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Chengdu J-20 5th Generation Aircraft News & Discussions

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J-20 stealth fighter's capabilities to be enhanced

By ZHAO LEI | China Daily | Updated: 2018-03-13

5aa70928a3106e7d2d7683f9.jpeg

A J-20 stealth fighter is seen at a 2016 air show in Zhuhai, Guangdong province.[Photo/Provided to China Daily]

China will continue to improve and upgrade its cutting-edge J-20 stealth fighter jet, giving it more capabilities than merely penetrating an enemy's air defense networks, according to its chief designer.

Yang Wei, a deputy director of science and technology at Aviation Industry Corp of China and an academician of the Chinese Academy of Sciences, told China Daily in an exclusive interview that designers will develop variants of the radar-evading J-20 and will open research on its successor-a sixth-generation fighter jet.

"We are not complacent about what we have achieved. We will develop the J-20 into a large family and keep strengthening its information-processing and intelligent capacities. At the same time, we will think about our next-generation combat plane to meet the nation's future requirements," Yang said.

The designer made the remarks on the sidelines of the ongoing first session of the 13th National People's Congress in Beijing. He is a deputy in the nation's top legislature.

"In the past, we had to follow others' paths when it came to designing military aircraft because our research and development capabilities were primitive in this regard, but now we have become capable of designing and making what we want to have," he said.

The senior designer said that the J-20 is the best fighter jet in China, so it would be used at the most crucial moments during a war.

"Of course, it will be tasked with penetrating air defense networks, but that will not be its only mission. It definitely has multiple functions. How we will use it depends on its production and deployment scale," Yang said.

The J-20, China's first fifth-generation combat aircraft, made its maiden flight in January 2011 and was declassified in November 2016. It was the third such stealth fighter jet to enter service, after the United States' F-22 Raptor and F-35 Lightning II.

It has been sent to take part in a series of combat exercises with other advanced fighter jets in the Air Force and practiced beyond-visual-range aerial fighting maneuvers during the drills, according to the Air Force.

The jet shoulders the important responsibility of making way for other aircraft in an air battle, said Zhang Hao, head of an Air Force flight-testing center that has deployed the jet.

In addition to the J-20, AVIC is testing the FC-31, another fifth-generation combat plane, and wants to use it to tap the international market for advanced fighter jets. The Air Force has made clear that it will not allow exports of the J-20.

http://www.chinadaily.com.cn/a/201803/13/WS5aa70928a3106e7dcc1412af.html
 
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J-20 stealth fighter's capabilities to be enhanced

2018-03-13 08:40 China Daily Editor: Li Yan

U542P886T1D295472F12DT20180313082448.jpeg

A J-20 stealth fighter is seen at a 2016 air show in Zhuhai, Guangdong Province. (Photo/Provided to China Daily)

China will continue to improve and upgrade its cutting-edge J-20 stealth fighter jet, giving it more capabilities than merely penetrating an enemy's air defense networks, according to its chief designer.

Yang Wei, a deputy director of science and technology at Aviation Industry Corp of China and an academician of the Chinese Academy of Sciences, told China Daily in an exclusive interview that designers will develop variants of the radar-evading J-20 and will open research on its successor-a sixth-generation fighter jet.

"We are not complacent about what we have achieved. We will develop the J-20 into a large family and keep strengthening its information-processing and intelligent capacities. At the same time, we will think about our next-generation combat plane to meet the nation's future requirements," Yang said.

The designer made the remarks on the sidelines of the ongoing first session of the 13th National People's Congress in Beijing. He is a deputy in the nation's top legislature. [Special coverage]

"In the past, we had to follow others' paths when it came to designing military aircraft because our research and development capabilities were primitive in this regard, but now we have become capable of designing and making what we want to have," he said.

The senior designer said that the J-20 is the best fighter jet in China, so it would be used at the most crucial moments during a war.

"Of course, it will be tasked with penetrating air defense networks, but that will not be its only mission. It definitely has multiple functions. How we will use it depends on its production and deployment scale," Yang said.

The J-20, China's first fifth-generation combat aircraft, made its maiden flight in January 2011 and was declassified in November 2016. It was the third such stealth fighter jet to enter service, after the United States' F-22 Raptor and F-35 Lightning II.

It has been sent to take part in a series of combat exercises with other advanced fighter jets in the Air Force and practiced beyond-visual-range aerial fighting maneuvers during the drills, according to the Air Force.

The jet shoulders the important responsibility of making way for other aircraft in an air battle, said Zhang Hao, head of an Air Force flight-testing center that has deployed the jet.

