Merlin 1D

E36032

Merlin 1D is a liquid-fueled rocket engine developed by SpaceX, known for powering the first stage of the Falcon 9 launch vehicle with high thrust and reusability.

Jump to: Surface forms Statements Referenced by

Observed surface forms (3)

Surface form Occurrences
Merlin Vacuum 2
27 Merlin 1D 1
Merlin 1D Vacuum 1

Statements (50)

Predicate Object
instanceOf liquid-fueled rocket engine
rocket engine
application commercial space launch
government space missions
chamberPressure_bar approximately 97
configuration nine engines per Falcon 9 first stage
coolingMethod regenerative cooling
countryOfOrigin United States of America
surface form: United States
cycleType gas-generator cycle
designGoal high reliability
high thrust-to-weight ratio
low cost
reusability
developer SpaceX propulsion team
era 21st century rocket engine
family Merlin engine family
firstFlightVehicle Falcon 9 rocket
surface form: Falcon 9 v1.1
fuel RP-1 kerosene
gimbalRange gimbaled for thrust vector control
ignitionSystem TEA-TEB pyrophoric ignition
industry aerospace
manufacturer SpaceX
mounting octaweb engine arrangement on Falcon 9
notableFeature enables propulsive landing of Falcon 9 first stages
nozzleMaterial niobium alloy for vacuum variant
oxidizer liquid oxygen
predecessor Merlin 1C
propellantCombination LOX/RP-1
propellantType liquid
reusability designed for multiple restarts
used on reusable Falcon 9 boosters
specificImpulseSeaLevel_s approximately 282
specificImpulseVacuum_s approximately 311
status operational
throttleCapability deep throttling
thrustSeaLevel_kN approximately 654
thrustVacuum_kN approximately 756
thrustVectorControl hydraulic gimbal system
usedBy SpaceX
surface form: SpaceX launch services
usedFor orbital launch vehicles
payload delivery to geostationary transfer orbit
payload delivery to low Earth orbit
usedIn Falcon 9 rocket
surface form: Falcon 9 Block 5

Falcon 9 rocket
surface form: Falcon 9 Full Thrust

Falcon 9 rocket
surface form: Falcon 9 first stage

Falcon 9 rocket
surface form: Falcon 9 v1.1

Falcon Heavy rocket
surface form: Falcon Heavy center core

Falcon Heavy rocket
surface form: Falcon Heavy side boosters
variant Merlin 1D self-linksurface differs
surface form: Merlin 1D Vacuum

Merlin 1D sea-level

Referenced by (7)

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

subject surface form: Falcon 9
subject surface form: Falcon 9
this entity surface form: Merlin Vacuum
subject surface form: Falcon Heavy
this entity surface form: 27 Merlin 1D
Merlin 1C successor Merlin 1D
Falcon rocket family usesEngine Merlin 1D
Falcon rocket family usesEngine Merlin 1D
this entity surface form: Merlin Vacuum
Merlin 1D variant Merlin 1D self-linksurface differs
this entity surface form: Merlin 1D Vacuum