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Frank Piasecki
Frank Piasecki ( ; ; October 24, 1919 – February 11, 2008) was an American engineer and helicopter aviation pioneer. Piasecki pioneered tandem rotor helicopter designs and created the compound helicopter concept of vectored thrust using a ducted propeller.
==Biography==
Born in Philadelphia, Pennsylvania to an immigrant Polish tailor, Piasecki worked for autogyro manufacturers while still attending Overbrook High School,〔(【引用サイトリンク】url=http://www.piasecki.com/frank.php )〕 then studied mechanical engineering at the University of Pennsylvania before graduating with a bachelor's degree from New York University. In 1940, he formed PV Engineering Forum with former Pennsylvania classmate Harold Venzie.〔(P-V Engineering Forum PV-2 ) - Smithsonian National Air and Space Museum〕 He built a single-person, single-rotor helicopter designated the PV-2 and flew it on April 11, 1943. This helicopter impressed the United States Navy sufficiently to win Piasecki a development contract.〔Wall Street Journal, February 16–17, 2008, p. A6〕
The name PV Engineering was changed to Piasecki Helicopter Corporation in 1946. After a boardroom dispute, Piasecki left Piasecki Helicopter in 1955 and formed the Piasecki Aircraft Company.
At Piasecki Aircraft, he participated in the development of the Piasecki 16H-1 the world's first shaft driven compound helicopter, the PA-59K/VZ-8P Flying Geep, the Piasecki PA-97 Helistat heavy vertical airlifter and the Piasecki X-49 experimental compound helicopter.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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