Aerodynamic Characteristics of NACA 23012 and 23021 Airfoils with 20-Percent-chord External-Airfoil Flaps of NACA 23012 Section (1937)
NASA Technical Reports Server (NTRS) · leaf 6
3 AERODYNAMIC CHARACTERISTICS OF AIRFOILS WITH FLAPS (b) Model used in the variable-density wind tunnel. Figure 3. -The N. A. 0, A. 23012 airfoil with 0.20c„ N. A. 0. A. 29012external-airfoil flap.
NASA Technical Reports Server (NTRS)
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