YF-3 Designer: Beijing Wan Yuan Industry Corp. Propellants: N2O4/UDMH. Thrust(vac): 294.000 kN (66,093 lbf). Thrust(sl): 266.300 kN (59,867 lbf). Isp: 287 sec. Isp (sea level): 260 sec. Burn time: 120 sec. Diameter: 2.25 m (7.38 ft). Chambers: 1. Thrust to Weight Ratio: 0.00. Country: China. Status: Out of production. First Flight: 1995. Last Flight: 2002. Flown: 3.00. YF-3 used on Rocket Stages Used on stage: CZ-1D-2. on launch vehicle: CZ-1D.                   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 - 2007 except where otherwise noted.

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