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14 novembre 2014 5 14 /11 /novembre /2014 12:35
J-31 au salon China Air Show

J-31 au salon China Air Show

 

13 novembre 2014 par Pierre Sparaco - Aerobuzz.fr

 

A l’occasion de l’édition 2014 du salon China Air Show qui se déroule cette semaine à Zhuhai, la Chine a démontré qu’elle n’était pas seulement en passe de devenir le plus grand marché aéronautique, mais qu’elle avait aussi l’intention dans être un acteur de premier plan.

 

Un avion de combat furtif qui se compare au F-22 américain, le J-31, un cargo militaire qui rappelle le C-17, le Y-20, l’annonce d’un long-courrier à développer en association avec l’industrie russe, toujours de grandes ambitions spatiales : la Chine est résolument entrée dans la cour des grands et suscite ce qu’il est convenu d’appeler des commentaires en sens divers.

 

Suite de l’article

Y-20

Y-20

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5 mars 2014 3 05 /03 /mars /2014 17:35
Y-20 Flight Tests Going Well, China Says

Flight-testing of China’s Y-20 four-engined strategic transport aircraft is progressing well, according to the PLA, and has already set new national records for flight testing. (PLA photo)

 

March 5, 2014 defense-aerospace.com

(Source: China Military Online; published March 4, 2014)

 

Test Flight Frequency of Y-20 Heavy-Duty Transport Aircraft Sets New Record

 

BEIJING --- The Y-20 heavy-duty transport aircraft is now still at the test flight stage, and its test flight frequency and time already set new records in the test flight history of China, according to Tang Changhong, chief designer of the Y-20 heavy-duty transport aircraft, on March 3, 2014 in Beijing.

 

Although the commissioning time for Y-20 cannot be disclosed, Tang Changhong said it is hoped that it can be commissioned as early as possible. However, it is important to ensure that there is no risk of failure at all in the aircraft test, and the aircraft can only be put into use under the very precise conditions. The test to date is going on very smoothly. He disclosed that the training of the test flight pilots for large transport aircraft is now underway.

 

Tang Changhong introduced that according to the current test flight status, all the expected goals have been achieved, and the original design goals for some limit requirements including flight height and flight speed, especially the requirements that the aircraft should possess good anti-bumping performance and be more comfortable have also been achieved.

 

The Y-20 heavy-duty transport aircraft is the new-generation military transport aircraft independently developed by the Xi'an Aircraft Industry Group under the Aviation Industry Corporation of China (AVIC). Its maximum take-off weight is estimated to be 220 tons, and its maximum payload is 66 tons, which is among the top ten world’s most powerful aircraft in transport capacity.

 

China declared to launch its large aircraft development project in March 2007. And the Y-20 took off for the first time from China’s Yanliang base at 14:00 on January 26, 2013 for a flight period of one hour. The successful first flight of the Y-20 marked that China has its own large aircraft.

 

According to the estimation from foreign media, China needs at least 300 Y-20 aircraft, and at the same time, China may also export the Y-20. In this regard, Tang Changhong said that Russia has made more than 800 IL-76 aircraft, and the number of large aircraft in the U.S. is also very large. But different countries have different national conditions, China’s civil and military aviation transport is just at its beginning stage; its perfect transport system is not yet built up, which is now far behind that of developed countries. “Therefore, I believe that through the hard-working, China will have a very big room for development in the future. We also hope to establish cooperation relations with other countries,” Tang said.

 

As for the guess that China will develop super large transport aircraft after developing the Y-20, Tang Changhong expressed that China currently has no such plan. He pointed out that from the design perspective, the emerge of large transport aircraft not only represents an aircraft model, but more importantly represents the accumulation of a batch of basic technologies, design capabilities and production capabilities. It is actually an upgrading of the industrial level, which will make more contributions to China.

 

When will the brother series of Y-20 be launched? Tang Changhong replied that: “The present main work is still to carry out the test flight on Y-20’s basic stability, the brother series is not yet considered. Some plans on China’s large transport aircraft are still under discussion, which cannot be disclosed.”

