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695:. From the VFX submissions, the US Navy procured the Grumman F-14 Tomcat to replace the canceled F-111B fleet interceptor during the 1970s. The F-14 was a more nimble fighter than the F-4 Phantom II and, unlike the F-111, its variable-sweep wings automatically adjusted over its speed range, and could be moved even during turns. Furthermore, the wings could be swept forward for tight "bat" turns in close quarters aerial combat, as well as rearwards for dash speeds.
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the body of an aircraft, through very small deflections. He conceived of a simple ichthyoid (fish-like) fuselage with a variable wing. No other control surfaces were needed. Subtle movements of the wings were able to induce the small deflections which controlled the direction of flight, while trim was maintained by adjusting the angle of sweep to compensate for the varying position of the centre of lift at different speeds.
112:) with a fixed sweep angle. These are simple and efficient wing designs for high speed flight, but there are performance tradeoffs. One is that the stalling speed is increased, necessitating long runways (unless complex high-lift wing devices are built in). Another is that the aircraft's fuel consumption during subsonic cruise is higher than that of an unswept wing. These tradeoffs are particularly acute for naval
47:
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593:, a supersonic low-level strategic bomber. Later variants of the type would have been fitted with variable-geometry wings. However, on 1 April 1965, development of the TSR-2 was terminated during the flight testing phase primarily due to the programme's spiralling costs. To replace the TSR-2, the Air Ministry initially placed an option for the American
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116:. A variable-sweep wing allows the pilot to use the optimum sweep angle for the aircraft's speed at the moment, whether slow or fast. The more efficient sweep angles available offset the weight and volume penalties imposed by the wing's mechanical sweep mechanisms. Its greater complexity and cost make it practical mostly for
795:. However it evolved through several configurations during the design stage, finally adding a canard, and it eventually became clear that the design would be so heavy that it would be lacking sufficient payload for the fuel needed. The design was later abandoned in favor of a more conventional tailed
445:
light fighter for two different concepts – one tailless and one using with a conventional tail – for a multipurpose fighter/strike/trainer, designated as the Fo. 147. It had a unique mechanism for wing sweep that combined tracks on the fuselage sides and the underside of the wings, which was actuated
424:
was opposed to committing any resources to the project. Wallis collaborated with NASA's
Langley Laboratory on a design study for a variable-sweep fighter. Although it used the pivot mechanism he had developed, NASA also insisted on implementing a conventional horizontal stabiliser to ease the issues
363:
started studying the variable sweep wing. He devised a method of varying the tail geometry as well in order to stabilise the centre of lift; no sliding mechanism was necessary, instead, the wing wake interacted with the variable tail to effect the necessary trim changes. During 1949 and 1951, Baynes
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A straight, unswept wing experiences high drag as it approaches the speed of sound, due to the progressive buildup of sonic shockwaves. Sweeping the wing at an angle, whether backwards or forwards, delays their onset and reduces their overall drag. However it also reduces the overall span of a given
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during takeoff and landing, while also generating little drag during a high-speed dash. When the wings were set to their widest position the aircraft had considerably better lift and power than the B-52, allowing the B-1 to operate from a much wider variety of bases. Rockwell submitted its proposal
633:
were unenthusiastic participants in the AFVG, the former wanting to pursue its own indigenous variable geometry aircraft, while the latter had determined that the type did not align with its future equipment plans. In June 1967, the French government announced their withdrawal from the AFVG project
205:
developed a radical aircraft configuration for high-speed flight, which he regarded as distinct from the conventional fixed-wing aeroplane and called it the wing controlled aerodyne. His previous work on the stability of airships had impressed on him the high control forces that could be exerted on
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functionality via the canard, the necessity of a large tailplane was eliminated. The Fo. 147 was claimed to have been capable of speeds in excess of Mach 2, being limited by the heat buildup generated by high speed flight. Ultimately, the concept would not be developed to the prototype stage while
432:
Barnes' work inspired a number of further studies, including a wing controlled aerodyne in response to OR.346 for a supersonic STOL fighter-bomber, then as BAC two further submissions: the Type 583 to meet Naval ER.206 and Type 584 to meet NATO NBMR.3, both also being V/STOL requirements. In 1960,
189:
A fixed wing must be a compromise between these two requirements. Varying the sweep in flight allows it to be optimised for each phase of flight, offering a smaller aircraft with higher performance. However it has disadvantages which must be allowed for. As the wing sweeps its centre of lift moves
649:
Despite the AFVG programme's collapse, the design was revamped by BAC into a larger strike-oriented variable geometry aircraft. Holding contracts were issued to BAC to support the project, which had been re-designated as the United
Kingdom Variable Geometry (UKVG) aircraft. In November 1967, BAC
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which was, in part, developed to investigate the benefits of varying wing sweep. Its sweep angle mechanism, which could only be adjusted on the ground between three separate positions of 30, 40, and 45 degrees, was intended for testing only, and was unsuitable for combat operations. However, by
209:
For supersonic flight a delta-planform lifting body is more suitable than a simple ichthyoid. A conflict also arises between the wing sweep angle necessary for trim and the optimal angle for supersonic cruise. Wallis resolved this by moving mass, typically the engines, out to the wing tips and
376:
Independently from Baynes, British engineer Barnes Wallis was also developing a more radical variable-geometry concept, which he called the wing controlled aerodyne, to maximise the economy of high-speed flight. His first study was the Wild Goose project. Subsequently, Barnes devised the
425:
of trim and manoeuvrability. Although it was no longer the wing-controlled aerodyne that Wallis envisaged, it would prove a more practical solution than either his or Bell's. Swallow research led to several new configurations, including the adoption of a compact folding tail section and
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with it. Some mechanism, such as a sliding wing root or larger tail stabiliser, must be incorporated to trim out the changes and maintain level flight. The added weight of the sweep and trim mechanisms eat into the performance gains, while their complexity adds to cost and maintenance.
679:. This memorandum eventually led to the launch of the multinational Multi-Role Combat Aircraft (MRCA) project, which successfully produced a variable geometry aircraft for the strike, reconnaissance, and interception missions in the form of the Panavia Tornado.
