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Daniel707

Junior Member
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I believe he is referring to this illustration.

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230641r38u3wf8n8pp3az0_zps0fx3yea8.jpg


Which appears to imply that WS-15 with thrust-vectoring nozzle has been tested on J-10B/C.

Several days ago, the 中南海保镖(A photographer who always stay around Chengdu Aircraft Industry Group) said "Chengdu is great!"

Then, an image poseted by
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(another photographer).
230641r38u3wf8n8pp3az0_zps0fx3yea8.jpg


The sentence means: "Brother's (J-20?) engine is so good."
Credit to : @clarkgap from Pakdef


What I get from this, we will see good news from Chengdu (CAC), but I still cannot conclude anything, maybe related to the new engine (WS-15?)
 

Blitzo

Lieutenant General
Staff member
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Several days ago, the 中南海保镖(A photographer who always stay around Chengdu Aircraft Industry Group) said "Chengdu is great!"

Then, an image poseted by
Please, Log in or Register to view URLs content!
(another photographer).
230641r38u3wf8n8pp3az0_zps0fx3yea8.jpg


The sentence means: "Brother's (J-20?) engine is so good."
Credit to : @clarkgap from Pakdef


What I get from this, we will see good news from Chengdu (CAC), but I still cannot conclude anything, maybe related to the new engine (WS-15?)

I suspect it is talking about the aircraft using the WS-10 variant that J-20 was first seen using a while back, the one with the serrated nozzle.
 

Totoro

Major
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In a way, a proper variant of ws10 for j10, good for plaaf usage, could be regarded as monumental achievement (kinda close to j20 unveilment if you're imaginative). Reason? It would enable j10 to be offered for export, free of any Russian strings. It would be first exporetable premium fighter for China. (Fc-1 being nor fully Chinese as pakistan gets part of the sale money, nor is it fully premium class- where the money is, nor is it fully free of possible Russian veto)
 

Jiang ZeminFanboy

Senior Member
Registered Member
So most likely it is ws10 variant, considering the report from
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and
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I have to say i am little dissapointed. Don't get me wrong it is a big news, but i would say it is not as important as appering of J20. "In a few days, we'll be ushering in a moment [of excitement] comparable to when the J-20 first appeared."

For me the comparable news would be e.g. H-20 or ws-15.
 

manqiangrexue

Brigadier
It seems no one has analyzed the text, which can be translated in 2 ways:

1. This huge chrysanthemum flower is really powerful.
2. The boss' chrysanthemum flower is really powerful.

FYI, chrysanthemum is slang for asshole, which is slang for engine LOL. Both translations seem to indicate WS-15. If translation 1 is accepted, then the indication that it is WS-15 would be that WS-15 is huge compared to WS-10 while WS-10X in any fashion shouldn't be significantly larger than the original WS-10. If translation 2 is accepted, then "the boss" should refer to J-20, thus, the J-10 would be saying that J-20's engine (WS-15) is really powerful.

That's all I can get from the picture, which would indicate WS-15 to me BUTTTTT it makes no logical sense to me at all why they would test WS-15 on a single-engined J-10!! The risk is enormous compared to the traditional route of first mounting as 1 of 4 engines on a large (IL-76) aircraft, then mounting it on a twin-engined test-bed like J-11 or even directly to a J-20 prototype frame. I don't see why they would mount it to a J-10 and from that logic, I would think that it is something like WS-10IPE or something.
 
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Blitzo

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In a way, a proper variant of ws10 for j10, good for plaaf usage, could be regarded as monumental achievement (kinda close to j20 unveilment if you're imaginative). Reason? It would enable j10 to be offered for export, free of any Russian strings. It would be first exporetable premium fighter for China. (Fc-1 being nor fully Chinese as pakistan gets part of the sale money, nor is it fully premium class- where the money is, nor is it fully free of possible Russian veto)

I mean, possibly, but we've had other events even earlier this year when J-20 was first equipped with a WS-10 variant which could also be considered similarly in that case, yet it was not described in such a manner.
This is also considering how we've had J-10B fly with a WS-10 variant before a few years back., and there is no reason to believe this particular airframe supposedly testing a new WS-10 variant is going to be anymore successful than the J-10B that flew with WS-10 a few years back

I think either angadow has a terrible sense of scale, or the two (his comment and the J-10 with WS-10) are not connected.... or of course that comment by angadow is just not true in the first place.
 

