Annual report - National Advisory Committee for Aeronautics (1915)
United States. National Advisory Committee for Aeronautics · Washington, U.S. Govt. Print. Off · leaf 341
that the chords vary. At 18 degrees angle of attack the flow has begun to burble and the normal force distribution has become irregular. The maximum ordinates of the curves for the upper wing in Figure 12 occur at practically the same angles of attack. The effect of reduction of pressure on the… … whether the wing is in the biplane combination or by itself. The maximum normal force on the lower wing occurs at a much greater angle of attack when the wing is in the biplane combina¬ tion. The air flow over the upper surface of the lower biplane wing is restricted by the upper wing and the…
Aeronautics · Aeronautics, Military · United States. National Advisory Committee for Aeronautics · Aeronautics -- United States -- Periodicals · Aeronautics, Military -- United States -- Periodicals
Internet Archive · Smithsonian Libraries · Public domain (published before 1931). Free to use for anything.