352:, was constructed with wings that enabled the sweep angle to be altered mid-flight. As the wing swept back, the root also slid forwards, maintaining the centre of lift in a constant position. A variable-sweep wing of this sliding type was flown on the prototype
281:
design whose lightly swept wings could vary their sweep through a small angle during flight. This allowed longitudinal trim in the absence of a separate horizontal stabiliser. The concept would later be incorporated in Barnes Wallis's wing-controlled aerodyne.
210:
swivelling them as the wing swept in order to maintain the thrust line. In the asymmetric engine-out condition, the remaining engines could be swivelled to divert the thrust line closer to the centre of pressure and reduce the asymmetry to manageable levels.
503:, the issue also has been attributed with the loss of an F-111 in the following year. Accordingly, the attach points were structurally redesigned and subject to intensive testing of both the design and manufacturing quality. The F-111B, intended for the
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fighter and the Sukhoi Su-24 tactical bomber, both of which flew in prototype forms around the end of the 1960s and entering service during the early 1970s. During 1962, Tupolev's design team, recognising room for improvement on the recently introduced
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turbofan engines, was also mooted. As solely funding for the UKVG was unrealistic, the
British government pursued partners within its fellow NATO members, promoting the concept of developing and procuring a common NATO strike aircraft. In July 1968, a
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bomber, begun work on an extensively redesigned derivative that incorporated a variable geometry wing, intended to address the Tu-22's poor handling characteristics more so than bolstering its efficiency at high speeds. As of 2014 more than 100
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applications associated with this work. While the design reached the physical modelling stage and was subject to a complete round of wind tunnel tests, the
British Government failed to provide financial backing for the work, allegedly due to
682:
Following the AFVG effort, Dassault
Aviation constructed a prototype fighter, the Mirage G, completing two aircraft, the Mirage G4 and G8, in 1968. Furthermore, Dassault also worked in cooperation with the American manufacturing interest
479:
During the 1960s, the first programmes to produce mass production variable-sweep aircraft commenced. In the United States, such a configuration for the TFX (Tactical
Fighter Experimental) program, which resulted in the development of the
2220:, February 2002 Issue. Quote: "dedicated air combat occurs at below about 0.8 because of high turning drag – an arena in which the F-14's 20-degree sweep is optimal ... it has only 36 percent of the F-14's payload/range capability."
123:
A number of aircraft, both experimental and production, were introduced between the 1940s and the 1970s. The majority of production aircraft to be furnished with variable-sweep wings have been strike-oriented aircraft, such as the
571:
As such, producing new, "clean-sheet" Soviet designs remained desirable. For this, TsAGI devised a more narrowly-spaced arrangement somewhat similar to that of the F-111. This design was used, albeit at different scales, for the
600:
Following the TSR-2's cancellation, BAC moved their variable-geometry work to Warton, there submitting the P.45 light attack/trainer to AST 362. This work fed into a joint Anglo-French programme to develop a
549:) between the wing pivots. By adopting a wider spacing, this not only reduced the negative aerodynamic effects of changing wing sweep, but also provided a larger fixed wing section which could be used for
722:
in
January 1970, competing against bids by Boeing and General Dynamics. The B-1's development was authorised in October 1981 as a stopgap between the increasingly vulnerable B-52 and the more capable
1473:, Dassault had gained valuable data on variable-geometry configurations from the AFVG programme and may have used the excuse of cost issues in order to divert funds and data to their own VG projects.
545:, the Soviet aerodynamics bureau, performing extensive studies into variable geometry wings. TsAGI evolved two distinct designs, differing mainly in the distance (expressed as a percentage of total
809:
In 2015, the
Russian Ministry of Defence announced plans to restart Tu-160 production, citing the aging of the current aircraft and likely protracted development of its eventual replacement, the
85:, or set of wings, that may be modified during flight, swept back and then returned to its previous straight position. Because it allows the aircraft's shape to be changed, it is an example of a
761:, during April 1987. The aircraft is the largest and heaviest combat aircraft, the fastest bomber in use and the largest and heaviest variable-sweep wing airplane to have ever flown as of 2020.
650:
issued a brochure on the UKVG proposal; various proposals would be issued to cover the use of multiple different engines. The quick production of a demonstrator aircraft, powered by a pair of
152:. From the 1980s onwards, the development of such aircraft were curtailed by advances in flight control technology and structural materials which have allowed designers to closely tailor the
484:, a sizable twin-engined aircraft intended to perform multiple roles. The F-111 is the first production aircraft to feature a variable-geometry wing and it, along with other systems such as
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Despite this head start in the field, development of the F-111 was protracted; flight testing of the F-111A model only ended in 1973. During 1968, cracks were discovered in the F-111's
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507:, was cancelled in 1968 due the aircraft's weight and performance issues, as well as its inadequacies for the service's fighter requirements. Several variants, such as the FB-111A
404:
Despite this lack of backing, the
Swallow attracted international attention for some time. During late 1958, research efforts were temporarily revived through cooperation with the
193:
By moving the wing pivots outboard and only sweeping part of the wing, the trim changes are reduced, but so too is the variation in span and accompanying operational flexibility.
1943:
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The Soviet Union also opted to develop a large strategic bomber equipped with variable geometry wings. During the early 1970s, Tupolev's design, which was initially designated
348:. However, due to a lack of documentation as well as some structural damage sustained, Bell decided against completing the aircraft itself. Instead, a close copy, known as the
806:
flight control systems in the 1970s negated many of the disadvantages of a fixed-wing configuration. No new variable-sweep wing aircraft have been built since the Tu-160.
356:
in 1952. However, flight testing of the F10F proved to be unacceptable, albeit for other factors such as a lack of engine power and considerable controllability issues.
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as its chief engineer and director; he soon set about harnessing his experience of variable-geometry wings. Accordingly, such a wing was combined with the firm's
412:, under which all of Wallis' variable geometry research was shared with the Americans. According to aviation author James R. Hansen, American aerospace engineer
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568:). The limitation of the wide spacing, however, was that it reduced the benefits of variable geometry as much as it reduced their technical difficulties.
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and structure of aircraft, removing the need for variable sweep angle to achieve the required performance; instead, wings are given computer-controlled
401:, at speeds of up to Mach 2. However, in 1957, British government decided to withdraw backing from many aeronautical programs, including Wallis' work.
2197:
Claude
Carlier, Une formule aérodynamique gagnante. La grande aventure des «Mirage» à géométrie variable, 2, Le Fana de l’aviation, 537, août 2014.
