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YF-20A
Part of YF-20 Family

Chinese Engine

Chinese Engine
Credit: Sven Grahn

Beijing Wan Yuan N2O4/UDMH rocket engine. Out of production. Boosted CZ-2A, CZ-2C, CZ-2E(A), CZ-3, FB-1. First flight 1972.

Status: Out of production. Number: 212 . Thrust: 750.20 kN (168,652 lbf). Specific impulse: 289 s. Specific impulse sea level: 259 s. Burn time: 132 s. Diameter: 0.84 m (2.75 ft).

Thrust (sl): 672.300 kN (151,139 lbf). Thrust (sl): 68,559 kgf. Chamber Pressure: 71.00 bar. Area Ratio: 10. Thrust to Weight Ratio: 0.



Family: Storable liquid. Country: China. Launch Vehicles: Feng Bao 1, Chang Zheng 2, Chang Zheng 2C, Chang Zheng 3, Chang Zheng 2E(A). Propellants: N2O4/UDMH. Stages: FB-1-1, CZ-2C-1, CZ-3-1. Agency: Beijing Wan Yuan.
Photo Gallery

Chinese EngineChinese Engine
Credit: Sven Grahn


Chinese EngineChinese Engine
Credit: Sven Grahn


Chinese EngineChinese Engine
Credit: Sven Grahn


Chinese EngineChinese Engine
Credit: Sven Grahn


FB-1 EngineFB-1 Engine



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