Chengdu J-20 5th Generation Aircraft News & Discussions

[ChineseTiger1986]

Thanks for your detail explaination.

The difference between WS-10A and WS-10B is larger than what I thought, but reasonable.

It seems that 155KN WS-10G may not have the oppotunity to be installed in J-20, it has to compete with WS-15. Unless the current WS-10 in J-20 is a type "G"

I hope too, if the WS-15 can become mature soon, then the J-20 will not need the WS-10G anymore.

 

[Figaro]

I hope too, if the WS-15 can become mature soon, then the J-20 will not need the WS-10G anymore.

Respected member "Maya" (known for engine leaks) said back in 2008 that the WS-15 would take 10 years after the completion of high altitude core testing to be incorporated onto the J-20. So if things go according to plan, we should see the WS-15 in 2019.

The radar cross section (RCS) of J-20 at 10 GHz studied by the Taiwanese Institute NCSIST ESRD.

https://twitter.com/x/status/903536551858241536

Read Dr. Carlo Kopp's J-20 RCS analysis ... it's much more detailed and accurate

 

[ChineseTiger1986]

Respected member "Maya" (known for engine leaks) said back in 2008 that the WS-15 would take 10 years after the completion of high altitude core testing to be incorporated onto the J-20. So if things go according to plan, we should see the WS-15 in 2019.

Let's assume the maiden flight of the WS-15 is scheduled for 2018-2019, the contemporary deployed J-20A2 may start to equip with the "WS-10G".

 

[Figaro]

Let's assume the maiden flight of the WS-15 is scheduled for 2018-2019, the contemporary deployed J-20A2 may start to equip with the "WS-10G".

Indeed. The WS-15 will be incorporated into the J-20 by 2018-19, but mass production will only commence a couple years latter ... perhaps 2022. So for now, we should turn our attention to the current WS-10X that appeared yesterday. On a side note, Pupu notes that the revealed engine yesterday may be a WS-15 enclosed in a WS-10 shell. Very interesting rumor ...
回复@左手王ZSW:自然不会是真[坏笑]//@左手王ZSW:曾闻言歼20使用的WS-10改进型是ws15的芯套了个ws10的壳...不知道是真是假

 

[grey boy 2]

Awesome pic! Do you know when this was taken?

i've no clue, just posted what i saw LOL

Rumors that J-20 may has been chosen as the next generation carrier based fight jet J20舰载赢了？？？

 

[ChineseTiger1986]

Indeed. The WS-15 will be incorporated into the J-20 by 2018-19, but mass production will only commence a couple years latter ... perhaps 2022. So for now, we should turn our attention to the current WS-10X that appeared yesterday. On a side note, Pupu notes that the revealed engine yesterday may be a WS-15 enclosed in a WS-10 shell. Very interesting rumor ...
回复@左手王ZSW:自然不会是真[坏笑]//@左手王ZSW:曾闻言歼20使用的WS-10改进型是ws15的芯套了个ws10的壳...不知道是真是假

If he is making a sarcastic emoticon, then this means it is true.

Another big shrimp has also mentioned that, the J-20A will be powered by the WS-10X (or the de facto 155KN WS-10G) which is an engine that incorporates with the WS-15 technology. He didn't mention the AL-31F because the J-20A1 won't be mass produced.

All different big shrimps' leaks are starting to become convergent.

 

[Figaro]

If he is making a sarcastic emoticon, then this means it is true.

Another big shrimp has also mentioned that, the J-20A will be powered by the WS-10X (or the de facto 155KN WS-10G) which is an engine that incorporated with the WS-15 technology. He didn't mention the AL-31F because the J-20A1 won't be mass produced.

All different big shrimps' leaks are starting to become convergent.

Exactly. This new engine may be the WS-10B, WS-10G, WS-10IPE, or the new WS-15. Nobody knows for sure! Even Pupu is not 100% on the WS-10B designation ... but as we see more photos, we'll get confirmation. So the CCTV-4 documentaries were right! The J-20 is indeed now using domestic engines ...

 

[samsara]

Respected member "Maya" (known for engine leaks) said back in 2008 that the WS-15 would take 10 years after the completion of high altitude core testing to be incorporated onto the J-20. So if things go according to plan, we should see the WS-15 in 2019.


Read Dr. Carlo Kopp's J-20 RCS analysis ... it's much more detailed and accurate

Thanks for pointing to it, here's a related good read from the major think-tank CSIS's ChinaPower with reference to the Kopp's works.

Does China’s J-20 rival other stealth fighters? | ChinaPower Project
https://chinapower.csis.org/china-chengdu-j-20/

 

[Figaro]

Thanks for pointing to it, here's a related good read from the major think-tank CSIS's ChinaPower with reference to the Kopp's works.

