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{{Short description|Chinese cancelled jet fighter project}}
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  |name= J-13
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}}{{Infobox Aircraft Type
  |type=[[Air superiority fighter]]
  |national origin =[[China]] 
  |manufacturer =[[Shenyang Aircraft Corporation]]
  |first flight=
  |designer=[[Shenyang Aircraft Design Institute]]
  |introduced=
  |retired=
  |status=Project cancelled
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The '''Shenyang J-13''' (Chinese: 歼-13; traditional: 殲-13) was a long-running [[People's Republic of China|Chinese]] project by [[Shenyang Aircraft Corporation]] to develop a light-weight, single engine [[fighter aircraft]], which was ultimately cancelled.<ref name="Globalsecurity.org">{{cite web | url=http://www.globalsecurity.org/military/world/china/j-13.htm | title=J-13 (Jianjiji-13 Fighter aircraft 13) / F-13 | publisher=Globalsecurity.org | author= John Pike | date=2006-07-17 | access-date=2008-10-12}}</ref>

==Development==
As early as 1971, Shenyang Aircraft Corporation's [[Shenyang Aircraft Design Institute|601 Institute]] had been designing a replacement for the [[People's Liberation Army Air Force]]'s (PLAAF) aging fleet of [[Shenyang J-6]] fighter jets (the Shenyang J-6 was a copy of the [[Soviet Union|Soviet]] [[Mikoyan-Gurevich MiG-19]] 'Farmer'). By 1973 airframes were being tested for their aerodynamic configuration through a [[wind tunnel]]. In 1974, the PLAAF formally proposed the development of a replacement for the Shenyang J-6 for the 1980s by a light-weight air-superiority fighter aircraft capable of achieving speeds of up to Mach 2.0. In the same year, testing was done on twenty different wing configurations. In 1976, testing on the material and the selection of electronics and avionic equipment to be used for the airframe were undertaken. Seven different airframes were tested in total. As progress on the airframe continued, a constant problem that had arisen in similar Chinese fighter aircraft projects, such as the [[Chengdu J-9]] and [[Nanchang J-12]], met the J-6 replacement project; the lack of viable, high-performance engine. Initially planning to use the WS-9 [[Turbofan|turbofan engine]] (a copy of the [[United Kingdom|British]] [[Rolls-Royce Spey|Rolls-Royce Spey Mk. 202]] engine), setbacks in its development led to initial testing with the WS-6 turbofan engine (which was capable of providing 12,200&nbsp;kg of thrust). The WS-9 (9,300&nbsp;kg of thrust) was finally completed by 1980 but would prove to be unable to properly power a single-engine fighter and would later go on to power the twin-engine [[Xian JH-7]] [[fighter-bomber]]. In August 1978, an [[Egypt]]ian [[Mikoyan-Gurevich MiG-23|Mikoyan-Gurevich MiG-23MS]] 'Flogger-E' was sent to the 601 Institute and by March 1979 an order to reverse engineer the MiG-23's [[Tumansky R-29]] [[Turbojet|turbojet engine]] was placed for use by the project, which by the late 1970s had finalised its design and officially been allocated the designation '''J-13'''. The Chinese R-29 copy, called the 'WP-15' (capable of 12,500&nbsp;kg of wet thrust), like the earlier WS-6 engine, proved to be underwhelming. Delays caused by engine problems, and the success of Shenyang's redesigned [[Shenyang J-8|Shenyang J-8II]] caused funding to be severely cut by 1981. The project was technically not cancelled outright though but placed on low-priority. A new list of operational requirements for the J-13 were set in the late 1980s. These requirements were, for the J-13 be able to combat other, newly introduced fighters such as the [[Mikoyan MiG-29]] and [[F-16 Fighting Falcon]]. The project was eventually abandoned in the early 1990s due to the success of [[Chengdu Aircraft Industry Group]]'s [[Chengdu J-10]] project.<ref name="China-Defense.com">{{cite web | url=http://www.china-defense.com/aviation/chinese_fighter_development/chinese_fighter_development-6.html | title=Chinese Fighter Development | publisher=China-Defense.com | author= Jack Collins | year=2002 | access-date=2008-10-12}}</ref> From the various aerodynamic tests on the seven different airframes, one airframe in particular the '''J-13V''' was later incorporated into the further development of [[Chengdu Aircraft Industry Group|Chengdu]]'s J-10 project.<ref name="Sina.com">{{cite web | url=http://mil.news.sina.com.cn/p/2008-08-08/0732515426.html | script-title=zh:1976年歼13战机项目获得批准正式开始研制 | publisher=航空世界 | author= 航空世界 'Aviation World Magazine' | language= zh | date=2008-08-08 | access-date=2008-12-17}}</ref>

==Design==

The J-13 was to be a single-engine, single-seat, light-weight, indigenously developed, air-superiority fighter. The J-13's finalised design  was a cantilever winged fighter with fuselage side-mounted air intakes. The airframe was designed for high speed and high-altitude interception with limited secondary air-to-ground capabilities, the J-13 possessed a service ceiling of over 19,000 metres, a maximum speed of Mach 2.45 and a climb rate of 254&nbsp;m/s (50,000&nbsp;ft/min). The maximum range has been stated to be 2340&nbsp;km and a maximum overload of +9Gs. Although never armed, the finalised design briefly outlined provisions for a cannon and at least two wingtip-mounted, [[PL-5]] missiles.<ref name="Afwing.com">{{cite web | url=http://www.afwing.com/intro/j13.htm | script-title=zh:歼击-13 型飞机 | publisher=Afwing.com | language=zh | access-date=2008-10-12}}</ref>

==Specifications==
{{Aircraft specs
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|eng1 number=1
|eng1 name=[[Woshan WS-6]] or [[WP-15]]
|eng1 type=[[afterburning]] [[turbofan]]
|eng1 lbf=8300
|eng1 lbf-ab=12500
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|max speed mach=2.45
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|combat range km=2340
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|ceiling m=19000
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|climb rate ms=260
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|thrust/weight=1.07

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==See also==
{{aircontent|
|see also=
*[[People's Liberation Army Air Force]]
*[[List of Chinese aircraft engines]]
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==References==
{{reflist}}

==External links==
{{commons category inline}}

{{Chinese Military Aircraft}}
{{PRC fighters}}

[[Category:Abandoned military aircraft projects of China]]
[[Category:Shenyang aircraft|J-13]]
[[Category:Mid-wing aircraft]]
[[Category:Single-engined jet aircraft]]
[[Category:Aircraft with retractable tricycle landing gear]]
[[Category:Fourth-generation jet fighters]]