Boeing 707 Wallpapers

Boeing 707-123(B) aircraft, photo wallpapers: The Boeing 707 is a four engined commercial passenger jet aircraft developed by Boeing in the early 1950s. Although it was not the first commercial jet airliner in service (that distinction belongs to the De Havilland Comet), it was the first to be commercially successful, and is credited by many as ushering in the Jet Age, as well as being the first of Boeing's 7X7 range of airliners. Boeing delivered 1010 Boeing 707s. The 707 was based on a prototype Boeing aircraft known as the 367-80. The "Dash 80", as it was called within Boeing, cost $16 million to develop and took less than two years from project launch in 1952 to rollout on May 14, 1954. The prototype was the basis for both the KC-135 Stratotanker, an air tanker used by the United States Air Force, and the 707. To enable the fitting of six-abreast seats, the 707's fuselage was widened by 6 inches (150 mm) compared to the original 367-80. Pan Am was the first airline to operate the 707; the aircraft's first commercial flight was from New York to Paris on October 26, 1958. American Airlines operated the first transcontinental 707 flight on January 25, 1959. Many other airlines followed, and the 707 quickly became the most popular jetliner of its time, edging out its main competitor, the Douglas DC-8. As the 1960s drew to a close, the exponential growth in air travel led to the 707 being a victim of its own success. It had become obvious that the 707 was now too small to handle the passenger densities on the routes for which it was designed. Stretching the fuselage was not a viable option because the 707's limited ground clearance made the installation of a larger undercarriage almost impossible. Boeing's answer to the problem was the first twin aisle airliner - the 747. The 707's first-generation engine technology was also rapidly becoming obsolete in the areas of noise and fuel economy. Production of the passenger 707 ended in 1978. (The 767 acted as its partial replacement.) In total, 1,010 707s were built for civil use. The military versions remained in production until 1991. Traces of the 707 are still in many of Boeing's current products, most notably the 737, which uses a modified version of the 707's fuselage. The Chinese government sponsored development of the Shanghai Y-10 during the 1970s, which was a near carbon-copy of the 707. [br]Variant: [br]The original 707, the 707-120 was designed for transcontinental routes and often required a refuelling stop when used on the North Atlantic route. It was originally fitted with four Pratt and Whitney JT3C turbojets, civilian versions of the military J57 model. The later Model 707-120B version used JT3D turbofans, which were quieter, more powerful, and more fuel efficient. [br]The 707-220 (also designated 707-227) was a 707-120 airframe fitted with more powerful JT4A turbojets, for hot and high operations on Braniff International's South American routes. Only five of these were built, due to extremely high fuel consumption. This marque was anyway rendered redundant by the arrival of the turbofan. [br]The later 707-320 Intercontinental and 707-420 Intercontinental models had larger wings, heavier weight and more fuel capacity to operate as true transoceanic aircraft. The original -320 version came equipped with JT4A turbojets, while the 707-320B Intercontinental version came with JT3D turbofans. The 707-320C Convertible, also turbofan-engined, had a large cargo door allowing it to serve as a dual-purpose transport aircraft; a pure 707-320C Freighter was also built. The 707-420 version, produced originally for BOAC, was powered by Rolls-Royce Conway engines. The 707-320 freighter was used by USAF and was given the designation C-18. [br]The 707-700 was a one off test aircraft used to study the feasibility of using CFM International's CFM56 powerplants on a 707 airframe and possibly retrofitting them to existing aircraft. After a testing in 1979 N707QT, the last commercial 707 airframe, was refitted to 707-320C configuration and delivered to the Moroccan Air Force as a tanker aircraft. (This purchase was considered a "civilian" order and not a military one.) Boeing abandoned the program, since they felt it would be a threat to the Boeing 757 programme. The information gathered in the test led to the eventual retrofitting programme of CFM56 engines to the USAF C-135/KC-135R models, and some military versions of the 707 also used the CFM56. Ironically the Douglas DC-8 "Super 70" series by Cammacorp did develop commercially, extending the life of DC-8 airframes in a stricter noise regulatory environment so there are today more DC-8s in commercial service than 707s. [br]The Boeing 720, originally designated 707-020 but later changed for marketing reasons, was a modification of the 707-120 designed for medium-range operation from shorter runways. It was lighter and faster than the Boeing 707, and had a simplified wing design. This model had relatively few sales, but was still profitable due to the minimal R&D costs associated with modifying an existing type. At one point in the promotion stage to airlines it was known as the 717, although this model designation remained unused until it was applied to the MD-95 following Boeing's merger with McDonnell Douglas. It was used before the Boeing 727 replaced it in the market. [br]General characteristics: [br] 707-120B 707-320B [br]Passengers: (2 class) 110 147 [br]Passengers: (1 class) 179 202 [br]Max. takeoff weight: 257,000 lb (116,570 kg) 333,600 lb (151,320 kg) [br]Empty weight: 122,533 lb (55,580 kg) 146,400 lb (66,406 kg) [br]Operating range (Max Payload): 3,680 nautical miles (6,820 km) 3,735 nautical miles (6,920 km) [br]Crusing speed: 540 kt (1000 km/h) 525 kt (972 km/h) [br]Length: 144 ft 6 in (44.07 m) 152 ft 11 in (46.61 m) [br]Wingspan: 130 ft 10 in (39.90 m) 145 ft 9 in (44.42 m). [br] [br]

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