XRS-2200 Linear Aerospike Engine

(Boeing Rocketdyne)

Developed for the Lockheed Martin X-33, the XRS-2200 uses a linear aerospike arrangement instead of the classic bell nozzle.

XRS-2200

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 ????



































 

left pointing arrow SSME : LR87-AJ-11 right pointing arrow