Although it somewhat has the general appearance of America's C-17, it's actually much closer to its 1960s predecessor, the C-141 Starlifter with its skinny low-bypass turbofan engines It is one of a number of Chinese projects that are obviously patterned after US rather than Russian designs, but shows a wide 40 year gap in transport technology.
The American C-141 specifications were first set in 1960 to replace the piston engined C-124 and turboprop C-131. It first flew in 1963, and was based on technology from turbofan airliners like the 707 and bombers like the B-52H. Production deliveries of an eventual 285 planes began in 1965. The first flight of the Y-20 was in 2013, or 40 years behind. The C-17 was a wide body replacement for the C-141 and supplement to larger C-5, the original military wide-body transport.
Specifications are generally slight smaller than the C-17, but the major difference is that the US mastered high bypass engines in the mid 1960s with the C-5 and 747, but the D-30 engines on theY-20 make only half as much thrust as the modern tech engines on the C-17.
Y-20 4 × D-30 low bypass turbofans Maximum thrust: 23,150 lbf (103 kN)
C-141: 4 × Pratt & Whitney TF33-P-7 turbofans, 20,250 lbf (90.1 kN each) each
C-17 4 × Pratt & Whitney F117-PW-100 high bypass turbofans, 40,440 lbf (180 kN) each
Other transports:
747: No equivalent
C-5: No equivalent
C-130:
Youtube
China Debuts Homegrown C-17 Clone Jan 28, 2013 - The Y-20 looks a lot like the Boeing-built C-17 used by the U.S. Air Force, ... It is big enough to hold the heaviest tank used by China's army, the .... But have you notice, the fact that the Chinese are doing a version of the C-141A Starlifter.... China needs these Cargo Planes to fly more manufactured Products ...
China's new Y-20 cargo plane (that looks like a C-17/A ... Nov 7, 2014 - The Chinese airlifter arrived at Zhuhai from Xi'an Yanliang Airport at ...The large military transport plane is a hybrid between the U.S. C-17, the ...
C-17 and A400M had a baby ... in China - The DEW Line Flightglobal
Dec 21, 2009 - Well, four years later, the always fantastic China Military Aviation site has ... (Airbus Military Company) Future Large Aircraft with the turbofan design. ... So a Chinese transport that looks remarkably like a C-5, C-17, C-141, ...
Y-20 Military Transport - GlobalSecurity.orgwww.globalsecurity.org › ... › China › Aircraft › Y - Yunshuji (Transport) Jul 29, 2014 - "We are developing large transport aircraft on our own to improve the capability of ... were noted with the American C-141 and Soviet Il-76 cargo planes, the... employee was convicted of selling C-17 technical details to China.
Xian Y-20 - Wikipedia, the free encyclopedia
en.wikipedia.org/wiki/Xian_Y-20
The Xian Y-20 (Chinese: 运-20) is a large military transport aircraft. The project is being developed by Xi'an Aircraft Industrial Corporation and was officially launched in 2006.[2] The official codename of the aircraft is Kunpeng (Chinese: 鲲鹏).[3] after the mythical bird of ancient China that can fly for thousands of kilometres.[4] The chief designer of the Y-20 is Tang Changhong (Chinese: 唐长红).[5]
The first Y-20 prototype is powered by four D-30 series turbofan engines and the production aircraft may be equipped with WS-20 engines, which is derived from the Shenyang WS-10 turbofan engine currently powering the J-11B fighters in PLAAF. The WS-20 engine is essentially a WS-10A engine with high by-pass ratio of around 6.2, it produces around 132Kn of thrust and does not have the military afterburner nozzle.[6]
Cargo is loaded through a large aft ramp that accommodates rolling stock. The Y-20 incorporates a shoulder wing, T-tail, rear cargo-loading assembly and heavy-duty retractable landing gear.
