YF-100

The YF-100 is currently China's most powerful LOX & kerosene rocket engine. Development began in the 2000s, with testing directed by the China National Space Administration (CNSA) commencing in 2005. The engine had been successfully tested by mid-2007.

Specifications

• Vacuum thrust: 1,366 kN (307,000 lbf)
• Vacuum specific impulse: 336 s (336 lbf·s/lb; 3.3 kN·s/kg)
• Sea level thrust: 1,223.5 kN (275,100 lbf)
• Sea level specific impulse: 300 s (300 lbf·s/lb; 2.9 kN·s/kg)
• Burn time: 155 s (estimated)
• Engine weight: TBA
• Exit to throat area ratio: TBA
• Propellants: LOX & kerosene
• Mixture ratio: 2.70

• Design: TBA
• Diameter: TBA
• Chambers: TBA
• Chamber pressure: TBA
• Thrust to weight ratio: TBA
• Restartable: TBA

• Contractor: China Academy of Aerospace Liquid Propulsion Technology
• Vehicle Application: Long March / CZ-5
• Status: in Development

References

• Space Launch Report