In addition to the J-20, AVIC is testing the FC-31, another fifth-generation combat plane, and wants to use it to tap the international market for advanced fighter jets. The Air Force has made clear that it will not allow exports of the J-20.
 
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In addition to the J-20, AVIC is testing the FC-31, another fifth-generation combat plane, and wants to use it to tap the international market for advanced fighter jets. The Air Force has made clear that it will not allow exports of the J-20.

Does the following quote from pb19980515 imply that the land-based PLANAF will also use the FC-31?
还有其他海航部队的型号,总量在XXX架
 
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DYF3_ZzVwAAM1yu.jpg


DX-2jvYVAAA19Hs.jpg


@Deino just came across this. Does this means J-20 will be further developed.

J-20’s chief designer speaks on improvements to aircraft
http://alert5.com/2018/03/13/j-20s-...improvements-to-aircraft/#I6EClgF8qdVi5bRd.99
DYF3_ZzVwAAM1yu.jpg


DX-2jvYVAAA19Hs.jpg


@Deino just came across this. Does this means J-20 will be further developed.

J-20’s chief designer speaks on improvements to aircraft
http://alert5.com/2018/03/13/j-20s-...improvements-to-aircraft/#I6EClgF8qdVi5bRd.99
OFC
 
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Maybe stealthy nozzle with 2D thrust vector like F-22....
How much work are you going to invest in that project?

5CvJMd7.jpg


Take a look at the A-10 for now. There is a reason why the A-10 was designed the way we know it today. The threat is infrared sensor-ed missile. The high locations of the engines and the overly large rudders were designed that way to minimize the infrared AVAILABILITY to IR-ed missiles.

Now look at the F-35 and J-20 regarding their engine nozzles. Both jets are in similar viewing profiles. Which jet has the greater exposure to both radar and IR sensors regarding their engine nozzles? Remember, we are taking a snapshot in time for both jets. If I am an IR-ed missile, the J-20 would be a more 'attractive' target.

Now look at this viewing angle for the F-35...

mnB2Igh.jpg


We are looking only a slight change in viewing angle and yet the F-35's engine nozzle is almost gone from sight.

For the American and Chinese designers of their respective 'stealth' platforms, they know that there will always be ideal situations for the threats but their missions are to reduce the odds of the threats acquiring the jets. For the J-20's designers, with what they had to work with, from airframe to engines, they had no choice but to make the J-20 more vulnerable than the American's jets in both radar and IR sensor views.

We are not talking about doing something external like on the F-15 and F-16 when we installed conformal fuel tanks. For what you want, if there is a shorter engine, then the airframe itself must be modified. Now you are looking at more complex issues like wiring, plumbing, weight and balances, and many more. If you want 2D thrust vectoring, you have to incorporate that into existing flight control laws, so for the flight controls avionics alone, you are looking at about 5 more yrs of development time for best case scenario. That is not speculative because yrs was how long it took the US in studying modified F-15 and F-16 with their canards systems. In the end, the US rejected the program.

The J-20 as is has been declared as deployable by China and is assigned to a front line unit, as China claimed. So how much work are you willing to put into the J-20 at this time?
 
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@Deino just came across this. Does this means J-20 will be further developed.

J-20’s chief designer speaks on improvements to aircraft
http://alert5.com/2018/03/13/j-20s-...improvements-to-aircraft/#I6EClgF8qdVi5bRd.99


Chengdu J-20 to become multi-role platform

Beijing will evolve the Chengdu J-20 fighter into roles well beyond aerial supremacy.

The aircraft’s primary mission for the time being is “making way for other aircraft in an air battle,” says Zhang Hao, who heads an air force flight test centre.

Zhang made the remarks in a story carried by Beijing’s official China Daily news organ.

The type will be developed into variants and will also allow for the opening of research into a “sixth generation fighter,” says Yang Wei, a deputy director of science and technology at AVIC.

"We are not complacent about what we have achieved,” Yang is quoted as saying. “We will develop the J-20 into a large family and keep strengthening its information-processing and intelligent capacities. At the same time, we will think about our next-generation combat plane to meet the nation's future requirements," Yang added that the J-20 is “the best fighter in China, so it would be used in the most crucial moments during a war.”

The 418-word story is surprisingly candid about the J-20, which has been shrouded in secrecy since it first appeared on social media in 2010. The type made its maiden flight in 2011. At the 2016 iteration of Airshow China in Zhuhai, two examples flew above the crowd at the show’s opening, but AVIC officials declined to discuss the aircraft. The China Daily story, however, says the type was “de-classified” in November 2016.

A recent, seperate two-line story from state news agency Xinhua proclaimed that the type had been commissioned into combat service, but gave few details.

