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Free-Flight Investigation of the Zero-Lift Drag of Several Wings at Supersonic Mach Numbers Extending to 2.6

Russell N Hopko, Carl A Sandahl

Abstract

Report presenting testing of the zero-lift drag of several wings at supersonic Mach numbers. The delta wings had the lowest drag over the entire Mach number range. Results regarding the variation of Reynolds number with Mach number, total drag coefficient, wing-plus-interference drag coefficients, and skin friction drag are provided.

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Available abstract

Key concepts: Drag divergence Mach number, Drag, Mach number, Zero-lift drag coefficient, Lift-induced drag, Parasitic drag, Drag coefficient, Wave drag