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Benjamin Scovill "Ben" Kelsey (March 9, 1906 – March 3, 1981) was an American aeronautical engineer and test pilot who brought success in World War II to the United States Army Air Forces by initiating the manufacture of innovative fighter aircraft designs, and by working to quickly increase American fighter production to meet the needs of the coming war. Kelsey co-authored the technical specifications which led to the development of the P-39 Airacobra and the P-38 Lightning. He worked around Air Corps strictures to initiate the development of drop tanks for American fighters. Kelsey was the driving force behind a program of advanced airfoil research which eventually resulted in the P-51 Mustang. After the war, Kelsey served in various staff assignments supervising weather operations, personnel and materiel. He was an important committee member of the group that approved and funded the rocket-powered North American X-15. ==Early career== Benjamin S. Kelsey was born in Waterbury, Connecticut in 1906, and was raised there. At the age of 15 he completed a flying course with the Curtiss Flying Service at Garden City, New York. He graduated from Massachusetts Institute of Technology (MIT) with a bachelor of science degree in mechanical engineering in June 1928, and stayed to teach and conduct research work in the aeronautics department.〔 With fellow aeronautical engineering student Everard M. Lester, Kelsey wrote "A Study in Cams as Applied to the Main Driving Member in Reciprocating Engines".〔National Air and Space Museum. Research archives. (''Fairchild Finding Aid, Box 11, Folder 4''. ) Retrieved on March 30, 2009.〕 Kelsey flew extensively for commercial concerns as well as privately, and obtained a transport pilot license. He joined the United States Army Air Corps and was commissioned a second lieutenant on May 2, 1929. At Mitchel Field, he worked with the Guggenheim Fog Flying Laboratory. As stipulated by Harry Guggenheim, Kelsey flew as Lieutenant Jimmy Doolittle's safety pilot during the first fully 'blind' instrument flight on September 24, 1929, showing observers that he was not in control by keeping his hands visible outside the cockpit. The following year he graduated from Primary and Advanced Flying Schools, and in 1931 he obtained his master of science degree in aeronautical engineering at MIT. Assigned with the 20th Pursuit Group at Mather Field and later at Barksdale Field, he served in various tactical unit duties.〔 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Benjamin S. Kelsey」の詳細全文を読む スポンサード リンク
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