April.lyrics
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what is the engine of j-20
somebody says this one seems to be al-31 series.not confirmed。
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what is the engine of j-20
somebody says this one seems to be al-31 series.not confirmed。
pupu made a bet that the engine was WS-10, but he later posted a thread and admitted he lost. I think it's fairly safe to say AL-31 is used on the prototype at the moment.somebody says this one seems to be al-31 series.not confirmed。
pupu made a bet that the engine was WS-10, but he later posted a thread and admitted he lost. I think it's fairly safe to say AL-31 is used on the prototype at the moment.
From what I can gather so far:
#2001 - Basic flight control tests (2011)
#2002 - Ground static stress test (2011)
#2003 - Avionics + EODAS + Radar (2012, confirmed by huzhigeng)
#2004 - Weapons intergration (est 2014)
#2005 - Finalized pre-production protoype with WS-15 (est 2016)
Translate?
Nope, only avionics. The term he used was 全航电状态. WS-15 is not projected to enter trial anytime soon.The WS-15 engine (170kn) gonna be tested on J-20 by 2012 according to Huzhigeng.
Nobody knows what "exactly" is being tested on each flight so avionics testing guesstimates are mostly educated guesses. I would be wary of so-called insider claims when well over 99% of these are simply speculation. Concerning whether this is the final design, considering first flight was only 11 months ago and the engine currently used is a stopgap measure to expedite testing, I speculate final design won't be ready until at least 2014 at the earliest, probably later.Sorry I haven't been through the whole thread but, just wanted to know how many test beds have been made to test the avionics on the aircraft. Plus is this the final design or will there be any more changes??
Thanks in advance
J20 was being tested yesterday.
THX TO dj1023(飞扬)
pupu made a bet that the engine was WS-10, but he later posted a thread and admitted he lost. I think it's fairly safe to say AL-31 is used on the prototype at the moment.
From what I can gather so far:
#2001 - Basic flight control tests (2011)
#2002 - Ground static stress test (2011)
#2003 - Avionics + EODAS + Radar (2012, confirmed by huzhigeng)
#2004 - Weapons intergration (est 2014)
#2005 - Finalized pre-production protoype with WS-15 (est 2016)
Indeed, it all depends on how the progress on new engines is made so far. So the final design will be different. I also read that 606 institute of Shenyang is working on 2-D convergent-divergent vector nozzles. We will see.Nobody knows what "exactly" is being tested on each flight so avionics testing guesstimates are mostly educated guesses. I would be wary of so-called insider claims when well over 99% of these are simply speculation. Concerning whether this is the final design, considering first flight was only 11 months ago and the engine currently used is a stopgap measure to expedite testing, I speculate final design won't be ready until at least 2014 at the earliest, probably later.
There is a reason why: F-22.Indeed, it all depends on how the progress on new engines is made so far. So the final design will be different. I also read that 606 institute of Shenyang is working on 2-D convergent-divergent vector nozzles. We will see.
The 'clamshell bodies' are exactly what the F-22 has.Wind tunnel testing of a supersonic cruise nozzle in subsonic ejector configuration
The convergent-divergent geometry necessary for cruise efficiency, will separate when operated at the lower nozzle pressure ratios associated with take-off and initial climb, causing unacceptable noise levels. One proposed solution is to comprise the divergent geometry of two rotatable clamshell bodies.