While it is preferred, in the implementation of {TAIL ~ a vehicle drive}, that the rotor surround {HEAD ~ the stator}, other applications may find advantageous utility with the stator surrounding the stator 
While it is preferred , in the implementation of { TAIL ~ a vehicle drive } , that the rotor surround { HEAD ~ the stator } , other applications may find advantageous utility with the stator surrounding the stator
OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH