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YF-75
Beijing Wan Yuan LOx/LH2 rocket engine. In development. Gas-generator turbopump. Gimbaled engine. First flight 1994.

Status: In development. Number: 34 . Thrust: 78.50 kN (17,648 lbf). Specific impulse: 440 s. Burn time: 470 s. Diameter: 1.50 m (4.90 ft).

Chamber Pressure: 37.60 bar. Area Ratio: 80. Thrust to Weight Ratio: 0. Oxidizer to Fuel Ratio: 5. Restarts: 2.

Country: China. Spacecraft: CZ H-18. Launch Vehicles: Chang Zheng 3A, Chang Zheng 3B, CZ-NGLV-320, CZ-NGLV-522/HO, Chang Zheng 3C, CZ-NGLV-504/HO, CZ-NGLV-540/HO. Propellants: Lox/LH2. Stages: CZ H-18 stage, CZ-NGLV-HO. Agency: Beijing Wan Yuan.
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