China's transport, tanker & heavy lift aircraft

SinoSoldier said:

A student-based competition regarding proposals for a notional stealthy transport:

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Y-20 Transport aircraft

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conducts high-altitude tests in Yunnan

Beijing: --China is ready to test its Y-20 military transport aircraft over the Yunnan-Guizhou Plateau, according to photos uploaded to a Chinese military website, the Sina Military Network based in Beijing reported on June 23. The internet photos showed a Y-20 with serial number 783 at Lijiang airport.

This is the first time Xian Aircraft Industrial Corporation will have tested the Y-20 in a high-altitude region. With the atmospheric pressure lower than at sea level, the aircraft needs more speed to take off and the atmosphere and high local temperature also affects the thrust the aircraft's engine can generate.

As Lijiang airport is only 2,200 meters above sea level, the Sina Military Network said this is unlikely to be the final altitude test for the Y-20.

Photos uploaded to the internet earlier this year revealed the Y-20 undergoing testing in low temperature conditions at an unknown airbase in northern China.

Tang Changhong, the chief designer of the Y-20, said the aircraft will complete all tests in different conditions by the end of the year.

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据悉，上半年，试飞中心圆满完成两型号定型试飞任务；某型运输机实现05架机首飞，并高效开展高寒试飞、大侧风试飞、高原试飞等重点任务；新型歼击机多项目试飞持续推进；某型号完成年度武器发射试飞任务；多型武器靶试里程碑节点任务顺利完成；目标机优质高效的配试保障；AG600型号、C919型号试飞员培训工作取得阶段性成果；多地外场型号任务同时推进等。此外，上半年，试飞中心还成功组织了夜航试飞，针对各型号夜航试飞需求，于5月27、29日，集中安排了3个型号4架飞机的夜航试飞，高效完成了相关型号夜航试飞任务。
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Reportedly, first half of, Flight Center successfully completed two model stereotypes flight task; a type transport achieved 05 frame machine flew, and efficient carried out Alpine flight, and big side wind flight, and plateau flight, focus task; new fighter more project flight continued advance; a model completed annual weapons launches flight task; more type weapons target try milestone node task smooth completed; target machine quality efficient of distribution try guarantees; AG600 model, and C919 model test pilot training work made stage results ; Type tasks simultaneously, and the outfield. In addition, the first half of the flight test centre has also successfully organized a night flight, according to various models of demand for night flight, on May 27, the 29th, centrally arranged 3 model 4 aircraft flight test, efficient completion of model flight test mission.
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jkliz said:

There is more than one prototype?

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Deino said:

Hmmm ... I hope anyone can correct me or give a better translation, but it seems as if the Y-20 no. 5 had its maiden flight !

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However: is this airframe no. 5 or the no. 5 flying prototype ... and where is no. 4 ??

Deino

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