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Wind-tunnel Investigation at High and Low Subsonic Mach Numbers of Two Unswept Wings Having NACA 2-006 and NACA 65A006 Airfoil Sections

Stanley F Racisz

Abstract

Report presenting an investigation in the low-turbulence pressure tunnel to determine the lift, drag, and pitching-moment characteristics of two unswept wings, one with airfoil sections designed for high maximum lift at low speeds (NACA 2-006) and one with NACA 65A006 airfoil sections. Results regarding lift and pitching-moment, effects of roughness, drag, and wings with flaps are provided for high- and low-speed performance.

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Available abstract

Key concepts: Airfoil, NACA airfoil, Aerodynamic center, Lift-induced drag, Pitching moment, Drag, Wind tunnel, Lift-to-drag ratio