XXJ (J-14???)

gariwulf | 2009-04-21 09:30:04

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First disclosed by US Office of Naval Intellegence (ONI) in 1997 as XXJ, J-14 is a 4th generation fighter to enter the service around 2015. Since 90s both CAC/611 Institute and SAC/601 Institute had been working their own designs for a twin-engine multi-role fighter with enhanced stealth capability and maneuverability comparable to American F-22. It was speculated that 601 Institute was working on a design based on conventional layout while 611 Institute was working on a design based on canard/tailless delta wing plus belly air intake layout. All designs were expected to feature an internal weapon bay to reduce RCS. It was also rumored that J-14 could be powered by two 8,500kg/WS-13 class "medium thrust" turbofan engines with trust-vectoring nozzles to fullfill its high maneuverability requirement. A prototype of the trust-vectoring nozzle was displayed at 2002 Zhuhai Airshow by China Aeronautical Establishment/606 Institute in 2000. Consequently J-14 would have a 10t empty weight and a 15t normal TO weight, making it a medium weight fighter. Or J-14 could be powered by more powerful 13,200kg/WS-10 class "high thrust" turbofan engines with TVC nozzles which would result in a normal TO weight exceeding 20t, making it a heavy weight fighter. Whatever design J-14 will incoporate an advanced FBW system based upon the Active Control Technology developed by 601 Institute and tested on its J-8IIACT technology demonstrator. Its fire-control radar could be AESA (Type 1475/KLJ5?). Russian assistance in this project has been anticipated too in terms of softwore support for calculating the RCS of various designs. The overall performance of J-14 is thought to be superior to EF-2000 and Rafale (stealth & agility) but still inferior to F-22 (electronics & supercruise). It was reported in November 2006 that T/W=10 class turbofan (WS-15/"large thrust") is being developed for J-14. The latest news (August 2008) suggested the 611 Institute was selected to be the main contractor for the development of J-14.

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