page_title: Mikoyan-Gurevich MiG-17
section_title: Design and development
hierarchical_section_title: Mikoyan-Gurevich MiG-17 / Design and development
caption_attribution_description: English: MiG 17A at the Mighty Eighth Air Force Museum near Savannah, Georgia
context_page_description: The Mikoyan-Gurevich MiG-17 is a high-subsonic fighter aircraft produced in the USSR from 1952 and operated by numerous air forces in many variants. It is an advanced development of the similar looking MiG-15 of the Korean War. The MiG-17 was license-built in China as the Shenyang J-5 and Poland as the PZL-Mielec Lim-6.
  MiG-17s first saw combat in 1958 in the Second Taiwan Strait Crisis and later proved to be an effective threat against more modern supersonic fighters of the United States in the Vietnam War. It was also briefly known as the Type 38 by U.S. Air Force designation prior to the development of NATO codes.
context_section_description: While the MiG-15bis introduced swept wings to air combat over Korea, the Mikoyan-Gurevich design bureau had already begun work on its replacement in 1949 (originally the MiG-15bis45) in order to fix any problems found with the MiG-15 in combat. The result was one of the most successful transonic fighters introduced before the advent of true supersonic types such as the Mikoyan-Gurevich MiG-19 and North American F-100 Super Sabre. The design would ultimately still prove effective into the 1960s when pressed into subsonic dogfights over Vietnam against much faster planes which were not optimized for maneuvering in such slower speed, short-range engagements.
  While the MiG-15 used a Mach sensor to deploy airbrakes because it could not safely exceed Mach 0.92, the MiG-17 was designed to be controllable at higher Mach numbers. Early versions which retained the original Soviet copy of the Rolls-Royce Nene VK-1 engine were heavier with equal thrust. Later MiG-17s would be the first Soviet fighter application of an afterburner which offered increased thrust on demand by dumping fuel in the exhaust of the basic engine.
  Though the MiG-17 still strongly resembles its forebear, it had an entirely new thinner and more highly swept wing and tailplane for speeds approaching Mach 1. While the F-86 introduced the "all-flying" tailplane  which helped controllability near the speed of sound, this would not be adopted on MiGs until the fully supersonic MiG-19. The wing had a "sickle sweep" compound shape with a 45° angle like the U.S. F-100 Super Sabre near the fuselage (and tailplane), and a 42° angle for the outboard part of the wings. The stiffer wing resisted the tendency to bend its wingtips and lose aerodynamic symmetry unexpectedly at high speeds and wing loads.
  Other easily visible differences to its predecessor were the addition of a third wing fence on each wing, the addition of a ventral fin and a longer and less tapered rear fuselage that added about one meter in length. The MiG-17 shared the same Klimov VK-1 engine, and much of the rest of its construction such as the forward fuselage, landing gear and gun installation was carried over. The first prototype, designated I-330 "SI" by the construction bureau, was flown on the 14 January 1950, piloted by Ivan Ivashchenko.
  In the midst of testing, pilot Ivan Ivashchenko was killed when his aircraft developed flutter which tore off his horizontal tail, causing a spin and crash on 17 March 1950. Lack of wing stiffness also resulted in aileron reversal which was discovered and fixed. Construction and tests of additional prototypes "SI-2" and experimental series aircraft "SI-02" and "SI-01" in 1951, were generally successful. On 1 September 1951, the aircraft was accepted for production, and formally given its own MiG-17 designation after so many changes from the original MiG-15. It was estimated that with the same engine as the MiG-15's, the MiG-17's maximum speed is higher by 40–50 km/h, and the fighter has greater manoeuvrability at high altitude.
  Serial production started in August 1951, but large quantity production was delayed in favor of producing more MiG-15s so it was never introduced in the Korean War. It did not enter service until October 1952, when the MiG-19 was almost ready to be flight tested. During production, the aircraft was improved and modified several times. The basic MiG-17 was a general-purpose day fighter, armed with three cannons, one Nudelman N-37 37mm cannon and two 23mm with 80 rounds per gun, 160 rounds total.  It could also act as a fighter-bomber, but its bombload was considered light relative to other aircraft of the time, and it usually carried additional fuel tanks instead of bombs.
  Although a canopy which provided clear vision to the rear necessary for dogfighting like the F-86 was designed, production MiG-17Fs got a cheaper rear-view periscope which would still appear on Soviet fighters as late as the MiG-23. By 1953, pilots got safer ejection seats with protective face curtain and leg restraints like the Martin-Baker seats in the west. The MiG-15 ha
caption: A North Vietnamese MiG-17 on display at the Mighty Eighth Air Force Museum.
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