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astronautix.com YF-2A


Designer: Beijing Wan Yuan Industry Corp. Used on stages: CZ-1-1, CZ-1-2. Used on launch vehicles: CZ-1, CZ-1C, CZ-1D, CZ-1M. Propellants: Nitric acid/UDMH Thrust(vac): 31,218 kgf. Thrust(vac): 306.10 kN. Isp: 268 sec. Isp (sea level): 241 sec. Burn time: 130 sec. Diameter: 0.6 m. Chambers: 1. Chamber Pressure: 71.00 bar. Area Ratio: 10.00. Thrust to Weight Ratio: 0.00. Country: China. Status: In Production. First Flight: 1970. Last Flight: 1995. Flown: 19.
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Last update 12 March 2001.
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© Mark Wade, 2001 .