Word: wing
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Dates: during 1930-1939
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Suction slots through which a fan inside the wing sucks air, control the thin stratum of air ("boundary layer") next the upper surface of the wings, increase lift 150% using only 2% of a light airplane's power...
Retractable spoilers are curved structures extending up from the upper surface of the wing, which when combined with "air brake'' flaps, make lateral control easier...
...burble is a phenomenon which appears at speeds of 500 m.p.h. or higher. Plane speeds have not reached the point where "compressibility burble" has become a practical limiting factor, but propeller tip speeds are near it. "Compressibility burble" is a sharp break away of the airflow from the upper wing surface like the bow-waves of a ship, leaving the air directly behind extremely rarefied...
Flutter of wing or tail surfaces may wrack a plane to pieces when it reaches a certain periodicity and intensity. With military planes approaching 300 m.p.h., wing flutter has become a major problem. The committee has developed a method of foreseeing and guarding against structural fatigue and failure...
...birthplaces, congregated in Manhattan, cynically took jobs or hopefully free-lanced for a living, began to colonize Connecticut with weekend or summer cottages. The crash of 1929 and the depression sobered them further, turned the majority into politically-minded (usually leftwing) writers, complete with careers, creeds and clientele. Right-wing readers will find little to sympathize with in Author Cowley's narrative. They will not be amused by his account of Dada, most extreme of modern French literary cults, whose founder, Tristan Tzara, appeared at a public meeting and "read aloud a newspaper article, while an electric bell kept...