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Low-speed lift, drag, and pitching-moment characteristics have been obtained for 10-percent-thick sections of the NACA four-digit- and 64A-series airfoil sections, each cambered with the same a-typ...
Low-speed lift, drag, and pitching-moment characteristics have been obtained for 10-percent-thick sections of the NACA four-digit- and 64A-series airfoil sections, each cambered with the same a-type mean line for design lift coefficients of both 0.3 and 0.8. The NACA fouyr-digit-series sections achieved greater values of maximum lift than did the corresponding NACA 64A-series sections, but this superiority was less marked for the more highly cambered sections.