|
gptkbp:instanceOf
|
piston engine
|
|
gptkbp:combustionChambers
|
1
|
|
gptkbp:countryOfOrigin
|
gptkb:United_States
|
|
gptkbp:cycle
|
gas-generator cycle
|
|
gptkbp:diameter
|
2.41 m
|
|
gptkbp:firstFlight
|
1966
|
|
gptkbp:fuelType
|
liquid hydrogen
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
J-2 engine
|
|
gptkbp:length
|
3.87 m
|
|
gptkbp:manufacturer
|
gptkb:Rocketdyne
|
|
gptkbp:numberOfEnginesOnSaturnIBSecondStage
|
1
|
|
gptkbp:numberOfEnginesOnSaturnVSecondStage
|
5
|
|
gptkbp:numberOfEnginesOnSaturnVThirdStage
|
1
|
|
gptkbp:oxidizer
|
liquid oxygen
|
|
gptkbp:propulsion
|
gptkb:water
|
|
gptkbp:restartable
|
yes
|
|
gptkbp:specificImpulseVacuum
|
200 s
421 s
|
|
gptkbp:status
|
retired
|
|
gptkbp:successor
|
gptkb:J-2X_engine
|
|
gptkbp:thrustSeaLevel
|
486.2 kN
|
|
gptkbp:thrustVacuum
|
1,033 kN
|
|
gptkbp:usedFor
|
gptkb:Apollo_program
Skylab launch
|
|
gptkbp:usedIn
|
gptkb:Saturn_IB
gptkb:Saturn_V
Apollo Lunar missions
|
|
gptkbp:usedOnStage
|
gptkb:Saturn_IB_S-IVB
gptkb:Saturn_V_S-II
gptkb:Saturn_V_S-IVB
|
|
gptkbp:weight
|
1,788 kg
|
|
gptkbp:bfsParent
|
gptkb:J-2X
gptkb:Apollo_program_(heritage_engines)
gptkb:J-2X_engine
|
|
gptkbp:bfsLayer
|
6
|