Longitudinal Aerodynamic Characteristics of a Low-wing Lift-fan Transport Including Hover Characteristics in and Out of Ground Effect |
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00 Thrust a,deg aerodynamic characteristics LC Airfoil angle positive direction closed lift-fan inlets closed open closed Concluded configuration ₁ cruise configuration deflection angle positive deflection on longitudinal deg CD deg O Tail deg Tail Effect of closed Effect of effective Effect of elevator Effect of tail effective velocity ratio elevator deflection exits fan inlets fan inlets open fan-exhaust deflection fan-exit Figure 11 free-stream Ground Effect ground proximity hover i,,deg Tail incidence on longitudinal inlets and exits inlets open open kg/sec Langley Research Center Lift characteristics lift-cruise and exits longitudinal aerodynamic characteristics Mean geometric chord NACA NASA TN open closed closed open closed open open open closed pitching moment Pitching-moment characteristics pods and lift-cruise tail incidence Typical lift fan Typical lift-cruise fan V/STOL Transport Model VTOL transition configuration Wind-Tunnel Investigation wingborne-flight configuration zero wind speed бе Сн Ст Ясо