Maurer, Edward R. (Edward Rose), b. 1869 · New York : John Wiley & sons, inc.; [etc., etc.] · leaf 388
inclined straight path, in still air or directly with oragainst the wind), the air reaction on the wings is dealt with in two components —perpendicular and parallel to the line of flight; the first is called lift L, and thesecond drag (formerly drift) D. The reaction of the air on the propeller can… … Fig. 174 The lift and drag depend upon velocity v of the airplane relative to the air, wingarea A, density of air 8, angle of incidence a (angle between chord of wing anddirection of wind, type of wing section, and aspect ratio (ratio of length to breadthof wing); and in biplanes, on the gap…
Mechanics
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