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Chengdu J-20 5th Generation Aircraft News & Discussions

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A new J11B that has the similiar nozzle pedals like J20. @Deino

Not really ... the colour is the same or similar but this is a WS-10A used by a J-11BS operated by the 89. Brigade assigned to Dalian Base. If it would be a larger close-up image however it would reveal the same detail and differences as I explained in a previous post.

Anyway thanks a lot, since that specific bird numbered "70300" is new to my collection.


Deino
 
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Has anyone any info on this one ?

.... found at the SDF posted by JayBird....

A short article translation from ifeng. There is a video with the linked post.
歼-20曾现翼尖擦地险情 歼-31错失展示机会_凤凰军事
Chengdu Aircraft Institute flight control system expert Li Jianping revealed for the first time that one of the prototype J-20's wing tip slightly grazed the ground during landing process. (he didn't say when or which J-20 airframe specifically) He says it was a little scary but the jet landed successfully. The cause was due to a relatively rare phenomenon called pilot-induced oscillation or aircraft-pilot coupling, and they've since came up with several new innovative optimization measures to greatly eliminates the risk of future flights.( Is that the reason why we don't see 2016? )
The article also mention the other Chinese stealth fighter(J-31) had some problem with landing takeoff and resulting in missed opportunities to demonstrate in front of the top leader of the People's Liberation Army. And military experts noted that pilot-induced oscillation is the invisible killer for modern aircraft and the main reason for the landing accidents other than mechanical malfunctions. Both prototype of JAS-39 and F-22 crash were due to pilot-induced oscillation.

Deino
 
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Just a small info regarding J-20 & WS-10 !! ... and it seems as if there's some progress with the WS-15.

中国航空学会的“冯如科技精英奖”是我国航空科技领域的重要奖项之一。近日,该学会网站公示了第三届冯如奖的提名名单以及候选人的重大成就,透露了我国航空科技界在一些前沿性、开拓性领域的新成就。

在候选人的资料中,关于中国燃气涡轮研究院总设计师、国家多项重点型号发动机和重大科研项目总设计师及主要技术负责人黄维娜的成就描述中,提到了黄维娜为国家多项重点型号研制、重大基础研究和预先研究、新型航空发动机设计研发、发动机型号批生产,以及军方重大技术保障任务等做出了杰出贡献。

众所周知,目前国产隐形战斗机歼-20使用的是俄罗斯AL-31F发动机的改进型号,这款发动机并不能完全满足歼-20的发展需要,在苏-35使用的117S发动机短期内进入中国无望的情况下,国产涡扇-15发动机才是歼-20的最好选择,而涡扇-15便是由燃气涡轮研究院负责研制的。此前曾有媒体透露,首台涡扇-15发动机的整机在2013年就已经进行了试车,综合以上消息表明,黄维娜负责的涡扇-15发动机显然已经取得了相当大的进展,否则不可能以其作为评价依据。
有军事观察员分析,如果涡扇-15这款全新发动机的研制比较顺利的话,其从台架试车到真正装上歼-20战斗机,中间依然还有很远的路要走。但若是涡扇-15的研发进度在后期没有难以逾越的困难,那么其有望于2020年左右装备在歼-20上进行飞行测试。

官媒曝歼-20国产发动机进展 疑涡扇-15已试车-凤凰新闻


Interesting part @ BEAST !

As everyone knows, the Chinese stealth fighter jet, is used by Russia improved model AL-31F engine, this engine does not completely meet the development needs of the fighter jet, the 117S engines used in the Su-35 entered China in the short term a hopeless case, domestic f- -20 turbofan-engine 15 is the best choice, turbofan gas turbine Institute-15 is responsible for development.

Deino
 
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