Control inputs 68 to the counter rotational gears 44 in the concentric counter rotation transmission unit 28 distribute shaft horsepower generated by {HEAD ~ the engine core} to {TAIL ~ the upstream blade row and downstream blade row} through pitch control units 26 and 42 
to
Control inputs 68 to the counter rotational gears 44 in the concentric counter rotation transmission unit 28 distribute shaft horsepower generated by { HEAD ~ the engine core } to { TAIL ~ the upstream blade row and downstream blade row } through pitch control units 26 and 42
OTH 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 REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH