In {TAIL ~ the preferred embodiment}, {HEAD ~ the rotor} carries three blades in each row, as does the stator 
In
In { TAIL ~ the preferred embodiment } , { HEAD ~ the rotor } carries three blades in each row , as does the stator
REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH