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Boeing Rocketdyne

XRS-2200 Linear Aerospike Engine

Developed for the Lockheed Martin X-33, the XRS-2200 uses a linear aerospike arrangement instead of the classic bell nozzle. Perhaps we should put an explanation here... or maybe a picture. Picture goes here
Engine statistics
Specification
Applications X-33, and future developments
Propellants LOX/LH2
Thrust in Vacuum 261,200 lb
Thrust at Sea Level 206,200 lb
Isp in vacuum (s) 428.2
Isp at sea level 338.3
Mixture Ratio 5.5:1
Weight ???? (Integrated with vehicle)
Chamber Pressure 854 psia
Area Ratio 58
Engine Cycle ????
Pump Design Pressures ????