Beijing Wan Yuan N2O4/UDMH rocket engine. In production. Cluster of YF-25 and 4 x YF-23 verniers. First stage engine for CZ-2D, CZ-2E, CZ-2E(A), CZ-3A, CZ-3B, CZ-3C, CZ-4A. First flight 1988.
Status: In production. Number: 32 . Thrust: 831.00 kN (186,816 lbf). Specific impulse: 295 s. Specific impulse sea level: 260 s. Burn time: 295 s. Diameter: 3.35 m (10.99 ft).
Thrust (sl): 732.400 kN (164,650 lbf). Thrust (sl): 74,685 kgf. Chamber Pressure: 71.00 bar. Area Ratio: 10.
Family:
Storable liquid.
Country:
China.
Launch Vehicles:
Chang Zheng 4,
Chang Zheng 2E,
Chang Zheng 2D,
Chang Zheng 3A,
Chang Zheng 3B,
Chang Zheng 2E(A),
Chang Zheng 3C.
Propellants:
N2O4/UDMH.
Stages:
CZ-2E-2,
CZ-3A-2,
CZ-4A-2.
Agency:
Beijing Wan Yuan.