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The no load current draw, per motor, is 0.52 amps. You have 4 motors, so you're looking at over 2 amps for no load. The stall current is TWENTY amps, per motor. You also appear to not be using an actual battery, but rather some portable power device that has an internal battery. The electronics in it could easily be performing a short circuit detection and ...


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Without the exact circuit its difficult to be sure. If connections are properly done, most probably the power source(battery pack in this case) is unable to provide sufficient current to power the motors. A good start would be to connect just 1 motor and check if the battery pack is able to run your motor. You can also try a different power source to confirm....


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The weight of the motors is less then the weight of the gears and bearings in the joint. So moving the motors only not that advantageous. Moving the gearboxes can be done, but bearings still need to be left at the joint. If motors and gearboxes are moved, but bearings are not, then additional bearings are required for the "moved" gearboxes and some ...


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