It was reported that the Y-20 started ground testing from December 2012, including runway taxi tests.[7][8][9][10] The aircraft made its maiden flight lasting one hour on January 26, 2013.[11][12][13] During landing in first flight, it was reported that the Y-20 prototype bounced once before finally settling on runway due to high landing speed.[14]
In December 2013, a new Y-20 prototype took to the sky.[1]
The Y-20 is the first cargo aircraft to use 3-D printing technology to speed up its development and to lower its manufacturing cost.[15]
Chinese air force demand[edit]
According to Chinese sources, the Chinese air force PLAAF will need at least 300-400 Y-20 aircraft to conduct military operations in different battlefronts along the Asia-Pacific region as well as to catch up with capabilities of the U.S and Russia. This will require XAC to open two production lines and run for 10 years or 15 years.[16][17]
Specifications (estimated)[edit]
Crew: 3: pilot, copilot & load masterGeneral characteristics vs larger C-17
- Payload: 66 tonnes[11] (145,505 lb) / 170,900 lb (77,519 kg)
- Length: 47 m[18] (154.2 ft) / 174 ft (53 m)
- Wingspan: 45 m[5] ~ 50 m[18] (147 ft ~ 164 ft) / 169.8 ft (51.75 m)
- Height: 15 m (49.2 ft)
- Wing area: 330 m² (3337 ft²)
- Empty weight: 100,000 kg (220,400 lb) / 282,500 lb (128,100 kg)
- Max. takeoff weight: 220,000 kg (485,000 lb)
- Powerplant: 4 × D-30 low bypass turbofans Maximum thrust: 23,150 lbf (103 kN) / 4 × Pratt & Whitney F117-PW-100 high bypass turbofans, 40,440 lbf (180 kN) each (almost twice as much thrust per engine, more efficient)
Performance
- Cruise speed: Mach 0.75 (918 km/h) / Mach 0.74 (450 knots, 515 mph, 830 km/h)
- Range: 4,500 km with max payload ; 7800 km with 40 tons ; 10,000+ km with paratroops. () / 2,420 nmi[184] (2,785 mi, 4,482 km) 5,610 nmi (10,390 km) with paratroopers
- Service ceiling: 13,000 m (42,700 ft)
- Max. wing loading: 710 kg/m² (145 lb/ft²)
See also[edit]
References[edit]Notes
^ Jump up to:a b http://net.chinabyte.com/351/12807851.shtml
Jump up^ "China's first heavy transporter Y-20 takes off".english.people.com.cn. Retrieved 26 Jan 2013.
Jump up^ "Y-20 gives air power a push". chinadaily.com.cn. Retrieved 28 Jan 2013.
Jump up^ Dave Sloggett, "THE DRAGON Gains its Strategic Wings" Air International, March 2013, pp. 94-95
^ Jump up to:a b "New jumbo transport jet completes more tests".East Day. Retrieved 5 March 2013.
Jump up^ http://www.janes.com/article/31880/china-marks-aviation-milestones-with-j-10b-production-second-y-20-prototype-flight
Jump up^ "Y-20 transport aircraft starts testing, first flight completed". AirForceWorld.com. Retrieved 24 Dec2012.
Jump up^ "Chinese Y-20 revealed in new online pictures".Flightglobal.com. Retrieved 27 Dec 2012.
Jump up^ "IN FOCUS: China’s new strategic airlifter".Flightglobal. Retrieved 14 Jan 2013.
Jump up^ David Axe (4 January 2013). "Satellites Spot China’s Mysterious New Warplane". Wired. Retrieved29 January 2013.
^ Jump up to:a b "我国自主发展的运—20大型运输机首次试飞取得圆满成功". news.xinhuanet.com. Retrieved 26 Jan 2013.
Jump up^ "视频 国产大型运输机运-20首飞成功". news.cntv.cn. Retrieved 26 Jan 2013.
Jump up^ "视频 国产大型运输机首飞成功：我国运输机发展之路". news.cntv.cn. Retrieved 26 Jan 2013.
Jump up^ "VIDEO:Y-20 prototype first flight completed".news.cntv.cn. Retrieved 26 Jan 2013.
Jump up^ "央视首次æ›å…‰è¿20è¿è¾“机驾驶舱内部ç贵画é¢_军事_环çƒç½‘". Retrieved 4 February 2015.
Jump up^http://baike.baidu.com/redirect/c85c0qgiWQyHgKfndnFwhelJIyCgnvrTD7yboh856IMDrZr6Xuy%2BVdNKaCT%2FEI8zdi8%2BvYCdlnGw%2BK9oR1RNjAfolmePODddSJgXsV1bvXM
Jump up^ "China Eyes 400 Y-20 Cargo Planes For Military Transport". DefenseWorld.Net. Retrieved 10 November2014.
^ Jump up to:a b http://eng.chinamil.com.cn/news-channels/pla-daily-commentary/2013-01/28/content_5197556.htm.
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