Annual report - National Advisory Committee for Aeronautics (1915)
United States. National Advisory Committee for Aeronautics · Washington, U.S. Govt. Print. Off · leaf 364
alculated curve of the values of tan <f> at which unstable autorotation occurs for the biplane. These additions are intended only as a rough indication of existing conditions. FORCE TESTS AND AUTOROTATION CALCULATIONS The polar diagrams in Figure 12 afford another illustration of the marked… … and 7), and recent biplane pressure distribution experiments carried to 90° angle of attack (conducted at this laboratory), proved this fact conclusively. Positive stagger or upper wing overhang may be expected to reduce biplane autorotational tendencies by reducing this shielding, thereby…
Aeronautics · Aeronautics, Military · United States. National Advisory Committee for Aeronautics · Aeronautics -- United States -- Periodicals · Aeronautics, Military -- United States -- Periodicals
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