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YF-2A
Part of YF-1 Family
Beijing Wan Yuan Nitric acid/UDMH rocket engine. Out of production. Used on CZ-1, CZ-1C, CZ-1D, CZ-1M. First flight 1969.

Status: Out of production. Number: 32 . Thrust: 306.10 kN (68,814 lbf). Specific impulse: 268 s. Specific impulse sea level: 241 s. Burn time: 130 s. Diameter: 0.56 m (1.85 ft).

Thrust (sl): 275.300 kN (61,890 lbf). Thrust (sl): 28,073 kgf. Chamber Pressure: 71.00 bar. Area Ratio: 10. Thrust to Weight Ratio: 0. Coefficient of Thrust vacuum: 1.50569884121406. Coefficient of Thrust sea level: 1.36485377079152.



Family: Storable liquid. Country: China. Launch Vehicles: Chang Zheng 1, Chang Zheng 1M, Chang Zheng 1C, Chang Zheng 1D. Propellants: Nitric acid/UDMH. Stages: CZ-1-2, CZ-YF-2. Agency: Beijing Wan Yuan.

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