LR-87

E135178

liquid-fueled rocket engine

The LR-87 is a powerful American liquid-fueled rocket engine, originally developed by Aerojet for the Titan family of launch vehicles and used in various configurations for both military and space missions.

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All labels observed (8)

Label	Occurrences
LR-87 canonical	2
LR-87-3	1
LR-87-5	1
LR-87-AJ-11	1
LR-87-AJ-5	1
LR-87-AJ-7	1
LR-87-AJ-9	1
LR87-7	1

Statements (47)

Predicate	Object
instanceOf	liquid-fueled rocket engine ⓘ
combustionChambers	2 ⓘ
configuration	twin-chamber engine ⓘ
countryOfOrigin	United States of America ⓘ surface form: United States
developedBy	Aerojet Rocketdyne ⓘ surface form: Aerojet General Corporation
developedFor	Titan rocket family ⓘ surface form: Titan I launch vehicle Titan II launch vehicle ⓘ Titan IIIC ⓘ surface form: Titan III launch vehicle Titan IV launch vehicle ⓘ
engineCycle	gas-generator cycle ⓘ
era	Cold War ⓘ
gimbalCapability	yes ⓘ
hasVariant	LR-87 self-linksurface differs ⓘ surface form: LR-87-3 LR-87 self-linksurface differs ⓘ surface form: LR-87-5 LR-87-7 ⓘ LR-87 self-linksurface differs ⓘ surface form: LR-87-AJ-11 LR-87 self-linksurface differs ⓘ surface form: LR-87-AJ-5 LR-87 self-linksurface differs ⓘ surface form: LR-87-AJ-7 LR-87 self-linksurface differs ⓘ surface form: LR-87-AJ-9
laterOxidizer	nitrogen tetroxide ⓘ
laterPropellants	Aerozine 50 ⓘ
manufacturer	Aerojet Rocketdyne ⓘ surface form: Aerojet
notableUse	Gemini program launches (Titan II GLV) ⓘ
originalOxidizer	liquid oxygen ⓘ
originalPropellants	RP-1 ⓘ
primaryRole	launch vehicle first-stage propulsion ⓘ
propellantFeedSystem	turbopump-fed ⓘ
propellantType	liquid propellant ⓘ
status	retired ⓘ
thrustAtSeaLevel_kN	approximately 1800 ⓘ
thrustInVacuum_kN	approximately 1900 ⓘ
thrustPhase	first stage ⓘ
usedAs	booster engine ⓘ first-stage engine ⓘ
usedBy	NASA ⓘ United States Air Force ⓘ
usedFor	military missions ⓘ space launch missions ⓘ
usedIn	Titan rocket family ⓘ surface form: Titan family of launch vehicles
usedOn	Titan IIIC ⓘ surface form: Titan 34D Titan II GLV ⓘ Titan II ICBM ⓘ Titan IIIA ⓘ Titan IIIC ⓘ Titan IIIC ⓘ surface form: Titan IIID Titan IIIE ⓘ Titan IV ⓘ

Referenced by (9)

Full triples — surface form annotated when it differs from this entity's canonical label.

Titan IIIE → firstStageEngineType → LR-87 ⓘ

Titan II GLV → firstStageEngineType → LR-87 ⓘ

this entity surface form: LR87-7