Engineering:Rocketdyne XRS-2200

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Short description: Aerospike rocket engine by Rocketdyne
XRS-2200
Twin Linear Aerospike XRS-2200 Engine PLW edit.jpg
Rocketdyne XRS-2200 hotfire test
Country of originUnited States
Date1999
DesignerRocketdyne
ManufacturerRocketdyne
ApplicationX-33
PredecessorJ-2S
StatusExperimental
Liquid-fuel engine
PropellantLOX / LH2
CycleGas Generator
Configuration
Nozzle ratio58:1
Performance
Thrust (vac.)1,184 kN (266,000 lbf)
Thrust (SL)909 kN (204,000 lbf)
Chamber pressure58 bar (840 psi)
Isp (vac.)439 seconds (4.31 km/s)
Isp (SL)339 seconds (3.32 km/s)
Dimensions
Length2.01 m (6 ft 7 in)

The Rocketdyne XRS-2200 was an experimental linear aerospike engine developed in the mid-1990s for the Lockheed Martin X-33 program.[1][2][3] The design was based on the J-2S, the upgraded version of the Apollo era J-2 engine developed in the 1960s. The XRS-2200 used the J-2's combustion cycle and propellant choice.[4]

Rocketdyne intended to develop the subscale XRS-2200 into the RS-2200 for use on the VentureStar. While the X-33 program was cancelled, two XRS-2200 engines were produced and tested.[5]

References