Rutherford engine

E435891

The Rutherford engine is a small, electric-pump-fed liquid rocket engine developed by Rocket Lab for its Electron launch vehicle, notable for being 3D-printed and highly efficient for small-satellite launches.

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All labels observed (2)

Label Occurrences
Rutherford engine canonical 1
electric-pump-fed Rutherford engine 1

Statements (46)

Predicate Object
instanceOf liquid rocket engine
rocket engine
application small-satellite launches
associatedLaunchSite Rocket Lab Launch Complex 1 NERFINISHED
Rocket Lab Launch Complex 2 NERFINISHED
associatedProgram Electron program
chamberPressure about 10 MPa
combustionCycle gas-generator-like electric-pump cycle
countryOfOrigin New Zealand NERFINISHED
United States of America
surface form: United States
cycleType electric-pump-fed
developer Rocket Lab NERFINISHED
firstFlightDate 2017
firstFlightVehicle Electron NERFINISHED
ignitionSystem spark ignition
innovation first electric-pump-fed engine used on an orbital rocket
launchProvider Rocket Lab NERFINISHED
manufacturer Rocket Lab NERFINISHED
manufacturingMethod 3D printing
marketSegment small satellite launch market
materialUse additively manufactured metal alloys
namedAfter Ernest Rutherford NERFINISHED
notableFeature battery-powered pumps
designed for high production rate
fully 3D-printed primary components
nozzleExpansionRatio about 100
numberPerFirstStage 9
numberPerSecondStage 1
oxidizer liquid oxygen
propellantFeedSystem electric pump
propellantType RP-1 kerosene
liquid oxygen
reusability designed for expendable use
specificImpulseSeaLevel about 311 s
specificImpulseVacuum about 327 s
stageUsage Electron first stage
Electron second stage
status operational
throttleCapability limited
thrustSeaLevel about 24 kN
thrustVacuum about 25 kN
usedBy Electron launch vehicle NERFINISHED
usedFor commercial small payloads
orbital launch
uses electric turbopumps
vehicleClass small-lift launch vehicle

Referenced by (2)

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

RP-1 usedInEngine Rutherford engine
Rocket Lab technology Rutherford engine
this entity surface form: electric-pump-fed Rutherford engine