Agusta Bell 47 J3B-1 helicopter
The Bell-47 was the first helicopter to be produced in a large series. Made the first flight on December 8, 1945, the next year received a certificate of airworthiness. The main customer was the US army, the helicopter was actively used during the war in Korea 1950-53 years, where it proved to be reliable and easy to operate. Bell AB-47 had more than 30 modifications for military and civilian use, its production continued until 1973, this is an absolute record in the field of helicopter construction. Licensed in Italy and Japan.
The Madrid Museum of Aeronautics displays one of three AB-47 J3B1 helicopters manufactured by the Italian company Agusta, acquired by Spain in 1965 for the search and rescue squadron (SAR) in Getafe, where they served until 1983. The model " J " appeared in 1954 and differed from the base by the presence of a closed cabin, where in addition to the pilot could accommodate three or four passengers.
The AB-47 J3B1 had the following characteristics: a cruising speed of 138 km / h, a maximum of 169 km / h, a range of 338 kilometers with a maximum altitude of 5430 meters. Empty weight 845 kg, maximum take-off 1340 kg. Еhe length of the helicopter 9.63 m, the Rotor diameter 11.32 m was driven by a seven-cylinder engine Lycoming TVO-435 B1A capacity of 273 HP.