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Theoretical Investigation of the Supersonic Lift and Drag of Thin, Sweptback Wings With Increased Sweep Near the Root

Doris Cohen, Morris D. Friedman

Abstract

Note presenting formulas derived by the use of linearized theory for the lift and drag due to lift, at supersonic speeds, of thin, flat wings with a discontinuity in the leading-edge sweep, the inboard portion of the leading-edge being very highly swept an the outboard portion less so. The lift-curve slope and drag have been calculated for several families of wings, all with straight trailing edges.

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