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Flight Measurements With the Douglas D-558-II (BuAero No. 37974) Research Airplane: Measurements of Wing Loads at Mach Numbers Up to 0.87

John P Mayer, George M Valentine, Beverly J Swanson

Abstract

Report presenting flight measurements of the aerodynamic wing normal force, bending moment, and pitching moment using strain gains on the D-558-II airplane at Mach numbers up to 0.87 and angles of attack up to 38 degrees. Results regarding Mach number effects and normal-force-coefficient effects are provided.

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Available abstract

Key concepts: Airplane, Mach number, Wing, Pitching moment, Aerodynamics, Aerodynamic force, Wing loading, Moment (physics)