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Effect of Leading-edge Chord-extensions on the Aerodynamic Characteristics of a 45 Degree Sweptback Wing-fuselage Combination at Mach Numbers of 0.40 to 1.03

F E West, Gladys S. Martz, George Liner

Abstract

Report presenting an investigation in the 16-foot transonic tunnel to determine the effect of leading-edge chord-extensions on the aerodynamic characteristics of a sweptback wing-fuselage combination at several Mach numbers. Results regarding the effect of chord-extensions on longitudinal stability for wing-normal configuration, effect of chord extensions on lift for wing-normal configurations, effect of chord-extensions on drag and lift-drag ratios of wing-normal configurations, effect of chordwise fences on the aerodynamic characteristics of a wing-normal configuration, and effect of chord-extensions on the pitching moment and lift characteristics of a wing-art configuration are provided.

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Key concepts: Chord (peer-to-peer), Wing, Airfoil, Wing twist, Fuselage, Aerodynamics, Lift-to-drag ratio, Leading edge