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testing an unusual asymmetric wing configuration, a possible in-flight failure case, showing one wing at minimum sweep and one at maximum sweep
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It is not necessary to sweep the port and starboard wings in the same sense - one can be swept back and the other forward, as in the
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model, featured elongated wings to give a greater range and load-carrying capability. The F-111's wing featured pivoting
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Varying the sweep asymmetrically by small amounts was also fundamental to the principle of the wing controlled aerodyne.
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positioned at the wing's inner ends. The wings could be swept from 20 degrees to 70 degrees; at the 70-degree position,
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Development of the Messerschmitt P.1101 (qv), sweep could be varied between positions at 20°, 40°, or 60° in flight.
726:(ATB). Initial operational capability was reached on 1 October 1986 and the B-1B was placed on nuclear alert status.
462:, while this was provided by a retractable canard arrangement when swept at the 20-degree position, using full auto-
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within ten hours. Later on, the Swallow was increasingly viewed as a potential supersonic successor to the subsonic
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flight it is essential that the wing be swept. Most aircraft that travel at those speeds usually have wings (either
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515:(two under each wing) which automatically adjusted to the sweep angle. Subsequent swing-wing aircraft, such as the
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1985:
Conclusions of a Meeting of the Cabinet held at 10 Downing Street, S.W.1, on Thursday, 1st April, 1965, at 10 p.m.
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project. Production restarted in 2021, marking the first new variable sweep airframes to be produced in 29 years.
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began to actively undermine the AFVG, as it was working on two competing in-house projects: the variable geometry
597:; while the F-111K was promoted as being cheaper, this too was terminated during January 1968 on grounds of cost.
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discovered the advantages of the swept wing for transonic flight, and also its disadvantages at lower speeds. The
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609:(AFVG). This multirole aircraft was to be equipped with a variable geometry wing and was intended to perform the
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adopted variable geometry for the much larger Advanced Manned Strategic Bomber (AMSA) program that produced the
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Conclusions of a Meeting of the Cabinet held at 10 am. 10 Downing Street, S.W.1, on Thursday, 1st April, 1965
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penetration speeds at extremely low level. The B-1's variable-sweep wings provide a relatively high level of
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1 unfinished airframe, wings variable to 3 pre-set positions of 20°, 40°, or 45° only while on the ground.
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397:. During the 1950s, several modes of the Swallow were subjected to promising tests, including a six-foot
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Following the end of the conflict, the partially complete P.1101 was recovered and transported to the
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The Race for Hitler's X-Planes : Britain's 1945 Mission to Capture Secret Luftwaffe Technology
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tailless aircraft, which was envisioned to be capable of making return flights between Europe and
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2076:"Making Collaboration Work: Examining Sub-Optimal Performance and Collaborative Combat Aircraft."
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bomber, intended to provide an optimum combination of high-speed cruising efficiency and fast,
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Sweep could be varied between 20° and 68° in flight, could be "overswept" to 75° for parking.
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2463:"Putin made decision to revive production of Tu-160M strategic bomber — Air Force commander"
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Sweep could be varied between positions at 13.5° or 42.5° in flight, 2nd example not flown.
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of the wing automatically to adjust to the flight regime; this technique is another form of
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Murray, Iain. "Bouncing-Bomb Man: the Science of Sir Barnes Wallis." Haynes, 2009. p. 191.
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Hawker's Secret Projects: Cold War Aircraft That Never Flew By Christopher Budgen 2023,
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753:, it entered operational service with the 184th Guards Heavy Bomber Regiment located at
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was the first variable-sweep wing aircraft to be put into production. Shown are three
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The World's Worst Aircraft: From Pioneering Failures to Multimillion Dollar Disasters
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The earliest use of variable sweep was to trim the aeroplane for level flight. The
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The Bird Is on the Wing: Aerodynamics and the Progress of the American Airplane
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wing, leading to poor cruise efficiency and high takeoff and landing speeds.
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541:, military planners had also formulated similar requirements, which led to
2543:"Проект штурмовика УВВП Hawker Siddeley P.1017 (Великобритания. 1962 год)"
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the RAF showed little interest the prospective variable geometry trainer.
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2370:(Pimlico 2001 ed.). London: John Murray, Random House. p. 162.
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Belgium, Canada, Italy, the Netherlands and West Germany were approached.
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Unique wing that could be pivoted obliquely from 0° to 60° during flight
850:
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489:
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is most efficient for low-speed flight, but for an aircraft designed for
79:
2627:
Eden, Paul, ed. (2004), "General Dynamics F-111 Aardvark/EF-111 Raven",
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Sweep could be varied between positions at 28°, 45°, or 62° in flight.
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Sweep could be varied between positions at 16°, 45°, or 72° in flight.
672:
504:
500:
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2880:(Navy Fighters No. 41). Simi Valley, California: Steve Ginter, 1998.
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258:
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Abzug and Larrabee, Airplane Stability and Control: Second Edition.
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roles. However, as early as 1966, the French aircraft manufacturer
27:
Airplane wings capable of changing position to alter their geometry
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During the late 1950s and early 1960s, Britain was developing the
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A variable-sweep wing was selected as the winning design used by
629:. According to aviation author Derek Wood, both Dassault and the
160:
on both leading and trailing edges that increase or decrease the
2433:"Russia to reestablish Tu-160 supersonic bomber production line"
606:
417:
409:
82:
37:"Variable fighter" redirects here. For the fictional mecha, see
2926:
2568:, Aircraft (Technical) Publications Ltd, 1943 or 1944. pp.68-9.
2044:"Anglo-French projects go ahead... The AFVG and its dual role."
1855:. (Pennsylvania). Associated Press. 13 January 1970. p. 8.
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was enthusiastic on the concept, as were numerous engineers at
2719:
Aeronautical Research in Germany: From Lilienthal until Today.
698:
2753:
Tupolev – The Man and His Aircraft: The Man and His Aircraft
1987:, CC(65)21, CAB/128/39. London: Public Record Office, 2010.
1975:, CC(65)20, CAB/128/39. London: Public Record Office, 2010.
2000:, C(65)58, CAB/129/121. London: Public Record Office, 2010.
2797:. Atglen, Pennsylvania: Schiffer Military History, 1998.
