Space Shuttle Main Engines

URI: https://gptkb.org/entity/Space_Shuttle_Main_Engines
GPTKB entity
Statements (52)
Predicate Object
gptkbp:instanceOf piston engine
gptkbp:alsoKnownAs gptkb:SSME
gptkbp:burnTime 510 seconds
gptkbp:combustionChambers 20.6 MPa
gptkbp:countryOfOrigin gptkb:United_States
gptkbp:cycle staged combustion
gptkbp:designation gptkb:RS-25
gptkbp:diameter 2.39 m
gptkbp:engineType liquid-fueled
gptkbp:firstFlight 1981
gptkbp:gimbalRange 10.5 degrees
gptkbp:hasModel S/N
https://www.w3.org/2000/01/rdf-schema#label Space Shuttle Main Engines
gptkbp:length 4.24 m
gptkbp:manufacturer gptkb:Rocketdyne
gptkbp:notableFeature high specific impulse
deep throttling capability
first reusable liquid-fueled rocket engine for human spaceflight
gptkbp:nozzleExpansionRatio 77.5
gptkbp:numberPerShuttle 3
gptkbp:predecessor RS-24
gptkbp:propulsion liquid oxygen
liquid hydrogen
gptkbp:restartable no
gptkbp:specificImpulseVacuum 452 seconds
363 seconds
gptkbp:status retired
gptkbp:successor gptkb:RS-25E
gptkbp:testFiringLocation gptkb:Stennis_Space_Center
gptkbp:throttleRange 67% to 109%
gptkbp:thrustSeaLevel 1,859 kN
gptkbp:thrustVacuum 2,279 kN
gptkbp:usedByAgency gptkb:NASA
gptkbp:usedIn gptkb:STS-1
gptkb:STS-135
gptkb:Artemis_program
gptkb:Space_Shuttle_program
gptkbp:usedInTestFacility gptkb:Stennis_Space_Center
gptkbp:usedInTestStand gptkb:B-2_Test_Stand
gptkb:A-1_Test_Stand
gptkb:A-2_Test_Stand
gptkb:B-1_Test_Stand
E Test Complex
Main Propulsion Test Article
Technology Test Bed
gptkbp:usedOn gptkb:Space_Launch_System
gptkb:Space_Shuttle
gptkbp:vehicleType gptkb:satellite
gptkb:Space_Launch_System_core_stage
gptkbp:weight 3,177 kg
gptkbp:bfsParent gptkb:Space_Shuttle_orbiter_aft_section
gptkbp:bfsLayer 7