RS-2200

RS-2200
Linear aerospike test firing
Country of originUnited States
Date1990's
DesignerRocketdyne
ApplicationVentureStar
PredecessorXRS-2200
StatusDevelopment Canceled
Liquid-fuel engine
PropellantLOX / LH2
Configuration
Nozzle ratio173:1
Performance
Thrust, vacuum2,201 kN (495,000 lbf)
Thrust, sea-level1,917 kN (431,000 lbf)
Thrust-to-weight ratio83:1
Chamber pressure155 bar (2,250 psi)
Specific impulse, vacuum455 seconds
Specific impulse, sea-level347 seconds
Dimensions
MeasurementForward End: 6.4 m (250 in) wide, 2.4 m (94 in) long

Aft End: 2.4 m (94 in) wide, 2.4 m (94 in) long

Forward to Aft: 4.3 m (170 in)

The Rocketdyne RS-2200 was an experimental linear aerospike rocket engine developed by Rocketdyne for Lockheed Martin's VentureStar program. The program was ultimately cancelled in 2001 before any RS-2200 engines were assembled.