2717:
Hirschel, Ernst Heinrich., Horst Prem and Gero Madelung.
2392:"Largest military aircraft by weight, operational bomber"
2735:
B-1 Lancer: The Most Complicated Warplane Ever Developed
957:
Sweep could be varied between 16° and 72.5° in flight.
2280:"Our New B-1 Bomber – High, Low, Fast, and Slow."
1804:"Capital still buzzing whether TFX a colossal blunder"
1182:
Sweep could be varied between 15° and 67.5° in flight
929:
Sweep could be varied between 22° and 70° in flight.
2587:, vol. 1, Santa Barbara, California: ABC-CLIO,
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Sweep could be varied between 16° and 69° in flight
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Sweep could be varied between 25° and 67° in flight
309:, the sole prototype was only 80 per cent complete.
136:. The configuration was also used for a few fighter/
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3445:
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2489:"Вновь изготовленный Ту-160М совершил первый полет"
1934:"Kings of the swingers: Top 13 swing-wing aircraft"
1581:
1579:
2768:
2706:London: Royal Air Force Historical Society, 2002.
2835:. Fallbrook, California: Aero Publishers, 1982.
2667:. London. Frederick Warne & Co. Ltd., 1972.
2138:
2136:
2512:Roland de Narbonne; "Quand l'ingenier délire",
2177:British Secret Projects: Jet Bombers Since 1949
1700:
1698:
1696:
30:"Swing wing" redirects here. For the toy, see
2938:
2721:Springer Science & Business Media, 2012.
2555:Morpurgo, 1981. Date of first flight, p. 321.
1125:Development of the MiG-23, same sweep range.
737:layout and incorporated some elements of the
8:
2296:"Reagan approves B-1, alters basing for MX."
2285:, Volume 197, Issue 5, November 1970, p. 86.
702:A B-1B Lancer with wings swept full forward
496:, were innovative technologies for the era.
2619:DeMeis, Richard. "No Room to Swing a Cat."
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2059:
1849:"F-111 problems return to plague President"
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2585:Air Warfare: an International Encyclopedia
2301:, 3 October 1981. Retrieved: 28 July 2010.
2016:, April 1966. Retrieved: 13 December 2010.
1602:
1600:
820:
54:prototypes, the upper one with wings swept
2910:. Macdonald and Jane's Publishers, 1975.
2850:2nd Edn, 1981. (1st Edn, Longmans, 1972).
2208:"F-14D Tomcat vs. F/18 E/F Super Hornet."
1810:. (Oregon). Associated Press. p. 5A.
1594:Hirschel, Prem and Madelung 2012, p. 336.
2647:Germany's Secret Weapons of World War II
2629:Encyclopedia of Modern Military Aircraft
2148:24 May 2003. Retrieved: 29 January 2011.
2100:1 June 1967. Retrieved: 29 January 2011.
1912:Encyclopedia of Modern Military Aircraft
1538:, Aircraft (Technical) Publications Ltd.
359:During the late 1940s, British engineer
2811:The British Aircraft Specification File
2649:. London, United Kingdom: Amber Books.
1495:
1462:
607:Anglo French Variable Geometry Aircraft
2751:Kandalov, Andrei; Duffy, Paul (1996).
2206:Kress, Bob and RADM Gilchrist USNRet.
1946:from the original on 27 September 2014
1503:
1501:
1499:
2443:from the original on 17 December 2015
1910:Eden, Paul, ed. "Tupolev Tu-22/22M".
1041:VTOL capable strike fighter concept.
7:
1998:The Need for an Option on the F-111A
1564:from the original on 10 October 2018
1548:
1546:
1544:
691:, which was submitted for US Navy's
523:, would also be similarly equipped.
406:Mutual Weapons Development Programme
2809:Meekcoms, K J; Morgan, E B (1994).
2755:. Society of Automotive Engineers.
2398:from the original on 6 October 2018
634:ostensibly on the grounds of cost.
458:was maintained by wing tip-mounted
422:United States Department of Defense
344:, where it was studied in depth by
2895:. London: Amber Books Ltd., 2005.
2771:Military Technologies of the World
2685:. Texas A&M University Press.
2237:from the original on 30 March 2009
2011:"P-3347: The 1966 Defense Review."
1932:Hoyle, Craig (26 September 2014),
1901:Kandalov & Duffy 1996, p. 124.
1469:According to aviation publication
25:
2833:General Dynamics F-111 "Aardvark"
2601:Christopher, John (1 June 2013).
2469:from the original on 23 June 2015
2431:Stevenson, Beth (30 April 2015).
2345:from the original on 17 July 2011
2329:Sergeyev, Pavel (30 April 2008).
1724:The Barnes Wallis Memorial Trust.
1620:. Atglen, PA: Schiffer Pub. Ltd.
1525:Meekcoms and Morgan 1994, p. 143.
2856:Boeing North American B-1 Lancer
2516:, No. 461, April 2008. pp.66-69.
2367:The Cold War: A Military History
1802:Price, Bem (18 September 1966).
2795:General Dynamics F-111 Aardvark
2665:The Observer's Book of Aircraft
2623:, Volume 6, No. 4, August 1976.
817:List of variable-sweep aircraft
3855:In-flight entertainment system
3552:Horizontal situation indicator
2878:Grumman Navy F-111B Swing Wing
2775:. Vol. 1. Santa Barbara,
1585:Christopher 2013, pp. 157–160.
1356:. Small-scale test UAV flown.
586:strategic bombers are in use.
371:budget constraints at the time
1:
2566:The Book of Westland Aircraft
1942:, Reed Business Information,
1914:. London: Amber Books, 2004.
1536:The Book of Westland aircraft
3906:Variable-sweep-wing aircraft
3835:Environmental control system
1554:"Barnes Wallis Supersonics,
659:was signed between Britain,
275:Westland-Hill Pterodactyl IV
2848:Barnes Wallis: A Biography.
2701:"Eroding the Requirement."
2699:Heron, Group Captain Jock.
2081:Retrieved: 2 February 2011.
1618:The Messerschmitt Me P.1101
749:designs. Designated as the
657:memorandum of understanding
652:Rolls-Royce/MAN Turbo RB153
74:, colloquially known as a "
3932:
3512:Course deviation indicator
3203:Electro-hydraulic actuator
2733:Jenkins, Dennis R (1999).
