The Effect of Ground Proximity on the Lateral/Directional Aerodynamic and Control Characteristics of a Tilt-Wing V/STOL Aircraft at High Lift Coefficients.
PRINCETON UNIV NJ PRINCETON United States
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A series of experiments was performed in the Princeton Dynamic Model Track to determine the lateraldirectional stability and control of a VSTOL type aircraft in ground proximity. Of primary interest were the characteristics associated with flight at high lift coefficients and utilizing high wing incidences with large flap deflections as may be encountered during STOL operations in landings and take-offs where the full or maximum effects of ground proximity are encountered. The configurations tested included combinations of wing incidence and flap deflection up to a maximum of 60 degrees.