![]() With the un-reheated AM-5A engines, the SM-2 could not exceed the speed of sound in level flight, so reheated AM-5F engines were substituted. The first SM-2, the SM-2/1 was sent to the Letno-Issledovatel'skiy Institut (en:flight research institute) (LII) in April 1952 for testing, and was flown for the first time on, with test pilot G. Armament was two Nudelman N-37 37-mm cannon located in the leading edge of the aircraft's wings, near the wing roots - the guns had been moved compared to those in the MiG-15 and -17 to avoid ingestion of gun blast gases causing surging of the aircraft's engines. Its thin wings, which had been designed at TsAGI, the Soviet Central Aerohydrodynamic Institute, for supersonic flight were swept back at an angle of 55 degrees and had a single wing fence on each side. The SM-2 was a twin-engined, mid-winged aircraft. ![]() While the SM-1 was a test bed, the SM-2 (or I-360) was intended as the required supersonic escort fighter, with work authorised on 10 August 1951. While the SM-1 was a useful testbed, its performance was less than expected, and first resulted in an afterburner being designed for the AM-5, resulting in the AM-5F (reaching 26.45 kN (5,950 lbf) with reheat). As a test bed for the new engine, OKB-155 was authorised on 20 April 1951 to convert one of the prototype MiG-17s, replacing the single Klimov VK-1 engine with two 19.60 kN (4,410 lbf) AM-5s (later replaced by 21.08 kN (4,740 lbf) AM-5As), with the testbed, designated SM-1 (or I-340), flying late in 1951. MiG chose to use two of the new Mikulin AM-5 axial jet engines (a scaled-down version of the Mikulin AM-3 that powered the Tupolev Tu-16 bomber) for its new fighter. In 1950 the Mikoyan-Gurevich (MiG) design bureau (also known as OKB-155) began work on a new fighter aircraft, intended to have a greater range than the existing MiG-15 and MiG-17 aircraft, and capable of reaching supersonic speeds in level flight. This aircraft was originally used by the Soviet Union but it was later used by the People's Liberation Army Air Force. " Century Series" fighter was the North American F-100 Super Sabre, although the MiG-19 primarily fought against the more modern McDonnell Douglas F-4 Phantom II and Republic F-105 Thunderchief over North Vietnam. ![]() It was the first Soviet production aircraft capable of supersonic speeds in level flight. The Mikoyan-Gurevich MiG-19 ( Russian: Микоян и Гуревич МиГ-19 NATO reporting name: Farmer) is a Soviet second generation, single-seat, twinjet fighter aircraft, the world's first mass-produced supersonic aircraft. People's Liberation Army Air Force (historical)Ģ,172 (excluding production in Czechoslovakia and China)
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