Word: cierva
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...Penaud. Experiments were made with slight success in 1905 by the Dane, Ellehammer; in 1906 in France by the Brazilian, Santos-Dumont, in 1907 by M. Bréguet. By 1923 Austria had its Petroczy; Great Britain its Brennan; France its Damblanc, Oemichen and Pescara; Spain its la Cierva. In the U. S., meanwhile, Henry Berliner, Baltimore aircraft builder, had spent a fortune in a decade's experiment, and Rumanian Professor Georges de Bothezat was conducting researches at McCook Field, Dayton, Ohio for the National Advisory Committee for Aeronautics. For all of that labor, no helicopter was born...
...dumbfounding that it caused the laughter of relief was Juan de la Cierva's Autogiro, which he drove himself, repeating the gooselike antics of his Bryn Athyn, Pa., demonstration the week before (TIME, Sept. 2). He landed in a 20-ft. chalked circle, a simple feat for his machine...
...Cierva, son of a Spanish diplomat, has been building air machines since he was 16. Eleven years ago a trimotored job which he designed crashed on its first flight with one of his friends. The accident set him striving for safety...
When he was ready to fly Señor de la Cierva started his tractor motor with his landing wheel brakes on. Then he had a bystander give his vanes a shove. They wobbled around about once a minute. He speeded up his motor and the propeller slipstream made the vanes rotate rapidly, about 130 r.p.m., according to their speedometer. The vanes vibrated. To smooth that out he idled his motor for five seconds. Then he released his brakes, sped up the motor again, taxied to his takeoff. The vanes were turning smoothly at 120 r. p. m. and creating...
...larger than the demonstration machine, all to carry Wright Whirlwinds. Last week's autogiro will be entered in the Guggenheim Fund safety contest, en trance to which closes in October. First prize is $100,000. Five other prizes are for $10,000 each. Chief contenders are the Cierva Autogiro and the Handley-Page slotted-wing plane. Only a Brunner-Winkle biplane of the 11 U. S. entries (including one of the Autogiros being built by Mr. Pitcairn) has tried...