Merlin 1A

E17423

Merlin 1A is the first-generation liquid-fueled rocket engine developed by SpaceX for early Falcon 1 launches.

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Statements (38)

Predicate Object
instanceOf liquid-fueled rocket engine
rocket engine
burnType storable kerosene and cryogenic oxygen
chamberPressure about 6 MPa
coolingMethod regenerative cooling
countryOfOrigin United States of America
surface form: United States
designedBy SpaceX
surface form: SpaceX propulsion team
designedForReusability no
developer SpaceX
engineCycle gas-generator cycle
failureCauseOnFirstFlight fuel leak and fire
failureOnFirstFlight yes
family Rolls-Royce Merlin
surface form: Merlin engine family
firstFlightDate 2006-03-24
firstFlightVehicle Falcon 1 rocket
surface form: Falcon 1 Flight 1
fuel RP-1
generation first-generation Merlin engine
gimbalCapability yes
manufacturer SpaceX
mountingConfiguration single-engine first stage
nozzleExtensionCooling ablative cooling
oxidizer liquid oxygen
primaryStructureMaterial metallic alloys
propellantType liquid
replacedBy Merlin 1C
specificImpulseSeaLevel about 256 s
specificImpulseVacuum about 304 s
status retired
successorEngineUsedOnFalcon1 Merlin 1C
throttleCapability limited
thrustSeaLevel about 320 kN
thrustSeaLevel_lbf about 71,000 lbf
thrustVacuum about 340 kN
thrustVacuum_lbf about 76,000 lbf
usedFor orbital launch vehicle propulsion
usedInProgram Falcon 1 rocket
surface form: Falcon 1 program
usedOn Falcon 1 rocket
surface form: Falcon 1
usedOnStage Falcon 1 rocket
surface form: Falcon 1 first stage

Referenced by (3)

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

subject surface form: Falcon 1
Kestrel relatedEngine Merlin 1A
Merlin 1C replacedEngine Merlin 1A