RD-171
E762097
The RD-171 is a powerful Russian liquid-fueled rocket engine, notable for being one of the most thrust-capable multi-chamber engines ever used in orbital launch vehicles.
Observed surface forms (5)
| Surface form | Occurrences |
|---|---|
| RD-170 | 1 |
| RD-170 family | 1 |
| RD-170 rocket engine | 1 |
| RD-171 rocket engine | 1 |
| RD-171M | 1 |
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf | liquid-fueled rocket engine ⓘ |
| application | first-stage propulsion ⓘ |
| category | orbital launch vehicle engine ⓘ |
| chamberPressure_bar | ~245 ⓘ |
| combustionChamberArrangement | clustered around central turbopump ⓘ |
| combustionType | closed-cycle ⓘ |
| coolingMethod | regenerative cooling ⓘ |
| countryOfOrigin | Russia ⓘ |
| derivedFrom | RD-170 NERFINISHED ⓘ |
| designBureau | NPO Energomash NERFINISHED ⓘ |
| developedBy | NPO Energomash NERFINISHED ⓘ |
| engineCycle | oxidizer-rich staged combustion ⓘ |
| family | RD-170 engine family NERFINISHED ⓘ |
| fuel | RP-1 kerosene ⓘ |
| fuelMixtureRatio_OxToFuel | ~2.6 ⓘ |
| hasGimbalRange | several degrees per chamber ⓘ |
| hasSuccessor | RD-171MV NERFINISHED ⓘ |
| hasVariant |
RD-171M
NERFINISHED
ⓘ
RD-171MV NERFINISHED ⓘ |
| ignitionSystem | pyrophoric ignition ⓘ |
| introducedInDecade | 1980s ⓘ |
| isGimballed | true ⓘ |
| isMultiChamberEngine | true ⓘ |
| isReusable | no ⓘ |
| mountingConfiguration | single engine with four nozzles ⓘ |
| notableFor |
one of the most powerful liquid rocket engines ever flown
ⓘ
very high sea-level thrust ⓘ |
| numberOfCombustionChambers | 4 ⓘ |
| oxidizer | liquid oxygen ⓘ |
| propellantType |
kerosene (RP-1)
ⓘ
liquid oxygen (LOX) ⓘ |
| specificImpulseSeaLevel_s | ~309 ⓘ |
| specificImpulseVacuum_s | ~337 ⓘ |
| stage | first stage ⓘ |
| status | operational ⓘ |
| throttleCapability | limited throttling ⓘ |
| thrustAtSeaLevel_kN | ~7400 ⓘ |
| thrustInVacuum_kN | ~7900 ⓘ |
| usedBy |
Russian space program
NERFINISHED
ⓘ
Sea Launch NERFINISHED ⓘ Soviet space program NERFINISHED ⓘ |
| usedFor | orbital launch vehicles ⓘ |
| usedOnLaunchVehicle |
Zenit-2
NERFINISHED
ⓘ
Zenit-3F NERFINISHED ⓘ Zenit-3SL NERFINISHED ⓘ Zenit-3SLB NERFINISHED ⓘ |
| usedOnRocketFamily | Zenit family NERFINISHED ⓘ |
| usesCommonTurbopump | true ⓘ |
| usesTurbopumps | true ⓘ |
Referenced by (7)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
RD-171M
this entity surface form:
RD-170 rocket engine
this entity surface form:
RD-171 rocket engine
this entity surface form:
RD-170
this entity surface form:
RD-170 family