MiG-15 "Fagot" @·AIRCRAFTUBE

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  • Mig-15bis - Kimpo AB Sept 1953 (defecting North Korean pilot) Mig-15bis - Kimpo AB Sept 1953 (defecting North Korean pilot)
    Mig-15bis - Kimpo AB Sept 1953 (defecting North Korean pilot)

Mikoyan-Gurevich MiG-15

The Mikoyan-Gurevich MiG-15 (NATO reporting name Fagot) was a jet fighter developed for the USSR by Artem Mikoyan and Mikhail Gurevich. The MiG-15 was one of the first successful swept-wing jet fighters, and it achieved fame in the skies over Korea, where it outclassed all enemy fighters except the F-86 Sabre. The MiG-15 also served as the starting point for development of the more advanced MiG-17 which would oppose American fighters over Vietnam in the 1960s. The MiG-15 is believed to have been the most numerous jet aircraft ever made, with over 12,000 built (and licensed foreign production perhaps raising this to over 18,000).

Most early jets were designed like piston-engined fighters with straight wings, limiting their high speed performance. German research during World War II had shown that swept wings would perform better at transonic speeds, and Soviet aircraft designers were quick to take advantage of this information. Claims that the successful Soviet piston-engined fighter designers Artem Mikoyan and Mikhail Gurevich (the lead designers of the "MiG" bureau) were heavily influenced by the Focke-Wulf Ta 183, however, have been discredited. Although the abortive late-war German jet had swept wings and bore a superficial resemblance to the later MiG-15, the two aircraft are very different in structure and general design. The Soviets did seize plans and prototypes for the Ta-183, but the majority of Focke-Wulf engineers were captured by Western armies. Currently, most sources acknowledge that the MiG-15 is an original design that benefited from German research, but was conceived, designed, engineered and produced by the Soviets.

By 1946, Soviet designers were finding it impossible to perfect the German-designed HeS-011 axial-flow jet engine, and new airframe designs from Mikoyan were threatening to outstrip development of the jet engines needed to power them. Soviet aviation minister Mikhail Khrunichev and aircraft designer Alexander Sergeyevich Yakovlev suggested to Joseph Stalin that the USSR buy advanced jet engines from the British. Stalin is said to have replied : "What fool will sell us his secrets?" However, he gave his assent to the proposal and Artem Mikoyan, engine designer Vladimir Klimov, and others traveled to the United Kingdom to request the engines. To Stalin's amazement, the British Labour government and its pro-Soviet Minister of Trade, Sir Stafford Cripps, were perfectly willing to provide technical information and a license to manufacture the Rolls-Royce Nene centrifugal-flow jet engine, a move which even Russian sources have mocked. This engine was reverse-engineered and produced as the Soviet Klimov RD-45 jet engine, subsequently incorporated into the MiG-15. (Rolls-Royce later attempted to claim £207 million in license fees, but without success.)

In the interim, on 15 April 1947, the Council of Ministers issued decree #493-192, which ordered the Mikoyan OKB to build two prototypes for a new jet fighter. As the decree called for a first flight as soon as December of that same year, the designers at OKB-155 fell back on an earlier troublesome design, the MiG-9. The MiG-9 suffered from an unreliable engine and control problems; the first would be solved by the excellent new Klimov engine, and to solve the second, the designers began experimenting with swept wings and also redesigned the tail unit. The resulting prototypes were designated I-310.

The I-310 was a clean, swept-wing fighter with wings and tail swept at a 35° angle. The I-310 had exceptional performance, with a top speed of over 650 mph (1,040 km/h). The I-310's primary competitor was the similar Lavochkin La-168. After evaluations, the MiG design was chosen for production. Designated MiG-15, the first production example flew on 31 December 1948. It entered Soviet Air Force service in 1949, and would subsequently receive the NATO reporting name "Fagot." Early production examples had a tendency to roll to the left or right due to manufacturing variances, and so aerodynamic trimmers called "nozhi (knives)" were fitted to correct the problem, the knives being adjusted by ground crews until the aircraft flew correctly.

An improved variant, the MiG-15bis, entered service in early 1950 with a Klimov VK-1 engine, an improved version of the RD-45/Nene, plus minor improvements and upgrades. (Visible differences are : a headlight in air intake separator and horizontal upper edge of air brakes in MiG-15).

