J-21/J-31 Chinese 5th Generation Stealth Fighter

SexyChineseLady

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There is a confusion above with V1 & V2.:eric: Outside China very little info is available. Certain websites don't open in certain countries. Different sites state different info.
Some sites demand paid premium option for preliminary unconfirmed data.:bplease: :facepalm::daru::pound:
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The following website confidently links J-35 35003 (spotted in 2022) with WS-21/13E engine, maning WS-19 not tested yet on J-35.
(https://jetlinemarvel.net/china-dis...-stealth-fighter-with-a-new-jet-engine-ws-21/)
I don't know how famous & credible this website is.

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Although Russian MiG official said that on 31st Oct'2012, FC-31 V1 31001 used RD-93.
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another website says that on 1st July 2016, FC-31 V1 31001/PT-01 used 2 different engines together -
RD-33 + WS-13E/21. So RD-93 used for 1st flight was replaced with RD-33??? :doh::frusty: :shock:
(https://inf.news/en/military/c4ef2d0ea68f1181c22ed294919a2d84.html)
So FC-31 V2 31003 may have also used the above combo or both WS-13E/21, not WS-13.
View attachment 258199
So photograph says RD-33 & Russian MiG official says RD-93, who is right? :rage:

Now the timeline looks like following -
31 Oct 2012 - FC-31 V1, black, 31001, both RD-93 engines.
1st July 2016 - FC-31 V1, black, 31001, RD-33 :shock: + WS-13E/21 engine.
December 2016 - FC-31 V2, yellow-green, 31003, [{(RD-33 or RD-93)+WS-21/13E} OR both WS-21/13E engine].:crying:
29 Oct 2021 - J-35, green, 35001, either [{(RD-33 or RD-93)+WS-21/13E} OR both WS-21/13E engine].:crying:
2022 - J-35, grey, 35003, assuming both WS-21/13E engine.
2024 - J-35, grey, 3505, assuming {both WS-21/13E or (WS-19 + WS-21/13E)} engine.
2024 - J-31 rumored, grey, no data yet for engines.

Do you wan't to make any corrections? :fyeah:
The only RD-33 version imported by China is the RD-93. During testing of the WS-13, they made use of the twin-engine capability of the FC-1 for safety. This is the same as when China used the J-11 in testing the WS-10 -- AL-31 in one nacelle, WS-10 on the other. I think they made a mistake in saying RD-33. Both JF-17/FC-1 and FC-31 families use the RD-93 exclusively.

V2 used the WS-13E. The WS-21 has been mentioned with the J-35 only. Actually this was a complete surprise when official statements called the engine the WS-21.
 

Bhartiya Sainik

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The only RD-33 version imported by China is the RD-93. During testing of the WS-13, they made use of the twin-engine capability of the FC-1 for safety. This is the same as when China used the J-11 in testing the WS-10 -- AL-31 in one nacelle, WS-10 on the other. I think they made a mistake in saying RD-33. Both JF-17/FC-1 and FC-31 families use the RD-93 exclusively.
Thanks for the clarification.

V2 used the WS-13E. The WS-21 has been mentioned with the J-35 only. Actually this was a complete surprise when official statements called the engine the WS-21.
It WAS a surprise, but now everyone knows that WS-13E was renamed WS-21 to pay tribute to WS-12. Also, when FC-31 prototype has progressed towards production J-35 then people have got one more reason to call WS-13E as WS-21. Both the engine & airframe sound new.
I'm still writing it as 13E/21 or 21/13E so that other members don't confuse.

Now does the following timeline looks fine? Use of WS-19 on J-35 will need more confirmation.
31 Oct 2012 - FC-31 V1, black, 31001, both RD-93 engines.
2016 - FC-31 V1, black, 31001, RD-93 + WS-13E/21 engine.
2016 - FC-31 V2, yellow-green, 31003, both WS-21/13E] engine.
2021 - J-35, green, 35001, both WS-21/13E engine.
2022 - J-35, grey, 35003, both WS-21/13E engine.
2024 - J-35, grey, 3505, both WS-21/13E or both WS-19 engine or (WS-21/13E + WS-19).
2024 - J-31 rumored, grey, no data for engines.
 

SexyChineseLady

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Thanks for the clarification.


It WAS a surprise, but now everyone knows that WS-13E was renamed WS-21 to pay tribute to WS-12. Also, when FC-31 prototype has progressed towards production J-35 then people have got one more reason to call WS-13E as WS-21. Both the engine & airframe sound new.
I'm still writing it as 13E/21 or 21/13E so that other members don't confuse.

Now does the following timeline looks fine? Use of WS-19 on J-35 will need more confirmation.
31 Oct 2012 - FC-31 V1, black, 31001, both RD-93 engines.
2016 - FC-31 V1, black, 31001, RD-93 + WS-13E/21 engine.
2016 - FC-31 V2, yellow-green, 31003, both WS-21/13E] engine.
2021 - J-35, green, 35001, both WS-21/13E engine.
2022 - J-35, grey, 35003, both WS-21/13E engine.
2024 - J-35, grey, 3505, both WS-21/13E or both WS-19 engine or (WS-21/13E + WS-19).
2024 - J-31 rumored, grey, no data for engines.
The WS-19 would be in testing so more probable that the first flight in 2023 (if confirmed) was on the FC-31 V2. This is the de facto flying testbed for FC-31 family.

IMG_3475.jpeg


All of the current J-35 prototypes would use WS-21 since that is the interim engine to be used in the initial production run. When we see the WS-19 on the J35, it should be a different J-35 variant in the future.
 

Bhartiya Sainik

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The WS-19 would be in testing so more probable that the first flight in 2023 (if confirmed) was on the FC-31 V2. This is the de facto flying testbed for FC-31 family.

View attachment 258261

All of the current J-35 prototypes would use WS-21 since that is the interim engine to be used in the initial production run. When we see the WS-19 on the J35, it should be a different J-35 variant in the future.
Unnown aircraft :cool1:
When news channels are also not allowed to talk about it then public speculations start looking like
algebra & logical expressions: [{(RD-33 or RD-93)+WS-21/13E} OR both WS-21/13E engine]. :pound::laugh::rofl:
 

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