CHINA’S CHENGDU J-20 stealth fighter jet, which made its public debut at China’s Zhuhai Airshow last Nov.1, brought the attention of the major air forces.

The supersonic fighter aircraft has advanced radar capabilities and sensors, with a display system in 360 degrees helmet, allowing the pilot to see through the aircraft itself. The same type of stealth technologies that the US Air Force has developed for years. The larger than the rival F-22 Raptor in order to enable it to carry more fuel and weapons, expanding its lethality deep into enemy territory.
The debut of the new fifth-generation Chinese jet generated panic waves across the world. Can this new jewel of western Stealth technology to compete with the American F-22 Raptor and F-35 Joint Strike Fighters?
The answer is no. The J-20 has stealth capabilities of the F-22, according to when declared by Richard Aboulafia aviation analyst at the Teal Group "At best, probably the stealth aircraft is only from the front, while the new jet americati are from all directions"
True stealth relies on the shape of the aircraft, its exhaust, material composition, cockpit shielding, and even flight characteristics. Aboulafia doubts the J-20’s designers have the science down.
According to declared in the United States, last March a Chinese hacker entered in the defense system to steal the F-22 and F-35 projects, but the simple facts are not enough to create a really stealthy design. "Those projects do not reveal everything", Aboulafia says. "It 's also how it is constructed, the building processes for all the little details in terms of design tolerances and things like breaks surface smoothness from hatches and panels."The J-20 technically counts as a fifth-generation fighter, it’s got the same sort of tech and capability of its contemporaries, but it lacks the breadth of know-how and technological innovation you see in American jets.
Take the J-20 front canards, the elevator-like surfaces ahead of the wing. They’re no good for stealth flight, and they’re likely there to counteract an inherent instability in the design. The J-20 lacks the maneuverability and electronics, communications, and sensing capabilities of its US counterparts. “In head-to-head combat, the J-20 would lose in seconds,” Aboulafia says.
However, the purpose of China may not be to compete with the new American fighters, but to ensure a solid technological lead in air to air combat on all of its Asian neighbors, including Japan, Indonesia, Vietnam, and others, " says military analyst Peter Singer. This will obviously extends to its allies who purchase the jets, Singer states, including countries in Africa, Southeast Asia, the Middle East and South America.
In addition, China will probably build a ton of J-20 and J-31 (an imitation of the F-35), and may exceed the US production of F-35 in a few years. In relation to F-22 production, it was completed in 2011 and earlier this year the United States have considering its reopening. "The planes must not be good if they are used in greater numbers, or in some scenarios that can create major complications for the US and its allies," says Singer. In a sense, China gains an advantage according move. "They have to innovate; they simply to recover."
At this point, analysts do not know as much as they would like about the J-20, but its airshow debut certainly piqued the curiosity to see how much longer reaching the Chinese have yet to do.

Source: wired
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