The MiG-15 arguably had sufficient power to dive at supersonic speeds, but could not do so because it did not feature an "all-flying" tail. As a result, the pilot's ability to control the aircraft deteriorated significantly as Mach 1 was approached. Later MiGs would incorporate all-flying tails.

The MiG-15 was originally intended to intercept American bombers like the B-29, and was even evaluated in mock air-to-air combat trials with interned ex-US B-29 bombers as well as the later Soviet B-29 copy, the Tupolev Tu-4. To ensure the destruction of such large bombers, the MiG-15 carried heavy cannon armament : two 23 mm cannon with 80 rounds per gun and a single massive 37 mm cannon with 40 rounds. These weapons provided tremendous punch in the interceptor role, but their limited rate of fire and relatively low velocity made it more difficult to score hits against small and maneuverable enemy jet fighter aircraft in air-to-air combat. The 23 mm and 37 mm cannon also had radically different ballistic characteristics, and some United Nations pilots during the Korean War had the unnerving experience of having 23 mm shells pass over them while the 37 mm shells flew under them. The cannon were fitted into a neat pack that could be winched down out of the bottom of the nose for servicing and reloading, in principle allowing a preprepared pack to be switched in for rapid turnaround. (Some sources claim the pack was added in later MiG-15 production but it was fitted from the outset.)

A variety of MiG-15 variants were built, but the most common was the MiG-15UTI (NATO reporting name Midget) two-seat trainer. Because Mikoyan-Gurevich never mass-produced the transition training versions of the later MiG-17 or MiG-19, the MiG-15UTI remained the sole Warsaw Pact advanced jet trainer well into the 70s, the primary training role being fulfilled exclusively by Czechoslovak Aero L-29 Delfin and the L-39 Albatros jet trainers (save for Poland, which used their indigenous TS-11 Iskra jets). While China produced two-seat trainer versions of the later MiG-17 and MiG-19, the Soviets felt that the MiG-15UTI was sufficient for their needs and did not produce their own trainer versions of those aircraft.

Operational history

The MiG-15 was widely exported, with the People's Republic of China receiving MiG-15bis models in 1950. Chinese MiG-15s took part in the first jet-versus-jet dogfights after communist North Korea's invasion of South Korea. The swept-wing MiG-15 quickly proved superior to the first-generation, straight-wing jets of the United Nations air forces, such as theF-80 and Gloster Meteor, as well as piston-engined F-51 Mustangs and F4U Corsairs (although an AmericanF-80 would score the first all-jet, air-to-air kill in history over a MiG-15). Only the F-86 Sabre with its highly trained crews were a match for the MiG.

The F-86 was America's first swept-wing fighter and was introduced in December 1950. It essentially added new wings to the US Navy's FJ-1 Fury. Although the Sabre could not match the MiG-15 in some performance areas, superior tactics and pilot training allowed Sabre pilots to achieve high kill ratios against Chinese and North Korean pilots, while not being as successful against the better trained and experienced Soviet pilots. Eager to obtain an intact MiG for testing, the United States offered a reward of US$100,000 and political asylum to any pilot who would defect with his airplane. Eventually a North Korean pilot, Lieutenant No Kum-Sok, who claimed to be unaware of the reward, landed at Kimpo Air Base in September 1953, allowing the first detailed evaluation of the aircraft.

This MiG-15 was minutely inspected and was test flown by several test pilots including Chuck Yeager. Yeager reported in his autobiography that the MiG-15 had dangerous handling faults, and claimed that in a visit to the USSR, Soviet pilots were incredulous that he had dived in it, this supposedly being very hazardous. However, when this story got back to the Russian pilots that Yeager claimed to have talked to, they angrily denounced it as a lie. In fact, although the MiG-15 did have some handling quirks and, could, in principle, exceed flight limits in a dive, its airbrakes opened automatically at the redline limit, preventing it from going out of control. Lieutenant No's aircraft is now on display at the National Museum of the United States Air Force near Dayton, Ohio.

Throughout the 1950s, Soviet and Warsaw Pact MiG-15s intercepted USAF reconnaissance aircraft, shooting down several. MiG-15s of China's People's Liberation Army Air Force (PLAAF) frequently engaged Republic of China (ROC) and U.S. aircraft in combat, and in 1958, an ROC fighter achieved the first air-to-air kill with an AIM-9 Sidewinder air-to-air missile against a PLAAF MiG-15. The MiG-15 also served with the Arab air forces during the 1956 Suez Canal Crisis and the 1967 Six-Day War.