Apart from a plan to develop more J-20 variants, the story reveals that the Peoples Liberation Army Air Force (PLAAF) will not allow exports of the type. It also revealed that the type has participated in beyond-visual-range (BVR) test engagements.

It does not reveal how many aircraft have been produced, how many will be operated, or the specific missions for which the J-20 will be developed.

Observers have suggested that a key mission for the type in the aerial supremacy role will be not just engaging enemy combat aircraft, but attacking critical support aircraft such as tankers and airborne early warning & control (AEW&C) aircraft. To this end China is developing the PL-21, a ramjet-powered missile guided by an active radar. Performance is believed to be comparable to the long-range MBDA Meteor.

A guide to possible missions is provided by Lockheed Martin’s mission list for the F-35. Apart from the air-to-air mission, it says the type is suitable for electronic attack, air-to-surface warfare, and intelligence, surveillance, and reconnaissance (ISR). The F-22, originally developed as a fighter, is also capable of electronic attack and can carry bombs.

The report claims that the J-20 is the third fifth generation fighter to enter service after the F-22 and F-35. In addition, it reiterated that AVIC’s FC-31 is aimed at the international market, but gave no other details about development plans for this aircraft.

"In the past, we had to follow others' paths when it came to designing military aircraft because our research and development capabilities were primitive in this regard, but now we have become capable of designing and making what we want to have," said Yang.

https://www.flightglobal.com/news/articles/chengdu-j-20-to-become-multi-role-platform-446703/

+ a comment via the Secret Projects Forum ("hood"):

An interview in China Daily with an air force test centre head, seems to indicate that further multi-role developments of the J-20 are likely and confirms that the type will not be exported, but no details were given.
Also Flight quotes an interesting part from the interview, "In the past, we had to follow others' paths when it came to designing military aircraft because our research and development capabilities were primitive in this regard, but now we have become capable of designing and making what we want to have." This may be confirmation that the J-20 did not rely on imported designs/expertise, though perhaps a bit disingenuous given number of programmes undertaken since the 1980s (Super-7, JF-17, Xian JH-7, J-10 etc.) which must have helped the learning curve somewhat.
 
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How much work are you going to invest in that project?

5CvJMd7.jpg


Take a look at the A-10 for now. There is a reason why the A-10 was designed the way we know it today. The threat is infrared sensor-ed missile. The high locations of the engines and the overly large rudders were designed that way to minimize the infrared AVAILABILITY to IR-ed missiles.

Now look at the F-35 and J-20 regarding their engine nozzles. Both jets are in similar viewing profiles. Which jet has the greater exposure to both radar and IR sensors regarding their engine nozzles? Remember, we are taking a snapshot in time for both jets. If I am an IR-ed missile, the J-20 would be a more 'attractive' target.

Now look at this viewing angle for the F-35...

mnB2Igh.jpg


We are looking only a slight change in viewing angle and yet the F-35's engine nozzle is almost gone from sight.

For the American and Chinese designers of their respective 'stealth' platforms, they know that there will always be ideal situations for the threats but their missions are to reduce the odds of the threats acquiring the jets. For the J-20's designers, with what they had to work with, from airframe to engines, they had no choice but to make the J-20 more vulnerable than the American's jets in both radar and IR sensor views.

We are not talking about doing something external like on the F-15 and F-16 when we installed conformal fuel tanks. For what you want, if there is a shorter engine, then the airframe itself must be modified. Now you are looking at more complex issues like wiring, plumbing, weight and balances, and many more. If you want 2D thrust vectoring, you have to incorporate that into existing flight control laws, so for the flight controls avionics alone, you are looking at about 5 more yrs of development time for best case scenario. That is not speculative because yrs was how long it took the US in studying modified F-15 and F-16 with their canards systems. In the end, the US rejected the program.

The J-20 as is has been declared as deployable by China and is assigned to a front line unit, as China claimed. So how much work are you willing to put into the J-20 at this time?

From horizontal angle, the engine nozzles of J-20 are also been covered by ventral fin:
1.jpg
 
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From horizontal angle, the engine nozzles of J-20 are also been covered by ventral fin:
Of course there is an ideal situation where the J-20's engine nozzles are not seen by both radar and IR sensors. But ideal situations are rare in flight.
 
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LOL The F-35 is just an overly rated aircraft with a SINGLE engine.

What is there for China to copy anyway today?

Beside that both the F-35 and J-31 are meant for EXPORT!

All these acts are mere political ploys to discredit the other esp. the Chinese.

One must be completely BLIND to conclude that the twin engine FJ-31 is a copy of the F-35!

:cheers:
 
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