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Скачать или смотреть Y-20B: Latest Chinese military aircraft revealed, with copied CFM56 engine - WS-20 turbofan

  • Chinese Forces
  • 2022-01-31
  • 39725
Y-20B: Latest Chinese military aircraft revealed, with copied CFM56 engine - WS-20 turbofan
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Описание к видео Y-20B: Latest Chinese military aircraft revealed, with copied CFM56 engine - WS-20 turbofan

A photo surfaced online ChineseY-20 transport aircraft is now flying with 4 domestically developed WS-20 turbofan engines.
The variant with WS-20 engines is likely named Y-20B. Previously Y-20s are powered by Russian D30 turbofan, same as IL-76.
WS-20 translates into "Turbofan 20". A photo shows ceremony of WS-20 first test flight by China Flight Test Establishment. The testbed is a modified IL-76 aircraft. WS-20 is believed to be Chinese copied French-American CFM56 turbofan engine.
WS-20 can greatly increase efficiency of Y-20, increasing its range and payload in real-world practice. CFM56 was imported by China as civilian powerplant for airliners, it has now been turned into fighter jet WS-10 engine, and WS-20 for larger aircrafts, possibly powering Chinese designed airliners in future, like CR929.
Visually WS-20 is much larger than less-efficient D30 turbofans due to the size of much larger high-bypass fans at the front.
To boost fuel economy, almost all of modern airliners and most military transport aircraft adopt high-bypass-ratio turbofans. These engines are improved greatly comparing low-bypass-ratio turbofans used in such aircraft before 1970s. Fighters mostly tend to use low-bypass turbofans, while transport aircraft opt for efficiency.
WS-20 will also help Y-20B significantly when loaded with main battle tanks, such as 99A tank, to achieve better range and handling, making the aircraft a lot more practical to suit Chinese military strategical air transport requirement. Original Y-20 can easily load 99A tank, improvement comparing Russian IL-76 which requires removing side skirts of T-72 or T-80.
WS-20 also makes Y-20B more flexible in terms of cargo combination options, better weight arrangement, and climb rate.
It is also important WS10, WS20, and future civilian turbofan will provide Chinese aviation industry a reliable powerplant family to build on, not only support new aircraft designs, but also as a starting point of the latest generation turbofan engines. It is believed that next generation fighter jet engine WS-15 is already in test flights, and WS-20 successor is in design stage.
Y-20s with D30 engines have been carrying out various overseas missions, the latest one is humanitarian flight to Tonga. And also military exercise in Russia. Troops and heavy equipment were shipped by Y-20 to European part of Russia.

Photo and video: Wiki common, Zhongguohangkong site, Weibo Yangwuxianquzhangzhidong

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