The MiG-15 achieved an air-to-air kill on 13 June 1952, but it remained a secret for many years. Its victim was a Swedish Air Force DC-3 signals reconnaissance aircraft flying over the Baltic Sea, which set off what has become known as the Catalina affair (after the shooting down of a Catalina flying boat sent out to search for the missing DC-3).

The famous Russian cosmonaut Yuri Gagarin died during a March 1968 training flight in a MiG-15UTI. Due to poor visibility and miscommunication with ground control, the plane flew into the ground.

Production

The USSR built around 12,000 MiG-15s in all variants. It was also built under license in Czechoslovakia (as the S-102 and S-103) and Poland (as the Lim-1 and Lim-2 and biplace SB Lim-1 and SB Lim-2).

In the early 50s, the Soviet Union delivered hundreds of MiG-15s to China, where they received the designation J-2. The Soviets also sent almost a thousand MiG-15 engineers and specialists to China, where they assisted China's Shenyang Airfact Factory in building the MiG-15UTI trainer (designated JJ-2). China never produced a single-seat fighter version of the J-2/MiG-15, only the two-seat trainer JJ-2/MiG-15UTI variant.

The designation "J-4" is unclear; some sources claim that Western observers mistakenly labelled China's MiG-15bis as the "J-4", while the People's Liberation Army Air Force (PLAAF) never used the "J-4" designation. Others claim that "J-4" is used for MiG-17F, while "J-5" is used for MiG-17PF. Another source claims the PLAAF used "J-4" for Soviet-built MiG-17A, which were quickly replaced by license-built MiG-17F / J-5. What is certain is that the service lives of the J-2 and J-4 in the PLAAF were short, as they were quickly replaced by the more capable J-5 and J-6.

Variants

  • I-310 : Prototype.
  • MiG-15 : Single-seat jet fighter. The first production version.
  • MiG-15P : Single-seat all-weather interceptor version of the MiG-15bis.
  • MiG-15SB : Single-seat fighter bomber version.
  • MiG-15SP-5 : Two-seat all-weather interceptor version of the MiG-15UTI.
  • MiG-15T : Target-towing version.
  • MiG-15bis : Improved single-seat fighter version.
  • MiG-15bisR : Single-seat reconnaissance version.
  • MiG-15bisS : Single-seat escort fighter version.
  • MiG-15bisT : Single-seat target-towing version.
  • MiG-15UTI : Two-seat dual-control jet trainer.
  • J-2 : Chinese designation of the MiG-15 single-seat fighter.
  • JJ-2 : Chinese designation of the MiG-15UTI two-seat jet trainer.
  • Lim-1 : MiG-15 jet fighters built under license in Poland.
  • Lim-1A : Polish-built reconnaissance version of the MiG-15 with AFA-21 camera.
  • Lim-2 : MiG-15bis built under license in Poland, with Lis-2 (license VK-1) engines.
  • Lim-2R : Polish-built reconnaissance version of MiG-15bis with a place for a camera in the front part of the canopy.
  • SB Lim-1 : Polish Lim-1 converted to equivalent of MiG-15UTI jet trainers, with RD-45 jet engines.
  • SB Lim-2 : Polish Lim-2 or SBLim-1 converted to jet trainers with Lis-1 (VK-1) jet engines.
  • SBLim-2A or -2Art : Polish-built two-seat reconnaissance version, for correcting artillery.
  • S-102 : MiG-15 jet fighters built under license in Czechoslovakia.
  • S-103 : MiG-15bis jet fighters built under license in Czechoslovakia.
  • CS-102 : MiG-15UTI jet trainers built under license in Czechoslovakia.

