Space Shuttle Main Engine

URI: https://gptkb.org/entity/Space_Shuttle_Main_Engine

GPTKB entity

Statements (51)

Predicate	Object
gptkbp:instanceOf	piston engine
gptkbp:alsoKnownAs	gptkb:SSME gptkb:RS-25
gptkbp:burnTimePerMission	about 520 seconds
gptkbp:chamberPressure	207 bar
gptkbp:combustionChambers	1
gptkbp:countryOfOrigin	gptkb:United_States
gptkbp:culturalHeritage	derived from J-2 engine technology
gptkbp:cycle	staged combustion
gptkbp:diameter	2.39 m
gptkbp:engineBellMaterial	nickel-based superalloy
gptkbp:engineType	liquid-fueled
gptkbp:firstFlight	gptkb:STS-1 April 12, 1981
gptkbp:gimbalRange	10.5 degrees
gptkbp:hasModel	2001 to 2060
https://www.w3.org/2000/01/rdf-schema#label	Space Shuttle Main Engine
gptkbp:ignition	pyrotechnic initiator
gptkbp:length	4.24 m
gptkbp:mainContractor	gptkb:Aerojet_Rocketdyne
gptkbp:manufacturer	gptkb:Rocketdyne
gptkbp:maxChamberPressure	217 bar
gptkbp:maxSpecificImpulseSeaLevel	366 seconds
gptkbp:maxSpecificImpulseVacuum	452.3 seconds
gptkbp:maxThrustVacuum	2,279 kN
gptkbp:nozzleExpansionRatio	77.5
gptkbp:numberBuilt	46
gptkbp:numberOfEnginesPerShuttle	3
gptkbp:operatingSystem	3,300 °C
gptkbp:oxidizer	6:1
gptkbp:propulsion	liquid oxygen liquid hydrogen
gptkbp:reusable	yes
gptkbp:specificImpulseVacuum	366 seconds 452 seconds
gptkbp:status	in service
gptkbp:thrustSeaLevel	1,669 kN
gptkbp:thrustVacuum	1,859 kN
gptkbp:turbopumpCount	2
gptkbp:usedIn	STS-1 to STS-135 missions
gptkbp:usedOn	gptkb:satellite gptkb:Artemis_II gptkb:Space_Launch_System gptkb:Space_Launch_System_core_stage gptkb:Artemis_III gptkb:Space_Shuttle gptkb:Artemis_I
gptkbp:weight	3,177 kg
gptkbp:bfsParent	gptkb:Space_Shuttle gptkb:Stennis_Space_Center
gptkbp:bfsLayer	5