High Quality Content by WIKIPEDIA articles! The Bell 47 is a two-bladed, single engine, light helicopter manufactured by Bell Helicopter. Based on the third Model 30 prototype, Bell's first helicopter designed by Arthur M. Young, the Bell 47 became the first helicopter certified for civilian use on 8 March 1946. More than 5,600 Bell 47 aircraft were produced, including aircraft produced under license by Agusta in Italy, Kawasaki Heavy Industries in Japan, and Westland Aircraft in the United...
High Quality Content by WIKIPEDIA articles! The Bell 47 is a two-bladed, single engine, light helicopter manufactured by Bell Helicopter. Based on the third Model 30 prototype, Bell's first helicopter designed by Arthur M. Young, the Bell 47 became the first helicopter certified for civilian use on 8 March 1946. More than 5,600 Bell 47 aircraft were produced, including aircraft produced under license by Agusta in Italy, Kawasaki Heavy Industries in Japan, and Westland Aircraft in the United Kingdom. The Bell 47J Ranger is modified version with a fully enclosed cabin and fuselage. Early models were variable in appearance, with open cockpits or sheet metal cabins, fabric covered or open structures, some with four-wheel landing gear. Later model D and Korean War H-13D and E types settled to a more utilitarian style. The most common model, the 47G introduced in 1953, can be recognized by the full bubble canopy, exposed welded-tube tail boom, saddle fuel tanks, and skid landing gear.
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Книга посвящена парадигме DOP (дата-ориентированному программированию), являющейся расширением философии объектно-ориентированного программирования. Предлагается новый взгляд на формирование структур данных и операции над ними в высоконагруженных приложениях. Изложенный материал даёт решения сложных проблем, возникающих при управлении состоянием, разделяемыми и распределёнными данными, позволяет...
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