Military aeroplanes, simplified, enlarged; an explanatory consideration of their characteristics, performances, construction, maintenance, and operation, specifically arranged for the use of aviators and students (1918)
two distinct kinds of resis-tance : 1. Pressure, generated by the impact of the air on an object, and 2. Friction, generated by the flow of the air filaments past thesurface of the object. Characteristics of Air Flow. Having defined air, the manner in which it flows may be con-sidered. Air either… … THE FLOW OF AIR. UPPER LEFT, .\ FLAT SURFACE — UPPER RIGHT, A SPHERE— LOWER LEFT AND RIGHT, STRUTS OF DIFFERENT FINENESS R.-VTIO. It is apparent that a spindle or fusiform shape, gently dividingthe air at the front, and gradually permitting the filaments to closetogether at the rear, will give a…
Airplanes · Aeronautics, Military
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