2394:. Guinness World Records.
2143:"Obituary: Handel Davies."
1426:Index of aviation articles
724:Advanced Technology Bomber
321:Wing pivot mechanism of a
36:
29:
3743:Conventional landing gear
2737:. New York: McGraw-Hill.
2695:– via Google Books.
2679:Hansen, James R. (2004).
1883:Thomason 1998, pp. 52–53.
1744:Hansen 2004, pp. 130-132.
1735:Hansen 2004, pp. 129-130.
1385:Variable 4.75° for trim.
1362:Westland-Hill Pterodactyl
1188:Sukhoi Su-17, 20 & 22
3901:Aircraft wing components
3527:Flight management system
2583:Boyne, Walter J (2002),
2331:
2231:"Fact file: F-14 Tomcat"
2157:Wood 1975, pp. 204, 206.
2091:"Military and Research."
1865:Miller 1982, pp. 31, 47.
1829:Miller 1982, pp. 17, 19.
1657:Winchester 2005, p. 295.
733:, featured a lengthened
197:Wing controlled aerodyne
3830:Emergency oxygen system
3592:Turn and slip indicator
3387:Leading-edge droop flap
3357:Drag-reducing aerospike
3332:Adaptive compliant wing
3327:Active Aeroelastic Wing
2813:. Tonbridge, Kent, UK:
2631:, London: Amber Books,
2218:Flight Journal Magazine
2109:Wood 1975, pp. 203–204.
2034:Logan 1998, pp. 278–80.
1892:Miller 1982, pp. 38–43.
1771:Wood 1975, pp. 198–199.
1726:Retrieved: 14 May 2013.
1704:Wood 1975, pp. 189-191.
1436:Variable-incidence wing
1431:Adaptive compliant wing
1075:Mikoyan-Gurevich MiG-23
741:, competed against the
595:General Dynamics F-111K
574:Mikoyan-Gurevich MiG-23
492:engines outfitted with
486:terrain following radar
295:Messerschmitt Me P.1101
142:Mikoyan-Gurevich MiG-23
126:Mikoyan-Gurevich MiG-27
3870:Passenger service unit
3671:Self-sealing fuel tank
3567:Multi-function display
2364:Miller, David (1998).
2335:[White Swan].
2310:Pace 1998, pp. 62, 69.
1792:Eden 2004 pp. 196–197.
1019:Hawker Siddeley P.1017
935:General Dynamics F-111
776:
703:
646:
613:, reconnaissance, and
605:strike aircraft – the
561:(based on the earlier
534:
482:General Dynamics F-111
337:
326:
270:
251:
114:carrier-based aircraft
67:
55:
3896:Aircraft aerodynamics
3850:Ice protection system
3768:Tricycle landing gear
3758:Landing gear extender
2975:Aft pressure bulkhead
2767:Lee, Tae-Woo (2008).
2703:The Birth of Tornado.
2514:Le Fana de l'Aviation
2465:. TASS. 28 May 2015.
2269:Pace 1998, pp. 22-23.
1808:Eugene Register-Guard
1616:Myrha, David (1999).
772:
701:
640:
529:
332:
320:
307:Victory in Europe Day
257:
241:
61:
49:
3916:Aircraft performance
3815:Auxiliary power unit
3223:Flight control modes
2854:Pace, Steve (1998).
2645:Ford, Roger (2013).
2319:Jenkins 1999, p. 83.
2233:. 11 December 2002.
2213:4 April 2009 at the
2014:The Rand Corporation
1719:6 April 2007 at the
1471:Flight International
1441:Variable camber wing
1047:Messerschmitt P.1101
963:Grumman XF10F Jaguar
789:supersonic transport
456:longitudinal control
354:Grumman XF10F Jaguar
336:sweep wing mechanism
297:was an experimental
138:interceptor aircraft
3911:Wing configurations
3794:Escape crew capsule
3701:War emergency power
3572:Pitot–static system
3417:Variable-sweep wing
3125:Vertical stabilizer
2862:: Specialty Press.
1874:Boyne 2002, p. 252.
1762:Wood 1975, pp. 198.
1688:UK Patent GB713525A
1676:UK Patent GB664058A
1666:DeMeis 1976, p. 32.
1160:Rockwell B-1 Lancer
991:Grumman F-14 Tomcat
393:, one of the RAF's
150:Panavia Tornado ADV
146:Grumman F-14 Tomcat
72:variable-sweep wing
64:Grumman F-14 Tomcat
3502:Attitude indicator
3482:Airspeed indicator
3477:Aircraft periscope
2188:Green 1972, p. 84.
2166:Wood 1975, p. 206.
2130:Wood 1975, p. 204.
2118:Heron 2002, p. 11.
2065:Wood 1975, p. 202.
2025:Wood 1986, p. 181.
1838:Logan 1998, p. 32.
1820:Logan 1998, p. 14.
1783:Wood 1975, p. 199.
1753:Wood 1975, p. 197.
1606:Ford 2013, p. 224.
1298:Vickers Wild Goose
777:
704:
647:
535:
501:wing attach points
338:
327:
271:
263:Museum of Aviation
261:on display at the
252:
68:
56:
3883:
3882:
3810:Aircraft lavatory
3547:Heading indicator
3492:Annunciator panel
3472:Air data computer
3382:Leading-edge cuff
2908:Project Cancelled
2891:Winchester, Jim.
2876:Thomason, Tommy.
2786:978-0-275-99535-5
2605:. History Press.
2418:"Boeing 2707 SST"
2098:flightglobal.com,
2051:flightglobal.com,
1646:978-0-521-02128-9
1417:
1416:
907:Dassault Mirage G
804:relaxed stability
685:Ling-Temco-Vought
603:variable geometry
289:, researchers in
248:Australian F-111s
201:British engineer
170:variable geometry
118:military aircraft
87:variable-geometry
52:Dassault Mirage G
16:(Redirected from
3923:
3865:Navigation light
3845:Hydraulic system
3820:Bleed air system
3748:Drogue parachute
3422:Vortex generator
3040:Interplane strut
2947:
2940:
2933:
2924:
2873:
2858:. North Branch,
2828:
2790:
2774:
2748:
2696:
2663:Green, William.
