Specifications

• Vacuum thrust: 44.15 kN
• Vacuum specific impulse: 420 s
• Burn time: 800 s
• Engine weight: 236 kg
• Exit to Throat Area ratio: 40 to 1
• Propellants: LOX
  Lox
  Lox is salmon fillet that has been cured. In its most popular form, it is thinly sliced—less than in thickness—and, typically, served on a bagel, often with cream cheese, onion, tomato, cucumber and capers...
  
   & LH2
• Mixture ratio: 5.00

• Design: Gas-generator cycle
  Gas-generator cycle (rocket)
  The gas generator cycle is a power cycle of a bipropellant rocket engine. Some of the propellant is burned in a gas-generator and the resulting hot gas is used to power the engine's pumps. The gas is then exhausted...
  
  
• Height: 1.44 m
• Diameter: 2.2 m
• Chambers: 4
• Chamber Pressure: 25.90 bar
• Thrust to Weight Ratio: 18.70(total)
• Restartable: Yes (1 time)

• Contractor: CALT
  China Academy of Launch Vehicle Technology
  The China Academy of Launch Vehicle Technology is the premier space launch vehicle manufacturer in China and one of the major launch service providers in the world. CALT is a subordinate of the larger China Aerospace Science and Technology Corporation...
  
  
• Vehicle Application: Long March
  Long March rocket
  A Long March rocket or Chang Zheng rocket as in Chinese pinyin is any rocket in a family of expendable launch systems operated by the People's Republic of China. Development and design falls under the auspices of the China Academy of Launch Vehicle Technology...
  
    / CZ-3 - 3rd stage
• Flown: 13 times
• Status: Retired