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The MiG-21 carries most of its fuel in the forward fuselage, causing the center of gravity to shift and become unstable after about 45 minutes of operation. The J-7 has redesigned fuel tanks and significantly larger drop tanks in order to maintain a more stable center of gravity, and therefore better Longitudinal static stability .
MiG-21-2000 for Myanmar: MiG-21-2000 At the 6th Aviation Expo China held in Beijing, Elbit offered China a further upgraded MiG-21 designated as MiG-21-2000 to upgrade Chinese J-7s. Unit price would start at 4 million US dollars and will decrease by half as more Chinese made components are used when Chinese aerospace industry got more involved ...
The FTC-2000 is developed from the JJ-7/FT-7, the two seat trainer version of the Chengdu J-7; the Chengdu J-7 is a Chinese variant of the MiG-21. The FTC-2000 uses a new wing, a forward fuselage with side air intakes, and a glass cockpit; the engine, empennage, and mechanical controls of the JJ-7/FT-7 are retained. [2]
The J-8 IV (also known as the J-8 IIA, and later as the J-8D) was a J-8 II with similar avionics to the J-8 IIB and the same detachable IFR probe as the J-8 III; the IFR probe was later modified because it generated noise in the cockpit. It first flew on 21 November 1990 and entered service in 1996; it was China's first IFR-capable fighter.
Short-range day fighter; the MiG-21F-13 was the first MiG-21 model to be produced in large numbers. Unlike the MiG-21F, the MiG-21F-13 had only one NR-30 cannon on the starboard side, with only 60 rounds; however, it added the capability to use the K-13 missile system, of which two could be carried on underwing hardpoints.
The Five Eyes Air Force Interoperability Council (AFIC) assigns [1] codenames for fighters and other military aircraft originating in, or operated by, the air forces of the former Warsaw Pact, including Russia, and the People's Republic of China.
The MiG-21 jet fighter was a continuation of Soviet jet fighters, starting with the subsonic MiG-15 and MiG-17, and the supersonic MiG-19.A number of experimental Mach 2 Soviet designs were based on nose intakes with either swept-back wings, such as the Sukhoi Su-7, or tailed deltas, of which the MiG-21 would be the most successful.
The MiG-21 was the most widely produced jet fighter in history. The Korean War of 1950–1953 forced a major reconsideration of aircraft design. Guns proved unsuitable at such high speeds, while the need for multirole capability in battlefield support was rediscovered.