Does China’s J-20 rival other stealth fighters? | ChinaPower Project
https://chinapower.csis.org/china-chengdu-j-20/

It's a very good summary; he places the J-20 RCS between the F-22 and F-35 (the last time I read this was back in 2011 LOL) ... he mentions the exact strong and weak points of the J-20. Superb analysis by a Western analyst ... perhaps one of the best I've ever seen. His exact analysis below .... and all of this just a couple months after J-20 was unveiled ...

http://www.ausairpower.net/APA-J-XX-Prototype.html

 

[Deino]

If he is making a sarcastic emoticon, then this means it is true.

Another big shrimp has also mentioned that, the J-20A will be powered by the WS-10X (or the de facto 155KN WS-10G) which is an engine that incorporates with the WS-15 technology. He didn't mention the AL-31F because the J-20A1 won't be mass produced.

All different big shrimps' leaks are starting to become convergent.

So theses first LRIP birds (aka Batch 00 if I'm not mistaken ?) are comparable to the Batch 01 J-11B, that also got the AL-31F as an interim and from Batch 02 they were powered by the WS-10A ? Or was it indeed the WS-10A that powers the J-11B?? I'm still a bit confused.

Deino

... So the CCTV-4 documentaries were right! The J-20 is indeed now using domestic engines ...

Sorry to nit-pick: The J-20 is indeed now using domestic engines since September 2017 !

 

[samsara]

Exactly. This new engine may be the WS-10B, WS-10G, WS-10IPE, or the new WS-15. Nobody knows for sure! Even Pupu is not 100% on the WS-10B designation ... but as we see more photos, we'll get confirmation. So the CCTV-4 documentaries were right! The J-20 is indeed now using domestic engines ...

Then in view of all these rumours on the engine things, a thick veil out of some revelations and indirect references, some of @Asoka own insistence may possibly carry its own weight, should not be outright ditched regardless the recent disclosure. Well, only time may possibly divulge at one or more fine day(s) {long} in the future if we all still remember to flash back to today's knowledge...

Just shouldn't assume too much... ha ha ha

 

[Figaro]

So theses first LRIP birds (aka Batch 00 if I'm not mistaken ?) are comparable to the Batch 01 J-11B, that also got the AL-31F as an interim and from Batch 02 they were powered by the WS-10A ? Or was it indeed the WS-10A that powers the J-11B?? I'm still a bit confused.

Deino




Sorry to nit-pick: The J-20 is indeed now using domestic engines since September 2017 !

We should give @Asoka more credit! He did say that the J-20 was using a domestic engine before most others (even if his WS-15 theory is quite fascinating). And how he stuck with conviction to the domestic engine theory is pretty great!

Then in view of all these rumours on the engine things, a thick veil out of some revelations and indirect references, some of @Asoka own insistence may possibly carry its own weight, should not be outright ditched regardless the recent disclosure. Well, only time may possibly divulge at one or more fine day [long] in the future if we all remember to flash back to today's knowledge...

Just shouldn't assume too much... ha ha ha

We should probably heed Asoka's words more then ...

@Deino, but what if this engine was already incorporated a month ago? Surely, this is a LRIP we don't know about ... so the CCTV documentary is technically correct? Unless the WS-10 was incorporated yesterday ...

 

[clarkgap]

If he is making a sarcastic emoticon, then this means it is true.

Another big shrimp has also mentioned that, the J-20A will be powered by the WS-10X (or the de facto 155KN WS-10G) which is an engine that incorporates with the WS-15 technology. He didn't mention the AL-31F because the J-20A1 won't be mass produced.

All different big shrimps' leaks are starting to become convergent.

PUPU got the information from yankeesama.

yankeesama:
没什么矢量，就是太行b13.5吨
至少比99m1稳定
pupu:
哦！原来如此。

So, it can not be WS-15. Also the impulsion is lower than 140 KN.

 

[Deino]

We should give @Asoka more credit! He did say that the J-20 was using a domestic engine before most others (even if his WS-15 theory is quite fascinating). And how he stuck with conviction to the domestic engine theory is pretty great!


We should probably heed Asoka's words more then ...

@Deino, but what if this engine was already incorporated a month ago? Surely, this is a LRIP we don't know about ... so the CCTV documentary is technically correct? Unless the WS-10 was incorporated yesterday ...

Come on ! He was fixed purely on his ridiculous WS-15 theory which is simply wrong. Period and nothing more to add.

And even if that bird was fitted with that engine since months, it was surely not flying so far, nor any of all other J-20s as stated. Also a fact.

Deino

 

[Figaro]

PUPU got the information from yankeesama.

yankeesama:
没什么矢量，就是太行b13.5吨
至少比99m1稳定
pupu:
哦！原来如此。

So, it can not be WS-15. Also the impulsion is lower than 140 KN.

Pupu gave a range of 132kN to 138kN, slightly lower than 140.