China Flies First Large Turbofan
The first flight test example of the WS-20 turbofan is seen on the port inboard pylon of an Il-76 testbed. (Photo: via Chinese Internet)
The first flight test example of the WS-20 turbofan is seen on the port inboard pylon of an Il-76 testbed. (Photo: via Chinese Internet)

Photos have appeared on Chinese websites of an Ilyushin Il-76 testbed fitted with a large high-bypass-ratio turbofan under the port inner pylon. The engine is believed to be the WS-20 (also reported as WS-118), which is under development as a possible powerplant for the Xian Y-20 airlifter. The prototype Y-20s, the first of which flew on January 26 last year, are powered by the NPO Saturn D-30KP-2 imported from Russia. This engine is also used by the Il-76 itself, and by China’s H-6K missile-carrying bomber.

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