NACA Report No. 680
The Effect of Nacelle-Propeller Diameter Ratio on Body Interference and on Propeller and Cooling Characteristics
McHugh, James G. - Derring, Eldridge H. (Langley Memorial Aeronautical Laboratory)
high quality paper in light brown cover size 29x23 cm
19 Seiten / pages
18 illustrations (graphs)
very good condition
Washington D.C., U.S.A. - 1939 - National Advisory Committee for Aeronautics (NACA)
Art.Nr. 3433