China's transport, tanker & heavy lift aircraft

by78

General
A Y-20 transporting personnel for a disaster relief exercise.

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Hendrik_2000

Lieutenant General
An excellent article about the new Y 20 U From Lyle Goldstein. Basically what he said is with the introduction of Y 20U China will be able to hold off any attacker to 2nd chain of island
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That subject was capably
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in this forum a few years back. In that piece, author David Barr asserted that Beijing would likely develop the Y-20 for refueling purposes. He noted that aerial refueling has been absolutely critical to U.S. military operations in distant theaters, such as Afghanistan. Thus, Barr explains that 4,500 aerial refueling sorties were flown mostly by USAF KC-135s and KC-10s to accomplish roughly 6,500 strikes in just the first few months of that war during late 2001.

Barr concluded that China has learned from observing this and other U.S. interventions about the pivotal role of aerial refueling. Observing the progress of Y-20 development, he made the disturbing projection that with this new aircraft modification, Beijing will gain “the ability to put U.S. and partner armed forces operating outside the second island chain, such as Alaska and Hawaii at risk.” An early 2019 (2/no.574) article from the Chinese
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Aerospace Knowledge [航空知识] offers further insights regarding this important program.


The Aerospace Knowledge [航空知识] analysis begins with an important confirmation of Barr’s hypothesis. The very first sentence sets out the new milestone that in early December 2018 the “specially modified aircraft [特种机改型]” Y-20 successfully undertook its very first aerial refueling mission. This is just in time, according to this article,” since the H-6 refueling aircraft in China’s inventory are said to be “too old,” while the Il-78’s imported from Russia are “too few” for China’s requirements. Comparing the Y-20 program to others around the world, the Chinese analysis makes the important point that most other aerial refueling planes have been converted from successful civilian airliners.

However, it is said that the Y-20’s military origins could still have advantages for the aerial refueling design. For example, Y-20 was built to fly from rather austere and short runways. This piece claims that Y-20 can loft 110 tons of fuel. Thus, it is assessed that the new aerial refueling aircraft can provide 3-4 times the tanking capacity of the H-6, according to this Chinese analysis.

The piece admits upfront that the capabilities of Y-20 in the aerial refueling role do not quite match up to the latest Western equivalents. The major reason is that the Y-20 will apparently employ so-called “soft gas line technology [软管加油技术]” versus the more efficient “hard pipe [硬管].” As explained in the article, the hard pipe allows for much faster transmission of fuel. For example, the relatively new Airbus A330MRTT is discussed in the article as having nearly 100% faster refueling capability via the hard pipe at 4,540 liters per second. Thus, such an advanced system is quite “suitable for the refueling of large aircraft,” while the Y-20 will do better refueling fighters and attack aircraft. Similar to the Russian Il-78 Midas, the Y-20 will be able to refuel three fighters simultaneously or one large aircraft. Indeed, thanks to the experience employing the Midas, China is said to have “rich experience” already with soft line tanking. The new Chinese system will employ video cameras to assist the crew with the tanking process.

In fact, a major theme of the article is that the Y-20, at least in the near term, will not match the most efficient systems flying in the West, such as the hard pipe Airbus system mentioned above. On the other hand, it is suggested that “… there still exists the possibility for hard-pipe tanking [仍然存在采用硬管加油的可能性]” and the Y-20 modification to that system “will not be difficult [改装并不困难].” Indeed, an additional burden on Chinese aircraft designers has been the apparent need to ensure that these Y-20s will remain “dual-use [兼职]” platforms. Again, like the Russian Il-78 Midas tankers imported into China, the first batch of Y-20 refueling aircraft will also be able to serve as cargo aircraft. Thus, it will retain the large nose hatch, according to this Chinese report. The author laments that China is still far from a time when it has both a large fleet of cargo aircraft and also a large fleet of aerial refueling aircraft. It is further pointed out that in the coming era of China’s
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, that future may well come about.

For the near term, the priority for Beijing’s military planners is that “the most important role for tanker aircraft is to resolve the dilemma of tactical aircraft concerning take-off weight and whether to carry more fuel or more ordnance [解决起飞重量有限的战术机多载油还是多载弹的矛盾, 是加油机的重要作用].” For China’s strike aircraft, such as the J-16 and Su-30, both heavy aircraft that will need to fly low, more tankers will afford them significantly more loiter time over the battle space, for example in Taiwan or South China Sea scenarios. It is assessed in this Chinese analysis that each Y-20 would have sufficient fuel to top off 18 Su-30s, enabling them to operate beyond a distance of 1,000km. Interestingly, the article also mentions advantages for China’s western flank (e.g. Tibetan Plateau), where higher altitude airfields complicate takeoff weight.
 

caohailiang

Junior Member
Registered Member
An excellent article about the new Y 20 U From Lyle Goldstein. Basically what he said is with the introduction of Y 20U China will be able to hold off any attacker to 2nd chain of island
i dont think the piece is trying to express that idea "with the introduction of Y 20U China will be able to hold off any attacker to 2nd chain of island"
 

Totoro

Major
VIP Professional
We do not know. Everyone can make an estimate for themselves.
My personal estimate is also 100 to 200. Because China has hundreds of tactical planes fewer than US and hundreds of larger planes (transport, bombers with IFR) and because I don't see China wanting to project even half as much power across the pacific before late 21st century as US does.
 

sndef888

Senior Member
Registered Member
Just realised the Y20 has very similar characteristics to the IL-76 used for the KJ-2000 AEW plane

One difference is that Y-20 has a fatter but shorter fuselage compared to IL-76's slimmer but longer one.

Does this affect the flight performance/endurance of the plane? For example if they make a AEW version would it have less endurance?
 
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