Tests in the variable-density wind tunnel of the NACA 23012 airfoil with plain and split flaps (1939)
NASA Technical Reports Server (NTRS) · leaf 2
THE N. A. C. A. 23012 AIRFOIL WITH PLAIN AND SPLIT FLAPS 375 … Section lift coefficient, c, ^ Section lift coefficient, ej Figuss S.—Section characteristics for the N. A. O. A. 23012 airfoil with 0.20c plain plain Figube 2.—Section characteristics for the N. A. O. A. 23012 airfoil with 0.20e flap. large flap deflections. flap. Small flap deflections.
NASA Technical Reports Server (NTRS)
Internet Archive · NASA Technical Reports · Public domain (US government work). Free to use for anything.
