|This article needs additional citations for verification. (April 2010)|
|Type||National origin||Manufacturer||First run|| Major applications
|| Number built
Chinese media claims 266 engines were manufactured from 2010 to 2012 for the J-11 program.
The WS-10 was derived from the WS-6 turbofan, which was abandoned at the start of the 1980s. The WS-10 project was reportedly started by Deng Xiaoping in 1986 to produce an engine comparable to the AL-31. The work was given to the Shenyang Aeroengine Research Institute (606 Institute) of Aviation Industry Corporation of China (AVIC). The WS-10 may have been based on the core of the CFM-56II (itself based on the General Electric F101); China purchased two CFM-56II's int he 1980's.
The WS-10A, targeted for Script error: No such module "convert". of thrust, was already in development in 2002. In 2004, Russian sources familiar with project reported problems meeting the thrust target; in 2005, they reported problems reducing the weight of the primary and secondary compressors, in addition to problems meeting thrust requirements. Engine testing on the J-11 had already started by 2004, and testing using one engine on the J-11 may have occurred as early as 2002.
A full-scale WS-10A engine was first seen at the 2008 China International Aviation & Aerospace Exhibition.
In 2009, Western media reported that the WS-10A approached the performance of the Saturn AL-31, but took much longer than the AL-31 to develop thrust. Furthermore, reportedly the engine only generated Script error: No such module "convert". of thrust. In April 2009, Lin Zuoming, head of AVIC, reported that the engine's quality was unsatisfactory. In 2010, it was reported that reliability was also poor; the WS-10A lasted only 30 hours, while the AL-31 needed refurbishing after 400 hours. The quality problems encountered with the WS-10A reflected the state of the Chinese aerospace industry; AVIC initiated a general effort to improve quality control throughout its production chain in 2011.
The WS-10A reportedly matured enough after 2009 to power the J-11B Block 02 aircraft. A WS-10A-powered J-10B was seen in July 2011, but the engine did not power the initial J-10B production batch, possibly because of production or performance issues.
- WS-10A – improved variant; Script error: No such module "convert". of thrust
- WS-10G – thust vectoring variant for the J-20 fighter; Script error: No such module "convert". of thrust
- WS-20 – high-bypass derivative for the Y-20 transport; Script error: No such module "convert". of thrust
- Type: Afterburning turbofan
- Dry weight:
- Comparable engines
- Related development
- Related lists
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