Cosmoleap's Qingyu-11 Methane Engine Valves Pass Full-Condition Tests

Chinese startup Cosmoleap said the valves for its 150-ton-class liquid oxygen-methane engine Qingyu-11 completed full-condition ground testing with all performance targets met. The engine is designed for at least 50 reuses, a vacuum specific impulse above 350 seconds and 30–105% throttling.

• Qingyu-11 valves passed cryogenic, vibration and high-pressure sealing tests
• Engine rated for 50 reuses and at least three ignitions per flight
• Vacuum specific impulse above 350 seconds, throttling range 30–105%
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