NACA Report No. 689
Preliminary Wind-Tunnel Investigation of an N.A.C.A. 23012 Airfoil with Various Arrangements of Venetian-Blind Flaps
Wenzinger, Carl J. - Harris, Thomas A. (Langley Memorial Aeronautical Laboratory)
high quality paper in light brown cover size 29x23 cm
16 Seiten / pages
18 illustrations
very good condition
Washington D.C., U.S.A. - 1940 - National Advisory Committee for Aeronautics (NACA)
Art.Nr. 3441