Blitzo

Lieutenant General
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It seems no one has analyzed the text. The translation can be interpreted in 2 ways:

1. This huge chrysanthemum flower is really powerful.
2. The boss' chrysanthemum flower is really powerful.

FYI, chrysanthemum is slang for asshole, which is slang for engine LOL. Both translations seem to indicate WS-15. If translation 1 is accepted, then the indication that it is WS-15 would be that WS-15 is huge compared to WS-10 while WS-10X in any fashion shouldn't be significantly larger than the original WS-10. If translation 2 is accepted, then "the boss" should refer to J-20, thus, the J-10 would be saying that J-20's engine (WS-15) is really powerful.

That's all I can get from the picture, which would indicate WS-15 to me BUTTTTT it makes no logical sense to me at all why they would test WS-15 on a single-engined J-10!! The risk is enormous compared to the traditional route of first mounting as 1 of 4 engines on a large (IL-76) aircraft, then mounting it on a twin-engined test-bed like J-11 or even directly to a J-20 prototype frame. I don't see why they would mount it to a J-10 and from that logic, I would think that it is something like WS-10IPE or something.

One reason I don't want to read too much into the text, is because it could mean anything. The artist might just be adding in exaggeration for the sake of it -- for example if that J-10 airframe was just using the same WS-10 variant that J-20 s/n 2021 was using, I wouldn't put it past an enthusiastic wall climber or even big shrimp to make it sound more impressive in a doodle.


That said, at this stage I think it is pretty clear that a J-10 has been testing a new engine recently on the ground.

The question we have should now be two part:
1: what engine is it?
2: is this J-10 with the engine test the "J-20 level new development" that angadow was talking about?
 

delft

Brigadier
H-20 prototype allegedly rolled off the assembly line in June 2017. A roll-out isn't something that should come as a surprise at this point.
Prototypes don't roll off assembly lines. Assembly lines or in China more likely batch production plants are set up when the prototype stage is about to be concluded.
 
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ougoah

Brigadier
Registered Member
It seems no one has analyzed the text, which can be translated in 2 ways:

1. This huge chrysanthemum flower is really powerful.
2. The boss' chrysanthemum flower is really powerful.

FYI, chrysanthemum is slang for asshole, which is slang for engine LOL. Both translations seem to indicate WS-15. If translation 1 is accepted, then the indication that it is WS-15 would be that WS-15 is huge compared to WS-10 while WS-10X in any fashion shouldn't be significantly larger than the original WS-10. If translation 2 is accepted, then "the boss" should refer to J-20, thus, the J-10 would be saying that J-20's engine (WS-15) is really powerful.

That's all I can get from the picture, which would indicate WS-15 to me BUTTTTT it makes no logical sense to me at all why they would test WS-15 on a single-engined J-10!! The risk is enormous compared to the traditional route of first mounting as 1 of 4 engines on a large (IL-76) aircraft, then mounting it on a twin-engined test-bed like J-11 or even directly to a J-20 prototype frame. I don't see why they would mount it to a J-10 and from that logic, I would think that it is something like WS-10IPE or something.

They may have already done those WS-15 tests on Il-76. It's possible they would one day test WS-15 on J-10 when WS-15 is ready. But i'm quite sure that day would come well after we see WS-15 on J-20. I think Bltizo is right in saying that they may have mounted the WS-10X variant we saw on J-20 onto the J-10.
 

ougoah

Brigadier
Registered Member
I suspect you'd have to essentially rebuilt a J-10 in order to fit a WS-15 (don't they have different dimensions?)

Depends on the engine dimensions. An engine we haven't seen yet. If J-20 designed to use WS-15 can fit WS-10 without major structural changes, WS-15 is unlikely to be much larger than WS-10. If J-10's Al-31s can fit into the existing frame with enough room to spare, maybe some future batches of J-10s can be built around the WS-15 without significant structural changes. F-16s, Su-27, F-18s have done this between earlier and later models so it's certainly far from impossible.
 
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