 

Tang Changhong expressed that Y-20 with a maximum payload of 66 tons and a maximum take-off weight of 220 tons is a very large heavy-duty transport aircraft. He took the example of the U.S. large aircraft’s application and said that the U.S. large transport aircraft have played very important roles in the national construction in the U.S. Therefore, China’s Y-20 not only aims at military application, but also more focuses on civil applications including construction material and equipment transportation, earthquake relief and emergency rescue.

 

“The performance of Y-20 is very high. It can adapt to relatively hard conditions and can land at small airports in mountain areas. In its design, the adverse weather conditions of frigid zone, high heat area and plateau as well as the runway situation are fully considered,” he said.

 

Tang Changhong, a Xi’an native, graduated from the major of aerodynamics at the Northwestern Polytechnical University in 1982. He successively participated in the development of the aircraft models including “Flying Leopard” fighter, Y7-200A, MPC-75 and AE-100, as well as the research on major pre-research subjects. He is now the chief designer of the First Aircraft Design Institute under the First Group Company of the AVIC and an academician of the Chinese Academy of Engineering (CAE).

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18 janvier 2013 5 18 /01 /janvier /2013 13:35

Y-20

 

January 18, 2013: Strategy Page

 

Photos from China confirm rumors that the air force there has been developing an air transport similar to the American C-17. The new Chinese aircraft is called the Y-20 and appears to have a max weight of 220 tons and a max payload of 80 tons. In most other respects it appears very similar to the C-17. The Y-20 will likely include many characteristics of the 195 ton Il-76, a Russian heavy transport that can carry up to 50 tons and that the Chinese have been using for decades. The two Y-20 prototypes have been undergoing ground taxi tests, which usually happens within months, or up to a year before the first flight.

 

The C-17 entered service 17 years ago and each one has a useful life of 30,000 flight hours. The 290 ton C-17 can carry up to 100 tons (including one M-1 tank) anywhere in the world because of in-air refueling. The C-17 costs about $250 million each. Britain, with eight, is the largest foreign user of the C-17. Australia and the UAE each have six while Canada and Qatar each have four. India has ordered ten. The U.S. Air Force operates 203. China does not need that many Y-20s, but it does want to get away from depending on Russia for heavy transports. Dealing with Russia can be difficult.

 

Last year China revived, in part, a 2005 deal to buy Il-76 transports from Russia. The new arrangement only involved China buying ten refurbished Il-76s. Back in 2005, China placed a $1.5 billion order for 38 Il-76 transport planes and Il-78s (tanker versions of the Il-76). A year later China cancelled the deal when Russia tried to up the price 27 percent. China went looking elsewhere, including urging its domestic aircraft manufacturers to come up with something. That process eventually led to the Y-20, but in the meantime China needs some more jet powered military transports.

 

Similar to the older American C-141, the Il-76 was originally only manufactured in Uzbekistan. That's because one of the Russian aircraft plants moved east during the German invasion of 1941, and ended up in Central Asia, a part of the Soviet Union that became independent Uzbekistan in 1991. Over the last decade Russia has been moving Il-76 production from Uzbekistan to Russia.

 

Over 900 Il-76s were manufactured over the last thirty years, most by what is now the Chkalov Tashkent Aircraft Production Company in Uzbekistan. Nearly a hundred Il-76s were exported, so far, mainly to Cuba, Iraq, China, India, Libya, and Syria. However, until the 2005 Chinese order came along, Chkalov was surviving by manufacturing wings and other components for the An-124, An-70, and An-225 transports. In addition, it made replacement parts for the Il-76 and Il-114 aircraft.

 

Russian commercial aircraft survived during the Cold War partly because they had a captive market (the former Soviet Union, the East European nations the Soviets dominated) and were attractive to a few other nations looking for cheap, often free, and rugged aircraft. While many old Soviet transports still serve on in secondary markets, these designs are no longer competitive. Western models, while more expensive, are cheaper and easier to operate. The old Soviet era aviation firms have tried hard to compete, but that competition will eventually kill off most of the Soviet era producers, leaving only a few who managed to catch up with the rest of the world or found a specialized niche.

 

China is no longer interested in buying 38 Il-76/78s but is willing to work with Russia in developing a Chinese replacement for the Il-76. That’s the Y-20 which is using Russian engines and much more Russian aviation technology as well.

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