The rotors first row produces a mixed centrifugal and axial flow, while {HEAD ~ the rotors second row} produces {TAIL ~ a purely axial flow} 
The rotors first row produces a mixed centrifugal and axial flow , while { HEAD ~ the rotors second row } produces { TAIL ~ a purely axial flow }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL