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Wind-Tunnel Investigation of the Effect of Sweep and Taper Ratio on Effectiveness of Spoiler-Slot-Deflector Controls on Aspect-Ratio-4 Wings at Transonic Speeds

Alexander D Hammond, L. W. Mckinney

Abstract

Report presenting a wind-tunnel investigation performed in the high-speed tunnel to study the effect of wing sweep and taper ratio on spoiler-slot-deflector control effectiveness. All of the wings tested were aspect-ratio-4 and had NACA 65A004 airfoil sections as well as a variety of sweep angles, taper ratios, and spoiler projections. The results are presented without analysis.

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Available abstract

Key concepts: Transonic, Airfoil, Wind tunnel, Aspect ratio (aeronautics), Subsonic and transonic wind tunnel, Angle of attack, Structural engineering, Aerodynamics