J-20... The New Generation Fighter

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jantxv

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The UK Telegraph had a bit of a write up about this aircraft that seems to put things in a different perspective.

Douglas Barrie, an aerospace expert at the International Institute of Strategic Studies, noted that the J20's airframe resembled that of an abandoned Russian prototype, the MiG 1.42.

"I'm not sure that its even much of an impressive airframe," said Richard Aboulafia, another analyst. "It looks like something that might have been designed in 1985."

For the most part, China's combat aircraft programme has lagged behind its competitors in the west and Russia.

China's fourth-generation combat jet, the J-10, appeared in 2006 – but experts say it compares with western aircraft that went into production two decades ago. Beijing has also struggled to develop the Shenyang J-15 carrier-borne jet, reverse-engineered from the Russian-made Sukhoi 33.

China's fifth-generation fighter programme, experts say, faces several critical challenges as it moves forward from prototype stage to actual production.

For example, Chinese avionics – the software-controlled electronic systems which gave modern combat jets their cutting-edge mission capabilities – are believed to be a generation behind their US, European, Israeli and Russian counterparts.

It is also unclear what kind of engine the new Chinese jet will use. Some commentators have suggested that a new prototype engine, the WS 15, will power the J20. The engine, however, is some years away from going into production – and potential foreign suppliers will be cautious about supplying equipment, because of fears over cloning.

Last summer, Russia threatened to cut off supplies of jet engines for China's JF-17, saying it had been cloned from its Sukhoi 27/30 and MiG 29 aircraft – and was being sold for $10 million less than the original.

Illya Kramnik, a Russian expert, said that "despite the strides made by China's aircraft designers in the last 20 years, China has only slightly narrowed the technological gap dividing it from the global leaders."
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siegecrossbow

siegecrossbow

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jantxv said:
The UK Telegraph had a bit of a write up about this aircraft that seems to put things in a different perspective.



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JF-17 cloned from MIG-29 lol.

The so called experts don't know what they are talking about, since the design for the F-22 is also about 25 years old.
 
C

Centrist

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Wait a min guys, there are a ton of photos showing the silvery/white engines of the WS10 on the 2001 prototype. I am dumbfounded...there is no way that they switched the engines out that fast....or can they?

There are clearly two different types of engines being used in the same prototype. Without a doubt.
 
Deino

Deino

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andyhugfan

andyhugfan

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Sczepan said:
the bird
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thnx:)

Centrist said:
Wait a min guys, there are a ton of photos showing the silvery/white engines of the WS10 on the 2001 prototype. I am dumbfounded...there is no way that they switched the engines out that fast....or can they?

There are clearly two different types of engines being used in the same prototype. Without a doubt.
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Yes, there have to be two prototypes, maybe two testbeds for two different engines?

jantxv said:
The UK Telegraph had a bit of a write up about this aircraft that seems to put things in a different perspective.



source:
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LOL so called experts,

even if the j-20 is a mig 1.44 rip-off, they cant say its bad, because mig 1.44 is in the same leage as eurocanards and rafale and even has superior manoeuvrebility than the f-22.
 
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Quickie

Quickie

Colonel
Many of us have been questioning the seemingly unexplainable reflective nozzles that suddenly appear on some pictures of the prototype. Now I'm thinking there could be a simple explanation to it, which is ice crystals forming on the nozzle's petals due to the cold weather?
 
Maggern

Maggern

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andyhugfan said:
LOL so called experts,

even if the j-20 is a mig 1.44 rip-off, they cant say its bad, because mig 1.44 is in the same leage as eurocanards and rafale and even has superior manoeuvrebility than the f-22.
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Do they have any proof that Chinese avionics are a generation behind Russian ones?
 
siegecrossbow

siegecrossbow

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Maggern said:
Do they have any proof that Chinese avionics are a generation behind Russian ones?
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Any one could pull stuff out of his/her rearend. I can say that the Eurofighter is inferior to the J-10B just because it doesn't even employ DSI inlets. We all can make stupid statements like that without responsibility.
 
Maggern

Maggern

Junior Member
Quickie said:
Many of us have been questioning the seemingly unexplainable reflective nozzles that suddenly appear on some pictures of the prototype. Now I'm thinking there could be a simple explanation to it, which is ice crystals forming on the nozzle's petals due to the cold weather?
Click to expand...

I'm rather thinking....remember the first space walk? They had one indigenous space suit and one imported russian one in use up there. One for backup and one for doing the prestige stuff. Perhaps they're doing the same here. One model with AL-31F to do the basic stuff to make sure everything works, and then have one with an indigenous engine to do the show-offing to the big-shots.

And although I'm no engineer, I seriously doubt they could throw around engines just like that, so it's likely to be on different prototypes. I'm sure it's possible to change engines, but that would surely require some heavy infrastructure and be time-consuming, not something a couple of guys with a forklift and a screwdriver could do on the tarmac.

EDIT: Again about the engines...perhaps they have one with an indigenous engine, but they are unsure how well it would work (new model?), and don't want the testing for the other systems of the aircraft be hindered by a faulty engine, so they have another one with a proven engine so they're sure they can continue testing the plane even if no indigenous power plants are satisfying.
 
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