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Characteristics Throughout the Subsonic Speed Range of a Plane Wing and of a Cambered and Twisted Wing, Both Having 45 Degrees of Sweepback

Ben H Johnson, Harry H Shibata

Abstract

Report presenting a wind-tunnel investigation of two semispan wing models with 45 degrees of sweepback, an aspect ratio of 5, and a taper ratio of 0.565. One wing had no camber or twist while the other was cambered for a design lift coefficient of 0.4 and twisted to relieve loading at the tip. Results regarding the plane wing, cambered and twisted wing, wing-body combinations, effect of camber and twist, effect of fences, effect of surface roughness, and lift-drag ratio are provided.

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Available abstract

Key concepts: Wing, Wing twist, Camber (aerodynamics), Wing loading, Lift-to-drag ratio, Structural engineering, Lift coefficient, Airfoil