China Flanker Thread II

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AeroEngineer

Junior Member
Re: J-11BS with WS-10A engine afterbuner

Hot bird, cool blue flames, and nice high resolution (2048 x 1373):
15820626397_0f4c4acf30_o.jpg



Picture like this makes me doubt J-20's engine is AL-31FM.

If WS-10 engine have blue flames as well, then there is a very high probability that J-20 is currently using WS-10 engine as well. Most likely an upgraded WS-10 engine !!

This might also explain why China do not buy Su-35, because they already have engine comparable to 117S, the only thing 117S has left is its TVC technology, which China do not have at the moment.

:D
 

Deino

Lieutenant General
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Re: J-11BS with WS-10A engine afterbuner

Picture like this makes me doubt J-20's engine is AL-31FM.

If WS-10 engine have blue flames as well, then there is a very high probability that J-20 is currently using WS-10 engine as well. Most likely an upgraded WS-10 engine !!

This might also explain why China do not buy Su-35, because they already have engine comparable to 117S, the only thing 117S has left is its TVC technology, which China do not have at the moment.

:D

NO ... The J-20 is powered by a Version of the AL-31FN; period !
 

latenlazy

Brigadier
Re: J-11BS with WS-10A engine afterbuner

Picture like this makes me doubt J-20's engine is AL-31FM.

If WS-10 engine have blue flames as well, then there is a very high probability that J-20 is currently using WS-10 engine as well. Most likely an upgraded WS-10 engine !!

This might also explain why China do not buy Su-35, because they already have engine comparable to 117S, the only thing 117S has left is its TVC technology, which China do not have at the moment.

:D
We didn't conclude they were Al-31s because of the flame color.
 

AeroEngineer

Junior Member
Re: J-11BS with WS-10A engine afterbuner

NO ... The J-20 is powered by a Version of the AL-31FN; period !

At this point !!

However, J-20 can use the WS-10 engine NOW !! Because WS-10 is as powerful and reliable:D as the AL-31FN already.

The pictures proved it !!

:D
 

Deino

Lieutenant General
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Re: J-11BS with WS-10A engine afterbuner

...

The pictures proved it !!

:D

Honestly, the picture proves only one thing: this is a WS-10A-powered J-11BS ! Nothing more.
Everything else is based on additional observations and clonslusions drawn spiced up with a lot of guesswork.

YES, the WS-10 seems to be reliable enough to power the Flanker-fleet, YES, it seems as if it has a slightly highrer thrust thanthe AL-31F and YES it seems as seen by the J-15 prototype as if they are interchangable ... but we've hared also some weaknesses of the TH, its spool-up time may not be as fine as the AL-31, its reliability might not be up to the same level ... maybe, maybe, maybe.

Therefore from all images and information we have it is safe to say the J-20 uses a version of the AL-31FN and that's a fact based on the number and dimensions of the pedals, the inner AB-structure, even the noise, but surely not on a blue flame. That in fact is more related to external factors and if You look closely to F100/F110-versions in F-16 and F-15 You can nearly fine every colour.

That in fact does not excludes the possibility to test the TH on the J-20 ... but simply WHY !??? right now the main goal should be to sum up as many flight hours with one engine, to tweek out all issues ... and only THEN to test it with another powerplant and since they need to repeat these tests in anyway with the later WS-15 I can't see any reason to tripple these test with yet a third engine.

Just my two cents.

Deino
 

Deino

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Seems as if production of both the J-11B and J-11BS are still running on high (?) level with now Block 6 for the B and Block 3 for the BS ... I would love to know to what units they - esp. the B - will go. :confused:

If I'm not completely wrong, then we saw aircraft 0601 in April .. so at least about 20 aircraft per year. But what was the last unit to get them ? The second PLANAF regiment !

Deino
 

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asif iqbal

Banned Idiot
There is 5 x PLAAF and 3 x PLANAF regiments for J11B correct?

Now this would add a 9th regiment of the total

A J11B/BS regiment has was it 24+4 aircraft so we are talking in excess of 500+ WS-10 engines now that impressive
 

tphuang

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There is 5 x PLAAF and 3 x PLANAF regiments for J11B correct?

Now this would add a 9th regiment of the total

A J11B/BS regiment has was it 24+4 aircraft so we are talking in excess of 500+ WS-10 engines now that impressive

Not exactly sure. A lot of J-11B could be to fill up existing regiments and J-11BS could be used in any of the new Flanker regiments. So, we are not sure exactly. Each regiment probably has 24 aircraft, but some like First division may have more (like 30+). Also, the first regiment was using only AL-31F, so that doesn't count toward Taihang total. At this point, they should be able to produce 100 Taihang a year with no problem i would imagine.
 
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