Science

Rocket Engines

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Source:Wikipedia
Updated:2/22/2026
#rockets#engines#space#propulsion
40 of 85
Name↕
Engine↕
Origin↕
Designer↕
Vehicle↕
Status↕
Use↕
Propellant↕
Power cycle↕
Specific impulse (s)↕
Thrust (N)↕
Chamber pressure (bar)↕
Mass (kg)↕
Thrust:​weight ratio↕
Oxidizer:​fuel ratio↕
Aeon-R
Aeon-RUSARelativity SpaceTerran RDevelopment1st, 2ndCH4 / LOXGas generator1,147,000
AJ10-190
AJ10-190USAAerojetSpace Shuttle, Orion, Apollo CSMActiveUpperN2O4 / MMHPressure-fed31626,6898.6211823.08
Aquila SL
Aquila SLGermanyIsar AerospaceSpectrumDevelopment1stC3H8 / LOXGas generator75,000
Aquila VAC
Aquila VACGermanyIsar AerospaceSpectrumDevelopment2ndC3H8 / LOXGas generator94,000
Archimedes
ArchimedesNew Zealand USARocket LabNeutronDevelopment1st, 2ndCH4 / LOXStaged, oxidizer-rich730,000
BE-3U
BE-3UUSABlue OriginNew GlennActive2ndLH2 / LOXExpander, open445941,500>90
BE-4
BE-4USABlue OriginNew Glenn, VulcanActive1stCH4 / LOXStaged, oxidizer-rich3402,846,900138
BE-7
BE-7USABlue OriginBlue MoonDevelopment1stLH2 / LOXExpander, open44,5005.5-7.1
CE-20
CE-20IndiaLPSCGSLV Mk IIIActiveUpperLH2 / LOXGas generator434196,5006058834.15.05
CE-7.5
CE-7.5IndiaLPSCGSLV Mk IIActiveUpperLH2 / LOXStaged, fuel-rich45473,5005844516.85
E2
E2USAABL Space SystemsRS1Active1stRP-1 / LOX // Jet-A / LOXGas generator53,80064
E2 Vacuum
E2 VacuumUSAABL Space SystemsRS1Active2ndRP-1 / LOX // Jet-A / LOXGas generator57,800
Engine-2
Engine-2USAVastTBADevelopment1stRP-1 / LOXStaged, oxidizer-rich327 290 (SL)100,0001002.62
Engine-2 Vacuum
Engine-2 VacuumUSAVastTBADevelopment2ndRP-1 / LOXStaged, oxidizer-rich365100,0002.62
GEM 63
GEM 63USANorthrop GrummanAtlas VActiveBoosterHTPBSolid fuel279.061,662,74549,300 with fuel
GEM 63XL
GEM 63XLUSANorthrop GrummanVulcanActiveBoosterHTPBSolid fuel280.32,025,72053,400 with fuel
Hadley
HadleyUSAUrsa Major TechnologiesRocket 4Active2ndRP-1 / LOXStaged, oxidizer-rich22,241 (SL)62
Helix
HelixGermanyRocket Factory AugsburgRFA OneDevelopment1st, 2ndRP-1 / LOXStaged, oxidizer-rich350,325 (SL)100,000100
HyPER-15
HyPER-15South KoreaInnospaceHanbit-Nano, -Micro, -MiniDevelopment1stParaffin / LOXElectric pump292150,000
LE-5B-3
LE-5B-3JapanMitsubishi, JAXAH-3ActiveUpperLH2 / LOXExpander, open447137,0003626951.935
LE-9
LE-9JapanMitsubishi, JAXAH-3Active1stLH2 / LOXExpander, open4251,471,0001002,40062.55.9
Lightning 1
Lightning 1USAFirefly AerospaceAlphaActive2ndRP-1 / LOXCombustion tap-off32270,100
M10
M10EuropeAvioVega-EDevelopmentUpperCH4 / LOXExpander, closed36298,0003.4
Merlin 1D FT
Merlin 1D FTUSASpaceXFalcon 9 B5, HeavyActive1stRP-1 / LOXGas generator311914,000 845,000 (SL)108470194.5
Merlin Vacuum 1D
Merlin Vacuum 1DUSASpaceXFalcon 9 B5, HeavyActive2ndRP-1 / LOXGas generator348981,0002.36
Miranda
MirandaUSAFirefly AerospaceAntares 300 Series, MLVDevelopment1stRP-1 / LOXCombustion tap-off3051,023,000
NK-33A (AJ26-62), 11Д111 / 14Д15
NK-33A (AJ26-62), 11Д111 / 14Д15Soviet UnionJSC KuznetsovAntares 100, Soyuz-2-1vRetired1stRP-1 / LOXStaged, oxidizer-rich331297 (SL)1,680,000 1,510,000 (SL)1451,222136.8
P120
P120Italy FranceAvioAriane 6, Vega-CActiveBooster, 1stHTPBSolid fuel2794,650,000105153,000 with fuel
Raptor
RaptorUSASpaceXStarshipDevelopment1st, 2ndCH4 / LOXStaged, full-flow350 327 (SL)2,750,000 (SL)3501,5251843.6
Raptor Vacuum
Raptor VacuumUSASpaceXStarshipDevelopment2ndCH4 / LOXStaged, full-flow380 est.>2,750,000350>1,525<1843.6
RD-0124, 14Д23
RD-0124, 14Д23RussiaKBKhASoyuz-2.1b, Soyuz-2-1v, AngaraActive2nd, 3rdRP-1 / LOXStaged, oxidizer-rich359294,30016052057.7
RD-0146D
RD-0146DRussiaKBKhAAngaraDevelopmentUpperLH2 / LOXExpander, closed47068,60059
RD-107A, 14Д22
RD-107A, 14Д22RussiaNPO EnergomashSoyuz-FG, -2Active1stRP-1 / LOXGas generator320.2 263.3 (SL)1,019,892 839,449 (SL)61.21,09078.53
RD-108A, 14Д21
RD-108A, 14Д21RussiaNPO EnergomashSoyuz-FG, -2Active2ndRP-1 / LOXGas generator320.6 257.7 (SL)921,825 792,377 (SL)55.51,07575.16
RD-171M, 11Д520
RD-171M, 11Д520RussiaNPO EnergomashSoyuz-5, Zenit-2M, -3SL, -3SLB, -3SLBFActive1stRP-1 / LOXStaged, oxidizer-rich337.2 309.5 (SL)7,904,160 7,256,921 (SL)2509,30079.57
RD-180
RD-180RussiaNPO EnergomashAtlas V, IIIActive1stRP-1 / LOXStaged, oxidizer-rich338.4 311.9 (SL)4,152,136 3,826,555 (SL)261.75,48071.22.72
RD-191
RD-191RussiaNPO EnergomashAngaraActive1stRP-1 / LOXStaged, oxidizer-rich337.5 311.2 (SL)2,084,894 1,922,103 (SL)262.62,20089.09
RD-276, 14Д14М
RD-276, 14Д14МRussiaNPO EnergomashProton-MActive1stN2O4 / UDMHStaged, oxidizer-rich315.8 288 (SL)1,831,882 1,671,053 (SL)168.51,120171.2
RD-801
RD-801UkrainePivdenne/​PivdenmashMayakDevelopment1stRP-1 / LOXStaged, oxidizer-rich336 300.7 (SL)1,339,255 1,198,608 (SL)1801,6302.65
RD-809K
RD-809KUkrainePivdenne/​PivdenmashMayakDevelopmentUpperRP-1 / LOXStaged, oxidizer-rich35298,0673302.62

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