1961•Aeronautical QuarterlyRequires access

Lift/Drag Ratios of Optimised Slewed Elliptic Wings at Supersonic Speeds

J.H.B. Smith

Abstract

Summary Previous work by R. T. Jones on the drag minimisation of elliptic wings is extended to the case of the slewed wing with thickness. These results are used to calculate lift/drag ratios of idealised configurations related to a supersonic transport aircraft. The values of lift/drag ratio and optimum slenderness ratio found are comparable with those calculated earlier in studies of delta-like plan forms.

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Key concepts: Drag, Lift-to-drag ratio, Lift (data mining), Lift-induced drag, Supersonic speed, Vortex lift, Wing, Mechanics