2660:
2641:
2616:
2597:
2569:
2562:
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2547:
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2326:
2320:
2317:
2311:
2308:
2302:
2292:
2286:
2276:
2270:
2267:
2261:
2260:Lee 2008, p. 13.
2258:
2247:
2246:
2244:
2242:
2227:
2221:
2204:
2198:
2195:
2189:
2186:
2180:
2173:
2167:
2164:
2158:
2155:
2149:
2140:
2131:
2128:
2119:
2116:
2110:
2107:
2101:
2088:
2082:
2079:allacademic.com.
2072:
2066:
2063:
2054:
2053:26 January 1967.
2041:
2035:
2032:
2026:
2023:
2017:
2007:
2001:
1994:
1988:
1982:
1976:
1970:
1964:
1961:
1955:
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1951:
1929:
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1908:
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1899:
1893:
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1523:
1517:
1514:
1508:
1505:
1483:
1480:
1474:
1467:
821:
783:'s entry in the
755:Pryluky Air Base
743:Myasishchev M-18
645:with wings swept
631:French Air Force
509:strategic bomber
439:Folland Aircraft
287:Second World War
214:Asymmetric sweep
140:, including the
32:Swing Wing (toy)
21:
18:Variable fighter
3931:
3930:
3926:
3925:
3924:
3922:
3921:
3920:
3886:
3885:
3884:
3879:
3875:Ram air turbine
3840:Flight recorder
3798:
3777:
3710:
3691:Thrust reversal
3615:
3606:
3577:Radar altimeter
3542:Head-up display
3452:
3441:
3337:Anti-shock body
3319:
3307:
3168:Artificial feel
3150:Flight controls
3144:
3010:Fabric covering
2960:
2956:components and
2951:
2921:
2870:
2853:
2846:Morpurgo, J.E.
2825:
2808:
2787:
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2299:Chicago Tribune
2294:Coates, James.
2293:
2289:
2283:Popular Science
2277:
2273:
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2259:
2250:
2240:
2238:
2229:
2228:
2224:
2215:Wayback Machine
2205:
2201:
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2192:
2187:
2183:
2175:Buttler, Tony.
2174:
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1721:Wayback Machine
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1524:
1520:
1516:Morpurgo, 1981.
1515:
1511:
1506:
1497:
1492:
1487:
1486:
1481:
1477:
1468:
1464:
1459:
1454:
1422:
1330:Vickers Swallow
1131:Panavia Tornado
879:Dassault Falcon
819:
787:'s study for a
767:
687:to develop the
517:Panavia Tornado
477:
466:. By providing
435:Maurice Brennan
420:; however, the
391:Vickers Valiant
325:during overhaul
323:Panavia Tornado
315:
269:, United States
236:
231:
216:
199:
183:
178:
176:Characteristics
134:Panavia Tornado
42:
35:
28:
23:
22:
15:
12:
11:
5:
3929:
3927:
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3860:Landing lights
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3827:
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3799:
3797:
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3783:
3782:Escape systems
3779:
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3770:
3765:
3760:
3755:
3750:
3745:
3740:
3735:
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3720:arresting gear
3712:
3711:
3709:
3708:
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3676:Splitter plate
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3022:
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2995:Cruciform tail
2992:
2990:Crack arrestor
2987:
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2655:
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2637:
2624:
2617:
2612:978-0752464572
2611:
2598:
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2579:
2577:
2574:
2571:
2570:
2564:Lukins, A.H.;
2557:
2548:
2545:. 22 May 2022.
2534:
2518:
2505:
2480:
2454:
2423:
2409:
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2376:
2356:
2341:(in Russian).
2321:
2312:
2303:
2287:
2278:Kocivar, Ben.
2271:
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2222:
2199:
2190:
2181:
2168:
2159:
2150:
2132:
2120:
2111:
2102:
2083:
2074:DeVore, Marc.
2067:
2055:
2036:
2027:
2018:
2009:DeWeerd, H.A.
2002:
1996:Healey, D. W.
1989:
1977:
1965:
1956:
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1903:
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1271:Tupolev Tu-160
1267:
1266:
1264:
1261:
1258:
1255:
1252:
1249:
1246:
1244:Tupolev Tu-22M
1240:
1239:
1236:
1235:1,400 (approx)
1233:
1230:
1227:
1224:
1221:
1218:
1212:
1211:
1208:
1205:
1202:
1199:
1198:Fighter-Bomber
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1177:
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1120:
1117:
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1111:
1108:
1105:
1103:Mikoyan MiG-27
1099:
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1077:
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977:
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949:
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945:Fighter-bomber
943:
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840:
837:
834:
831:
828:
825:
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815:
802:The advent of
774:Tupolev Tu-160
766:
763:
751:Tupolev Tu-160
584:Tupolev Tu-22M
476:
473:
314:
311:
277:of 1931 was a
235:
232:
230:
227:
215:
212:
198:
195:
182:
181:Variable sweep
179:
177:
174:
130:Tupolev Tu-22M
26:
24:
14:
13:
10:
9:
6:
4:
3:
2:
3928:
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3823:
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3816:
3813:
3811:
3808:
3807:
3805:
3803:Other systems
3801:
3795:
3792:
3790:
3789:Ejection seat
3787:
3786:
3784:
3780:
3774:
3771:
3769:
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3759:
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3749:
3746:
3744:
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3733:Arrestor hook
3731:
3729:
3728:Aircraft tire
3726:
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3532:Glass cockpit
3530:
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3467:Air data boom
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3259:
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3249:
3248:Rudder pedals
3246:
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3108:
3106:
3105:Trailing edge
3103:
3101:
3098:
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3085:Stressed skin
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2936:
2934:
2929:
2928:
2925:
2917:
2916:0-356-08109-5
2913:
2909:
2906:Wood, Derek.
2905:
2902:
2901:1-904687-34-2
2898:
2894:
2890:
2887:
2886:0-942612-41-8
2883:
2879:
2875:
2871:
2869:1-58007-012-4
2865:
2861:
2857:
2852:
2849:
2845:
2842:
2841:0-8168-0606-3
2838:
2834:
2831:Miller, Jay.
