YF-2

home topic index

Engine Model: YF-2A. Designer: Beijing Wan Yuan. Propellants: Nitric acid/UDMH. Thrust(vac): 306.100 kN (68,814 lbf). Thrust(sl): 275.300 kN (61,890 lbf). Isp: 268 sec. Isp (sea level): 241 sec. Burn time: 130 sec. Diameter: 0.56 m (1.85 ft). Chambers: 1. Chamber Pressure: 71.00 bar. Area Ratio: 10.00. Thrust to Weight Ratio: 0.00. Country: China. Status: Out of production. First Flight: 1969. Last Flight: 2002. Flown: 32. YF-2 used on Rocket Stages Used on stage: CZ-YF-2. on launch vehicle: CZ-1. Used on stage: CZ-YF-2. on launch vehicle: DF-3. Used on stage: CZ-YF-2. on launch vehicle: DF-4. Used on stage: CZ-YF3. on launch vehicle: CZ-1. Used on stage: CZ-YF3. on launch vehicle: DF-4. Contact us with any corrections, additions, or comments. Conditions for use of drawings, pictures, or other materials from this site.. To contact astronauts or cosmonauts. © Mark Wade, 1997 - 2008 except where otherwise noted.