1. 

   xfire_dragonx Member

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   Just a question about the R1, when I rotate the left z axis by hand the right z axis rotates.
   
   Is there a belt that connects the 2 Z axis, if not how is the right z axis rotating with no power to the machine.

    

   #1 xfire_dragonx, Jan 10, 2019
2. 

   mark tomlinson ༼ つ ◕_ ◕ ༽つ

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   "If the shaft of a DC motor is turned by an external force, the motor will act like a generator"
   
   https://en.wikipedia.org/wiki/Brushed_DC_electric_motor
   
   (and since the two are wired in parallel it is a generator driving the other motor)
   Disconnect the other motor electrically and it should not spin.

    

   #2 mark tomlinson, Jan 10, 2019

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