Operators

  • Afghanistan : 42, including 38 MiG-15UTI, were delivered to the Royal Afghan Air Force from 1951, serving through 1979.
  • Albania : 80 or more have served with the Albanian Air Force since 1955, including Soviet, Czech and Chinese-built examples. The initial allotment of 10 MiG-15 fighters delivered in 1955 was followed by 24 MiG-15UTI trainers from that year on. These were supplemented by Czech Avia CS-102 trainers, with four being acquired. Further fighter deliveries comprised 26 MiG-15bis examples. Once Albania switched to Chinese support, deliveries of 24 F-2 fighters and 15 FT-2 trainers commenced from 1965. These aircraft remained in service through the late 1990s.
  • Algeria.
  • Angola.
  • Bulgaria.
  • Burkina Faso.
  • Cambodia.
  • Republic of China.
  • Republic of the Congo.
  • Cuba.
  • Czechoslovakia.
  • East Germany.
  • Egypt.
  • Finland (Only operated the MiG-15UTI).
  • Guinea.
  • Guinea-Bissau.
  • Hungary.
  • Indonesia : Acquired its MiG-15s in 1961. Used MiG-15UTI and other MiG-15 as trainers during the preparation of Operation TRIKORA in 1962 in Western New Guinea (now Papua and Papua Barat). The aircraft were grounded in 1969 and removed from service in 1970.
  • Iraq.
  • Libya.
  • Madagascar.
  • Mali.
  • Mongolia.
  • Morocco.
  • Mozambique.
  • Nigeria.
  • North Korea.
  • North Vietnam.
  • North Yemen.
  • Pakistan.
  • Poland.
  • Romania : Operated a total of 514 MiG-15, MiG-15bis, MiG-15 UTI, S-102 and CS-102 from 1952 until 1992.
  • Somalia.
  • South Yemen.
  • Soviet Union.
  • Sri Lanka.
  • Sudan.
  • Syria.
  • Tanzania.
  • Uganda.
  • United States : In the 1980s, the United States purchased a number of Shenyang J-4 along with Shenyang J-5 from China via the Combat Core Certification Professionals Company; these aircraft were employed in a "mobile threat test" program at Kirtland Air Force Base, operated by the 4477th "Red Hats" Test and Evaluation Squadron of the United States Air Force.
  • Vietnam.
  • Yemen.

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This text is available under the Creative Commons Attribution-ShareAlike License
Source : Article Mikoyan-Gurevich MiG-15 of Wikipedia ( authors )

Mikoyan-Gurevich MiG-15

  • Role : Fighter aircraft.
  • National origin : Soviet Union.
  • Manufacturer : Mikoyan-Gurevich.
  • First flight : 30 December 1947.
  • Introduction : 1949.
  • Status : In limited service with the Korean People's Army Air Force.
  • Primary users :
    • Soviet Air Forces (historical).
    • People's Liberation Army Air Force (historical).
    • Korean People's Army Air Force.
  • Number built : 13,130 in the USSR + at least 4,180 under license.
  • Developed into : Mikoyan-Gurevich MiG-17.

    • Specifications (MiG-15bis)

  • Length : 10.11 m (or 33 ft 2 in).
  • Height : 3.70 m (or 12 ft 2 in).
  • Wingspan : 10.08 m (or 33 ft 1 in).
  • Wing area : 20.6 m² (or 221.74 ft²).
  • Wing loading : 240.8 kg/m² (or 49.3 lb/ft²).
  • Airfoil : TsAGI S-10 / TsAGI SR-3.
  • Empty weight : 3,580 kg (or 7,900 lb).
  • Loaded weight : 4,960 kg (or 10,935 lb).
  • Max takeoff weight : 6,105 kg (or 13,460 lb).
  • Fuel capacity : 1,400 L (or 364 US gal).
  • Maximum speed : 1,075 km/h (or 668 mph).
  • Cruise speed : 840 km/h (or 520 mph).
  • Range : 1,200 km, 1,975 km with external tanks (or 745 mi / 1,225 mi).
  • Service ceiling : 15,500 m (or 50,850 ft).
  • Rate of climb : 50 m/s (or 9,800 ft/min).
  • Powerplant : A Klimov VK-1 turbojet.
  • Thrust : 26.5 kN (or 5,950 lbf).
  • Thrust to weight ratio : 0.54.
  • Armament :
    • Two 23 mm Nudelman-Rikhter NR-23KM cannons (80 rounds per gun, 160 rounds total), and one 37 mm NL-37D cannon (40 rounds total).
    • Two 100 kg (or 220 lbs) bombs, drop tanks, or unguided rockets on underwing hardpoints.

— — — = = — — —

This text is available under the Creative Commons Attribution-ShareAlike License
Source : Article Mikoyan-Gurevich MiG-15 of Wikipedia ( authors )
Mikoyan-Gourevitch MiG-15 "Fagot" : Your comments on this subject
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