
At first pass, and without re-running your numbers to verify their accuracy, I would suggest you re-calculate and include the gearbox efficiency(s). I believe you will find you are a lot further along on the power curve than you think.
Secondly, how are you holding the lift stationary once it has reached it's desired height? If you are simply having the motor hold, that is stalling the motor, although not at it's max torque. But a stalled 550 with even a 20% load can burn it out. When the motor is stalled, it has no air flow. No air flow is not a good thing!
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