2830:
2826:
2824:0-85130-220-3
2820:
2816:
2812:
2807:
2804:
2803:0-7643-0587-5
2800:
2796:
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2778:
2773:
2772:
2765:
2762:
2758:
2754:
2750:
2746:
2744:0-07-134694-5
2740:
2736:
2731:
2728:
2727:3-642-18484-7
2724:
2720:
2716:
2713:
2712:0-9530345-0-X
2709:
2705:
2704:
2698:
2694:
2692:1-5854-4243-7
2688:
2684:
2683:
2677:
2674:
2673:0-7232-1507-3
2670:
2666:
2662:
2658:
2656:9781909160569
2652:
2648:
2643:
2640:
2638:1-904687-84-9
2634:
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2594:1-57607-345-9
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2538:
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2531:9781399047906
2528:
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2194:
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2185:
2182:
2178:
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2160:
2154:
2151:
2147:
2146:The Guardian,
2144:
2139:
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2019:
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1853:Reading Eagle
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1715:
1714:"Swing Wing."
1710:
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1627:0-7643-0908-0
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1354:Barnes Wallis
1351:
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1328:
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1322:Barnes Wallis
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1136:International
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786:
782:
775:
771:
764:
762:
760:
759:Ukrainian SSR
756:
752:
748:
744:
740:
736:
732:
731:Aircraft 160M
727:
725:
720:
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712:
708:
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690:
686:
680:
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674:
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635:
632:
628:
624:
620:
616:
612:
608:
604:
598:
596:
592:
587:
585:
580:
579:Tupolev Tu-22
575:
569:
567:
564:
560:
556:
552:
548:
544:
540:
533:
528:
524:
522:
518:
514:
510:
506:
502:
497:
495:
491:
487:
483:
474:
472:
469:
465:
464:stabilisation
461:
457:
453:
449:
448:hydraulically
444:
440:
436:
430:
428:
423:
419:
415:
411:
407:
402:
400:
396:
392:
388:
384:
380:
374:
372:
367:
362:
357:
355:
351:
347:
346:Bell Aircraft
343:
342:United States
335:
331:
324:
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312:
310:
308:
303:
300:
296:
292:
288:
283:
280:
276:
268:
264:
260:
256:
249:
245:
240:
233:
228:
226:
223:
221:
213:
211:
207:
204:
203:Barnes Wallis
196:
194:
191:
187:
180:
175:
173:
171:
167:
163:
159:
155:
151:
147:
143:
139:
135:
131:
127:
121:
119:
115:
111:
107:
103:
99:
95:
94:straight wing
90:
88:
84:
81:
77:
73:
65:
60:
53:
48:
44:
40:
39:VF-1 Valkyrie
33:
19:
3825:Deicing boot
3753:Landing gear
3696:Townend ring
3686:Thrust lever
3661:NACA cowling
3626:Autothrottle
3618:fuel systems
3616:devices and
3416:
3407:Stall strips
3377:Krueger flap
3347:Channel wing
3293:Wing warping
3283:Stick shaker
3278:Stick pusher
3198:Dual control
3183:Centre stick
3050:Leading edge
3020:Flying wires
2980:Cabane strut
2907:
2892:
2877:
2855:
2847:
2832:
2810:
2794:
2793:Logan, Don.
2779:: ABC-CLIO.
2770:
2752:
2734:
2718:
2702:
2681:
2664:
2646:
2628:
2620:
2602:
2584:
2576:Bibliography
2565:
2560:
2551:
2537:
2521:
2513:
2508:
2496:. Retrieved
2492:
2483:
2471:. Retrieved
2457:
2445:. Retrieved
2437:Flightglobal
2436:
2426:
2412:
2400:. Retrieved
2386:
2377:1-44813793-4
2366:
2359:
2347:. Retrieved
2336:
2332:Белый лебедь
2324:
2315:
2306:
2298:
2290:
2282:
2274:
2265:
2239:. Retrieved
2225:
2217:
2202:
2193:
2184:
2176:
2171:
2162:
2153:
2145:
2114:
2105:
2097:
2093:
2086:
2078:
2070:
2050:
2046:
2039:
2030:
2021:
2013:
2005:
1997:
1992:
1984:
1980:
1972:
1968:
1959:
1950:27 September
1948:, retrieved
1939:Flightglobal
1937:
1927:
1911:
1906:
1897:
1888:
1879:
1870:
1861:
1852:
1843:
1834:
1825:
1816:
1807:
1797:
1788:
1767:
1758:
1749:
1740:
1731:
1723:
1709:
1683:
1671:
1662:
1653:
1636:
1617:
1611:
1590:
1568:23 September
1566:. Retrieved
1555:
1535:
1534:Lukins A H,
1530:
1521:
1512:
1478:
1465:
1446:Folding wing
1352:Designed by
1320:Designed by
1216:Sukhoi Su-24
808:
801:
778:
765:Obsolescence
735:blended wing
730:
728:
705:
688:
681:
661:West Germany
648:
599:
588:
570:
559:Sukhoi Su-17
551:landing gear
539:Soviet Union
536:
532:Sukhoi Su-24
521:Sukhoi Su-24
498:
494:afterburners
478:
443:Folland Gnat
431:
403:
383:blended wing
375:
361:L. E. Baynes
358:
339:
291:Nazi Germany
284:
272:
224:
220:oblique wing
217:
208:
200:
192:
188:
184:
169:
154:aerodynamics
122:
91:
75:
71:
69:
43:
3773:Tundra tire
3656:Intake ramp
3587:Transponder
3372:Gurney flap
3313:Aerodynamic
3228:Fly-by-wire
3110:Triple tail
2815:Air-Britain
2473:20 November
2447:20 November
2402:29 December
1690:, Espacenet
1678:, Espacenet
1507:Wood, 1975.
693:VFX project
669:Netherlands
615:interceptor
566:Sukhoi Su-7
452:ball screws
399:scale model
313:Development
285:During the
3890:Categories
3763:Oleo strut
3651:Inlet cone
3646:Gascolator
3612:Propulsion
3602:Yaw string
3597:Variometer
3453:instrument
3432:Wing fence
3367:Gouge flap
3342:Blown flap
3298:Yaw damper
3273:Stabilator
3258:Side-stick
3193:Dive brake
3080:Stabilizer
3055:Lift strut
3045:Jury strut
2761:1560918993
2241:22 January
1556:Wild Goose
1452:References
1287:Production
1260:Production
1232:Production
1204:Production
1176:Production
1148:Production
1119:Production
1091:Production
1007:Production
951:Production
797:delta wing
747:Sukhoi T-4
715:supersonic
711:B-1 Lancer
643:Tornado F3
563:swept wing
553:or stores
475:Production
414:John Stack
267:Robins AFB
148:, and the
110:delta wing
106:swept wing
102:supersonic
89:aircraft.
