Motor-controller test bench

Yeah! Finally! Now i can measure parameters of any motor and debug the controller much easier.

DSC_0647

On the right side motor, and on the left side generator. Generator have free-rotating axle, mounted on bearings. You can see a leg of length 102 mm with scales on it. Scales shows torque in Nm of generator. Using simple formula Nm*RPM/9.549 you can find out power and calculate efficiency of motor+controller.

UPD: small video

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