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)
have shown thatthe actual effect of the air flow at the usual flying angles is not onlyto generate a pressure (compression of air) on the lower face of theinclined surface, but also to cause a great suction on the upper face. •Furthermore, measurements show that the value of this suction inpounds… … The Air is deflected by the curved surface as shown. to draw the surface up by suction. As long as this wave form suctiontype of flow continues, the surface is in its most favorable attitude forefficiency, but at higher angles than ordinarily employed in flying thistype of flow breaks down, and a…
Airplanes · Aeronautics, Military
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