LE-9
E418620
The LE-9 is a next-generation liquid hydrogen–liquid oxygen rocket engine developed by Japan’s JAXA and Mitsubishi Heavy Industries for the core stage of the H3 launch vehicle, emphasizing high efficiency and cost-effective, reliable operation.
All labels observed (1)
| Label | Occurrences |
|---|---|
| LE-9 canonical | 3 |
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf |
liquid-propellant rocket engine
ⓘ
rocket engine ⓘ |
| agency | JAXA NERFINISHED ⓘ |
| application |
Japanese commercial launches
ⓘ
Japanese governmental missions ⓘ |
| chamberPressure_bar | about 100 ⓘ |
| countryOfOrigin | Japan ⓘ |
| cycleSubtype | expander bleed–like simplified staged combustion ⓘ |
| cycleType | staged combustion cycle ⓘ |
| designFeature |
gimbal capability for thrust vector control
ⓘ
hydrogen-rich staged combustion ⓘ integrated engine and nozzle structure ⓘ simplified turbomachinery ⓘ single-shaft turbopump configuration ⓘ |
| designGoal |
cost reduction
ⓘ
ease of manufacturing ⓘ high efficiency ⓘ high reliability ⓘ |
| developer |
Japan Aerospace Exploration Agency
ⓘ
surface form:
JAXA
Japan Aerospace Exploration Agency ⓘ |
| firstHotFireTests | 2010s ⓘ |
| industrialPartner | Mitsubishi Heavy Industries ⓘ |
| intendedStage | core stage ⓘ |
| intendedVehicle | H3 launch vehicle ⓘ |
| manufacturer | Mitsubishi Heavy Industries ⓘ |
| mixtureRatio_OxToFuel | about 6 ⓘ |
| nozzleExpansionRatio | about 60 ⓘ |
| numberOfEnginesOnCoreStage | 2 or 3 depending on configuration ⓘ |
| oxidizer | liquid oxygen ⓘ |
| predecessor | LE-7A ⓘ |
| program |
H3 launch vehicle
ⓘ
surface form:
H3 Launch Vehicle Program
|
| propellant | liquid hydrogen ⓘ |
| propellantFeedSystem | turbopump-fed ⓘ |
| propellantType | cryogenic ⓘ |
| specificImpulseSeaLevel_s | about 360 ⓘ |
| specificImpulseVacuum_s | about 425 ⓘ |
| status |
in development
ⓘ
test phase ⓘ |
| thrustSeaLevel_kN | about 1100 ⓘ |
| thrustVacuum_kN | about 1500 ⓘ |
| usedOn |
H3-22 configuration
ⓘ
H3-24 configuration ⓘ |
| uses |
interplanetary mission support via H3
ⓘ
orbital launch ⓘ satellite launch ⓘ |
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.