BAe 748 (BAE 748)
Short-haul turboprop aircraft BAe.748, better known as the Hawker Siddeley HS.748 or as Avro 748, is a multi-purpose aircraft, developed by the British Aircraft Company «Avro Aircraft», to replace the American twin-engine piston aircraft Douglas DC-3.
Work on the project began in the Avro 748 1957 year. As the basis of the aircraft has been chosen to design a monoplane fuselage of circular cross section that can accommodate an average of 40-44 seats and low-wing twin-engine. The main requirements for the airplane project, is the possibility of use on unprepared airfields, to be undemanding and easy to maintain and operate and have a short take-off and landing.
Officially, the program is the construction of the aircraft, Avro748, began in January 9 1959 years.
As the power plant were selected motors Rolls Royce Dart R.Da.7Mk.514 power 1740 hp, equipped with a four-blade propellers. According to the program of development Avro 748, four aircraft were built. Two of them, to test the air and the other two for ground testing and static load.
His first flight of the aircraft Avro 748, 24 made June 1960 years. He took off from the airfield of British Woodford (Woodford), located in Cheshire (Cheshire). The first production aircraft Avro 748 Series 1 have been ordered by the airline «Skyways Coach-Air». The first commercial flight airplane Avro 748 April 1 1962 made a year in "London - Paris."
November 6 1961 was held aircraft flying Avro 748 Series 2, which was equipped with motors Rolls Royce Dart RDa.7Mk. 531, 2105 hp power, and had a greater carrying capacity, compared with the previous model. This version was also the basic version and for the subsequent aircraft of HS.748 (Avro 748). It allows you to place in your salon to 52 seats.
In 1963, the aircraft Avro 748 was renamed HS.748, due to the fact that the company «Avro» was bought by a larger company «Hawker Siddeley Group»
In June 1967, was released improved version of the second series - HS.748 Series 2A, which was equipped with turbovintelyatornymi engines Rolls Royce Dart RDa.7Mk. 532 2280 hp power, and had increased fuel. This version of the aircraft, HS.748, made its first flight in September 5 1967 years.
HS.748 Series 2A enrolled in such airlines as the British "British Airways"African"South African Airways"New Zealand« Mount Cook Airline ». The plane was also raised, and other large and small carriers.
In 1977 year, work began on the aircraft HS.748 Series 2B. This version of the aircraft was equipped with turbovintelyatornymi motors Rolls Royce Dart RDa.7Mk. 536-2 2290 power hp This engine was better able to work in high altitude and hot climate, and also had a lower noise level. Starting from January 1 1978, the company «Hawker Siddeley Group» has been merged with the consortium «British Aerospace». Since then, the name of the aircraft HS.748 Series 2B was changed to BAe.748.
The first production aircraft took to the skies BAe.748 22 1979 year in June. In the US, the aircraft also were called Intercity-748. This version of the aircraft allowed to carry up to 58 people at an average distance of about 2 thousand kilometers, with an average speed 450 kilometers per hour.
In February 1982 year was presented last modification of aircraft BAe. Super 748 with engines Rolls Royce Dart RDa.7Mk.552. In this version has been increased luggage space, improved interior of the passenger compartment, as well as enhanced control and navigation. This turboprop airliner made its first flight in July 30 1984 years.
Aircraft family BAe.748 (HS.748), available in different versions - from civil and transport to the military. BAe.748 aircraft production was halted in May 1988 years, with the advent of more modern aircraft models. Total for the entire period of production from the 1961 1988 year on year, it produced about 380 aircraft units BAe.748 (HS.748)
Technical characteristics of the aircraft BAe 748 (HS.748 Series 2B):
The first flight of the prototype BAe.748 (HS.748 Series 1): 24 1960 June
Production Years: c 1961 1988 year on year
Length: 20,42 m.
Height: 7,57 m.
Empty weight: 12320 kg.
Wing area: 77,00 sq.m.
Wingspan: 31,23 m.
Cruising speed: 450 km / h..
Ceiling: 7600 m.
Practical range: 2250 km.
Engines: 2 theater Rolls Royce Dart RDa.7Mk. 536-2
Crew: 2-3 people
Number of passengers: up to 58 places
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