Designed to solve problems breaking through the enemy defense with nuclear weapons on board, shipping cruise missiles and demonstrations of military power on a global scale. AT 1969 g. US Air Force announced a competition for the drafting of a supersonic strategic bomber, which could replace the B-52. FROM 5 June 1970 g. Beginning at 1 research and development effort to create prototypes.
B-1B Lancer – video
The first flight of the prototype took place 23 December 1974 g. hypersonic speed 2,2 M has been reached 5 October 1978 city, The sample and the pre-1A flew 14 February 1979 g. Also in 1977 g. US President George. Carter refused to aircraft production program B-1 in favor of the creation of the CD program, but with the coming to power of the administration of P. Reigate test program B-1 as a major multipurpose supersonic strategic bombers resumed, and 1981 g. It announced its intention to purchase for US Air Force 100 B-1B. The first serial-1B flew 18 October 1984 city, and with 27 July 1985 g. It began to supply the US Air Force serial strategic bombers B-1B under the name "Lancer".
Unlike preproduction, "Lancer" has a reinforced airframe and chassis, which allows for take-off and landing with a large maximum weight. This embodiment has retained the wing of variable geometry, but adjustable air inlets have been a replacement for unregulated and modified engine nacelle design. The redesigned compartment weapons allowed to place a variety of weapons or additional fuel tanks.
1B plane B has an integral aerodynamic design, low wing, vysokoraspolozhennoe horizontal tail and 4 engine, pairwise fastened under the fixed part of the wing. In the construction of aluminum alloys are mainly used in, titanium and composite materials. Established two-spar wing box structure. Semi-monocoque fuselage, It consists of five main sections. The design of safe damages, characterized by high-density frames and longerons. The outer sheathing of the fuselage and the internal structural components made mainly of aluminum alloys.
The main landing gear has four wheels and retracted into the fuselage, bow stand with two wheels - forward. Automatic flight control system is irreversible, busternaya, with quadruple redundancy, hydraulic drives and increase system stability and controllability. Plane B-1B is equipped with four engines F101-GE-102 with static maximum thrust of 13950 kgf. The crew-1B consists of four: two pilots and two operators onboard systems. For each member of the crew is set ejection seat. Entrance to the cabin via the flip-down door on the front landing gear with built-in ladder. The aircraft has two obvious advantages over the B-52 - kitchen and bathroom. avionics system performs the function of defense and attack, allowing rupture defense system at low altitude with high subsonic velocity and strike the objects.
The main components of the complex offensive aircraft equipment-1B are: multifunction radar ARC-164; ИНС SKN-2440, Doppler AN / APN-218 Speed; electronic control units of IBM equipment; modified astroinertial navigation system accuracy NAS-26: Data display apparatus offensive system; electronic components on the CRT display data; a data transmission unit for the collection and storage of data on the combat mission and flight data. The basis of the complex defensive system equipment of AN / ALQ-161, providing automatic detection, opoznavanie and combating enemy air defense radar.
B-1B is equipped with IR-type traps MJU-23 / B to protect aircraft from SD "air-to-air" and anti-aircraft missiles with IR guidance systems. Traps are shot up from the plane. because it is believed, that the breakout bomber air defense system will be flown at low altitudes of, in this case, shooting down traps ineffective. The main weapon of the B-1 B are eight SD AGM-86B ALCM or twenty-four SD AGM-69A, AGM-131A SRAM-2 class "air-land", twelve nuclear bombs B-28, B-43 or twenty-four B-61, B-83, placed in three bomb bay for eight units on rotary launchers. A typical embodiment is considered suspension 16 weapons (two front bomb bay).
For a number of characteristics of the B-1B gives the Russian equivalent of the Tu-160 - a maximum load capacity, range of flight, full speed, but the handling qualities of these machines are about the same. During operation as a result of accidents due to engine failure several aircraft were lost. Due to technical problems, related to the unpreparedness of aircraft for the use of non-nuclear weapons. B-1B did not participate in the conflict in the Persian Gulf 1991 g. but in December 1998 g. in "Operation Desert Fox" against Iraq 6 Strategic bomber "Lancer" have been used to strike a high altitudes conventional bombs. Similarly, B-1 were used in "Operation Deliberate Force" to strike Yugoslavia in March 1999 g.
Nevertheless, this is the first US Air Force bomber with low levels of unmasking signs, four times reduces the level of size on the radar screen, as compared with B-52. Since the B-2 bombers were too expensive and the number is relatively low, the B-1B is the main manned nuclear deterrent in U.S. arsenal.
modifications
B-1A (produced 4 cars). Built on the original version of the. task B-1, with adjustable air inlets and maximum speed 2,2 maha.
B-1B (produced 100 machines). The revised version of B-1, using radar stealth technology and maximum speed 1,25 maha. Implemented concept aircraft low-level air defense breakthrough, by the possibility of flying on ultra-low-altitude terrain following.
B-1R (under development). Variant nominated as an upgrade B-1B. For design, B-1R (R - represents a "regional") I should get new radar, missile air-to-air and new engines Pratt & Whitney F119. presumably, This version of the aircraft will have a maximum speed of 2,2 maha, but the flight distance on 20 % less, than its predecessor.
Performance characteristics of B-1 Lancer
– First flight: 23 December 1974 of the year
– Getting Started: 18 October 1984 of the year
– units produced: B-1A – 4; B-1B – 100
– The cost of developing the program: $20,5 billion
Cost B-1 Lancer
– unit cost: $283,1 million (1998 year)
– The cost of developing the program: $20,5 billion
Crew B-1 Lancer
– 4 man (commander, pilot, weapons and defensive systems operator operator)
Dimensions B-1 Lancer
– Length, m: 44,81
– Wingspan, m: 41,67 / 23,84 (with minimal / maximum angle of sweep)
– Height, m: 10,24
– wing area, m²: 181,2
– Ratio Wing elongation: 9,6 / 3,14
– Ratio Wing constriction: 3,5 / —
– Wing loading, kg / m (Rasco.): 1194,1 (At maximum takeoff weight)
– Sweep angle of the leading edge: 15° / 67,5°
– airfoil: NA69-190-2
– The base chassis, m: 17,53
– track chassis, m: 4,42
Weight B-1 Lancer
– empty weight, kg: 86 180
– Maximum takeoff weight, kg: 216 365
Engine B-1 Lancer
– 4 × ТРДДФ F101-GE-102
– dry power, kN: 4 × 64,9
– afterburning power, kN: 4 × 136,9
– thrust-to-weight ratio (Rasco.): 0,258 / 0,122 (At maximum takeoff weight on / without afterburner)
Speed B-1 Lancer
– full speed, kmh: 1328 (M = 1.25) (on 15 240 m); 1160 (M = 0.92) (on 61-152 m)
Flight range B-1 Lancer
– 12000 km (unrefueled)
Practical ceiling B-1 Lancer
– 18 290 m
Arming B-1 Lancer
– combat load, kg: 60 690 (34 020 + 26 670 on the external load)
– Rockets "air-surface": 24 × AGM-158 (Int. + vnesh.)
– Aviabombı: 24 × B61 or B63; 84 × Mk 82; 24 × Mk 84; 30 × CBU-87/89/97; 30 × CBU-103/104/105; 24 × GBU-31; 15 × GBU-38; 84 × mines Mk 62; 8 Mk × min 65
Photo B-1 Lancer
