YF-77 Rocket Engine Completes 500-Second Test

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The YF-77 rocket engine completed the fourth 500-second test on 8 January 2021, at CASC’s rocket engine test facility in Beijing, China. YF-77 is a high-thrust hydrogen/oxygen engine designed for the Long March-5B launch vehicle. The Long March-5B Y2 launch vehicle will launch the core module of China’s next space station.
Credit: China Central Television (CCTV)