76:swing wing
3738:Autobrake
3666:NACA duct
3641:Fuel tank
3631:Drop tank
3614:controls,
3497:Astrodome
3487:Altimeter
3352:Dog-tooth
3317:high-lift
3268:Spoileron
3253:Servo tab
3233:Gust lock
3188:Deceleron
3173:Autopilot
3130:Wing root
3115:Twin tail
3100:Tailplane
3035:Hardpoint
3005:Empennage
2968:structure
2493:rostec.ru
1648:. p. 244.
1490:Citations
1407:Prototype
1391:NASA AD-1
1379:Prototype
1370:Propeller
1314:Prototype
1142:Multirole
979:Prototype
923:Prototype
890:Transport
867:Prototype
689:LTV V-507
627:Mirage F1
591:BAC TSR-2
395:V bombers
387:Australia
98:transonic
78:", is an
3706:Wet wing
3681:Throttle
3427:Vortilon
3288:Trim tab
3218:Flaperon
3208:Elevator
3163:Airbrake
3135:Wing tip
3060:Longeron
3030:Fuselage
2966:Airframe
2954:Aircraft
2467:Archived
2441:Archived
2396:Archived
2349:5 August
2343:Archived
2338:Lenta.ru
2235:Archived
2211:Archived
1944:archived
1717:Archived
1562:Archived
1420:See also
1401:Research
1340:Airliner
1308:Research
1057:Research
861:Research
851:Bell X-5
745:and the
707:Rockwell
625:and the
623:Mirage G
619:Dassault
547:wingspan
490:turbofan
468:trimming
450:-driven
350:Bell X-5
279:tailless
80:airplane
3716:Landing
3507:Compass
3455:systems
3447:Avionic
3437:Winglet
3320:devices
3263:Spoiler
3158:Aileron
3140:Wingbox
3065:Nacelle
3015:Fairing
2958:systems
1373:Private
1346:Project
1085:Fighter
1063:Project
1051:Germany
1035:Project
1029:Fighter
1001:Fighter
973:Fighter
917:Fighter
896:Project
845:Notes
827:Country
673:Belgium
537:In the
505:US Navy
460:elevons
437:joined
427:canards
379:Swallow
302:fighter
234:Origins
229:History
3451:flight
3412:Strake
3243:Rudder
3213:Elevon
3178:Canard
3120:V-tail
3095:T-tail
3025:Former
2985:Canopy
2914:
2899:
2884:
2866:
2839:
2821:
2801:
2783:
2759:
2741:
2725:
2710:
2689:
2671:
2653:
2635:
2609:
2591:
2529:
2374:
2094:Flight
2047:Flight
1918:
1644:
1624:
1281:Bomber
1254:Bomber
1226:Attack
1170:Bomber
1133:(MRCA)
1113:Attack
911:France
884:France
839:Status
811:PAK DA
791:, the
781:Boeing
739:Tu-144
677:Canada
675:, and
667:, the
611:strike
555:pylons
513:pylons
366:patent
364:filed
334:MIG-23
259:F-111E
162:camber
132:, and
3636:FADEC
3522:EICAS
3397:Slats
3238:HOTAS
3090:Strut
2621:Wings
2498:4 May
1457:Notes
1207:2,867
1122:1,075
1094:5,047
830:Class
665:Italy
543:TsAGI
244:F-111
166:chord
158:flaps
3718:and
3582:TCAS
3562:ISIS
3517:EFIS
3462:ACAS
3449:and
3402:Slot
3362:Flap
3315:and
3303:Yoke
3075:Spar
3000:Dope
2912:ISBN
2897:ISBN
2882:ISBN
2864:ISBN
2837:ISBN
2819:ISBN
2799:ISBN
2781:ISBN
2757:ISBN
2739:ISBN
2723:ISBN
2708:ISBN
2687:ISBN
2669:ISBN
2651:ISBN
2633:ISBN
2607:ISBN
2589:ISBN
2527:ISBN
2500:2023
2475:2015
2449:2015
2404:2018
2372:ISBN
2351:2009
2243:2009
2096:via
2049:via
1952:2014
1916:ISBN
1642:ISBN
1622:ISBN
1570:2018
1404:1979
1376:1931
1343:1957
1311:1950
1284:1981
1275:USSR
1257:1969
1248:USSR
1229:1970
1220:USSR
1201:1966
1192:USSR
1173:1974
1145:1974
1116:1970
1107:USSR
1088:1967
1079:USSR
1060:1945
1032:1962
1004:1970
976:1952
948:1964
920:1967
893:1968
864:1951
836:Date
833:Role
824:Type
793:2707
719:lift
519:and
488:and
418:NASA
410:NATO
381:, a
242:The
83:wing
50:Two
3557:INS
3537:GPS
3392:LEX
3070:Rib
1398:Jet
1395:USA
1337:Jet
1305:UAV
1278:Jet
1263:497
1251:Jet
1223:Jet
1195:Jet
1179:104
1167:Jet
1164:USA
1151:992
1139:Jet
1110:Jet
1082:Jet
1054:Jet
1026:Jet
1010:712
998:Jet
995:USA
970:Jet
967:USA
954:563
942:Jet
939:USA
914:Jet
887:Jet
858:Jet
855:USA
842:No.
785:FAA
446:by
408:of
299:jet
164:or
108:or
100:or
3892::
2860:MN
2817:.
2777:CA
2491:.
2439:.
2435:.
2251:^
2135:^
2123:^
2058:^
1936:,
1851:.
1806:.
1776:^
1695:^
1599:^
1578:^
1560:.
1543:^
1498:^
1367:UK
1364:IV
1334:UK
1324:.
1302:UK
1290:36
1023:UK
881:75
799:.
757:,
671:,
663:,
641:A
530:A
429:.
373:.
265:,
222:.
172:.
144:,
128:,
120:.
92:A
70:A
62:A
2946:e
2939:t
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1558:"
1410:1
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1066:0
1038:0
982:1
926:3
899:0
870:2
250:.
41:.
34:.
20:)
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