Returning to FIG4F, control of blade row spacing, pitch and applied shaft horsepower is accomplished through {HEAD ~ the combined actions} of {TAIL ~ the airplane flight management system} and the full authority digital engine control unit which control blade scheduling system 60 
of
Returning to FIG4F , control of blade row spacing , pitch and applied shaft horsepower is accomplished through { HEAD ~ the combined actions } of { TAIL ~ the airplane flight management system } and the full authority digital engine control unit which control blade scheduling system 60
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 REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH