That is, the magnetic attraction force generated between the permanent magnet 2 and the rotor core 5 is balanced over {HEAD ~ the entire circumference} of the revolving rotor core 5 by making {TAIL ~ the magnetic flux distribution} in the motor point symmetrical with respect to the motor shaft 6 
That is , the magnetic attraction force generated between the permanent magnet 2 and the rotor core 5 is balanced over { HEAD ~ the entire circumference } of the revolving rotor core 5 by making { TAIL ~ the magnetic flux distribution } in the motor point symmetrical with respect to the motor shaft 6
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH