Angles of Attack and Air Speeds During Maneuvers (1921)
NASA Technical Reports Server (NTRS) · leaf 9
8 REPORT NATIONAL ADVISORY COMMITTEE FOB AERONAUTICS. in propeller design, and its application to wings lias beeu justified in numerous experiments on the auto-rotation of aerofoils in the wind tunnel and on warped aerofoils, carried out at the National Physical Laboratory. It furnishes a very… … ./ ° ZO° Zfi* So* 40° 50° 60° 70* SO" 90" /)n$/e of At toek. Fig. 6. The condition of equilibrium, if the aerofoil element- theory be used, is that I 8 Zc • c • [ (u + ¥x)2 +(w — p%)2] - x • dx J -1 must be equal to zero, where s is the total span, c the chord, x the distance of an element from the…
NASA Technical Reports Server (NTRS)
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