J-20 5th Gen Fighter Thread V

[Air Force Brat]

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New picts of J-20 with vortices.

Note in the top picture he has a little speed, and the vortex is very nice and tight, and streaming out behind the leading edge, as the pull-out develops, the vortex has loosened up and the vortex is wafting upward as the Angle of Attack increases, and the wing meets the "relative wind" at a steeper angle, prolly around 18-24 degrees, possibly a little more.

These vapor/vortex pictures are instructive, and in reality almost as good as wind tunnel pictures. Now we don't know the exact airspeeds, or G-loads, or angle of attack, but these pictures are a wealth of information about each of those aspects, and together, we can piece together some relevant performance data for the J-20!

 

[SinoSoldier]

The bae's got a bay!

 

[SinoSoldier]

A rumor is suggesting that the chief designer of the J-20, Mr. Yang Wei, has been dismissed from his post.

 

[Blitzo]

A rumor is suggesting that the chief designer of the J-20, Mr. Yang Wei, has been dismissed from his post.

Any suggestion of why, what context etc?

Being dismissed is different to being reassigned and in turn different to retiring... and which post is that exactly; director of 611?

 

[SinoSoldier]

Any suggestion of why, what context etc?

Being dismissed is different to being reassigned and in turn different to retiring... and which post is that exactly; director of 611?

That is literally all that the rumor entailed. If it is indeed authoritative, I would expect more information to be shed in the coming weeks.

 

[Blitzo]

That is literally all that the rumor entailed. If it is indeed authoritative, I would expect more information to be shed in the coming weeks.

mhm

at this stage I'd treat it with a degree of caution

 

[SinoSoldier]

mhm

at this stage I'd treat it with a degree of caution

I managed to find the original text that spurred the rumor:

杨伟被免职的消息传出后，中国互联网上已是骂声一片，众网友纷纷发声为杨伟叫屈。
此前，杨伟一直被中国官方冠以中国新一代歼击机电传飞控系统的组织者和开拓者。在
其支持下，填补了数字式电传飞行控制关键技术的中国国内空白。杨伟领衔确定了飞控
系统总体方案。中国大陆媒体曾报道称：“在某次飞控系统工程研制中，杨伟首次试飞
就直接采用静不安定技术，这在国际新机试飞史上是没有先例的。为确保万无一失，杨
伟在系统综合过程中深入一线，夜以继日，查找问题，分析原因，研究解决方案，进行
了3,000多飞行小时的地面系统综合试验和机上综合测试，保证了某重点型号飞机的首飞安全

Could somebody do a rough translation and see if any extraordinary information can be extracted?

 

[Blitzo]

I managed to find the original text that spurred the rumor:



Could somebody do a rough translation and see if any extraordinary information can be extracted?

Do you know where that text originally came from?

Doing a search of Yang Wei's name and a search of part of the text you mention does come up with a few reports supposedly of Yang Wei's dismissal but most of those reports are from Chinese language "news entities" that have an axe to grind with China, like Duowei/Mingjing, NTDTV etc...

Supposedly there are Chinese internet users criticizing the "dismissal" of Yang Wei, but where did the original news of the supposed dismissal come from, and which internet users or community has criticized the supposed dismissal? I imagine we would have noticed it on cjdby or fyjs or others if this were true. That said I haven't been there for a while, but I would like some other contextual information to support the claims made by this piece of news before seriously considering its veracity...

Especially seeing as how this news is seemingly arising from the standard anti China/anti CCP mouthpieces and news outlets.

 

[superdog]

Remember the last time Mr. Lin ZuoMing (director of AVIC) was rumored to be dismissed as well? Some even suggested that he was under investigation. It turns out he was just taking a sick leave, now half a year later he is still the director of AVIC, according to the AVIC website.

This time those anti-China media has already started to spread silly rumors that Yang was dismissed because the J-20 has serious problems. (e.g.

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Always take these 'news' with a grain of salt until official information is released from official channels.

 

[Blitzo]

Remember the last time Mr. Lin ZuoMing (director of AVIC) was rumored to be dismissed as well? Some even suggested that he was under investigation. It turns out he was just taking a sick leave, now half a year later he is still the director of AVIC, according to the AVIC website.

This time those anti-China media has already started to spread silly rumors that Yang was dismissed because the J-20 has serious problems. (e.g.

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)

Always take these 'news' with a grain of salt until official information is released from official channels.

That's exactly what this supposed Yang Wei dismissal made me think of. Immediately when Sinosoldier mentioned it I thought that it smelled a bit fishy (not Sinosoldier, but the rumour), so that immediately made me feel a bit skeptical and wonder if this "rumour" was even really a rumour.

A quick reverse search of some of the key phrases in that text Sinosoldier posted and a search of Yang Wei's name itself turned up with news reports mostly from anti China media... and the lack of any discussions about this on the credible Chinese language military forums is further making it seem like a dodgy claim.