Lateral-directional dynamic stability derivatives are presented for a 0.1-scale model of the XC-1^2A tilt-wing transport. The stability-derivatives were determined from experiments conducted in the Princeton University Dynamic Track with a dynamically similar model. The tests involved various descending flight conditions achieved at constant speed and wing incidence by varying the vehicle angle of attack. The propeller blade angle and the speed were also changed in the steepest descent case.nThe experimental data were analyzed assuming that the dynamic motions of the vehicle may be described by linearized equations, with the lateral-directional characteristics of the full-scale aircraft also presented and discussed.
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