Word: frosted
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Dates: during 1950-1959
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...Force men have inspected a Canadian mockup saucer, approved a more advanced design, and hope within three years to have a prototype that can take off straight up, hover in midair, and fly at mach 2.5 [nearly 2,000 m.p.h. at sea level]. Its designer: John C. M. Frost, 35, a tall, shy Briton with a passion for flowers and flying saucers...
...Coanda Effect. Frost, who lives in Toronto with his wife and son, helped to design wartime gliders, later the Vampire jet and DH-108 tailless jet. As chief design engineer for special projects at A.V. Roe Canada. Ltd. (part of Britain's famed Hawker-Siddeley aircraft group), he worked on Canada's first home-built jet fighter, the CF-100. Meanwhile, in a top-secret screened area at Avro's Maiton plant, he designed flying saucers-at least one 40-ft. mockup, with a flattened end and spindly undercarriage. This model, quickly nicknamed he "Praying Mantis...
...Frost wanted a vertical take-off-which is quite a trick. Even such a powerful jet engine as Pratt & Whitney's J-57, with about 10,000 Ibs. of thrust, can barely lift its own weight vertically. After countless wind-tunnel tests, Frost finally found what he thinks is a solution in an aerodynamic principle known as "the Coanda effect...
...Russians Ahead? Around the Coanda effect, Avro's Frost created a startling design shaped like a saucer, 40 ft. in diameter, with a squat jet engine in the middle and a bubble cockpit perched above. From the engine's 35 burner tubes blasts would radiate to 180 exhaust ports all around the saucer's edge. To apply the Coanda effect the pilot needs some kind of movable control over one lip of each exhaust. To take off he would set these controls to deflect the blasts downward. The downblasts carry along with them more air from above...
Fantastic as Frost's saucer sounds, it may not be the first. The USAF's willingness to spend money on saucer-plane experiments results from a growing belief that the Soviet Air Force may be ahead of the U.S. in this field...