Science
Rocket Engines
Rocket engines used in space exploration.
rocketsenginesspacepropulsion
85 of 85 rows
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 | USA | Relativity Space | Terran R | Development | 1st, 2nd | CH4 / LOX | Gas generator | 1,147,000 | |||||
| AJ10-190 | USA | Aerojet | Space Shuttle, Orion, Apollo CSM | Active | Upper | N2O4 / MMH | Pressure-fed | 316 | 26,689 | 8.62 | 118 | 23.08 | |
| Aquila SL | Germany | Isar Aerospace | Spectrum | Development | 1st | C3H8 / LOX | Gas generator | 75,000 | |||||
| Aquila VAC | Germany | Isar Aerospace | Spectrum | Development | 2nd | C3H8 / LOX | Gas generator | 94,000 | |||||
| Archimedes | New Zealand USA | Rocket Lab | Neutron | Development | 1st, 2nd | CH4 / LOX | Staged, oxidizer-rich | 730,000 | |||||
| BE-3U | USA | Blue Origin | New Glenn | Active | 2nd | LH2 / LOX | Expander, open | 445 | 941,500 | >90 | |||
| BE-4 | USA | Blue Origin | New Glenn, Vulcan | Active | 1st | CH4 / LOX | Staged, oxidizer-rich | 340 | 2,846,900 | 138 | |||
| BE-7 | USA | Blue Origin | Blue Moon | Development | 1st | LH2 / LOX | Expander, open | 44,500 | 5.5-7.1 | ||||
| CE-20 | India | LPSC | GSLV Mk III | Active | Upper | LH2 / LOX | Gas generator | 434 | 196,500 | 60 | 588 | 34.1 | 5.05 |
| CE-7.5 | India | LPSC | GSLV Mk II | Active | Upper | LH2 / LOX | Staged, fuel-rich | 454 | 73,500 | 58 | 445 | 16.85 | |
| E2 | USA | ABL Space Systems | RS1 | Active | 1st | RP-1 / LOX // Jet-A / LOX | Gas generator | 53,800 | 64 | ||||
| E2 Vacuum | USA | ABL Space Systems | RS1 | Active | 2nd | RP-1 / LOX // Jet-A / LOX | Gas generator | 57,800 | |||||
| Engine-2 | USA | Vast | TBA | Development | 1st | RP-1 / LOX | Staged, oxidizer-rich | 327 290 (SL) | 100,000 | 100 | 2.62 | ||
| Engine-2 Vacuum | USA | Vast | TBA | Development | 2nd | RP-1 / LOX | Staged, oxidizer-rich | 365 | 100,000 | 2.62 | |||
| GEM 63 | USA | Northrop Grumman | Atlas V | Active | Booster | HTPB | Solid fuel | 279.06 | 1,662,745 | 49,300 with fuel | |||
| GEM 63XL | USA | Northrop Grumman | Vulcan | Active | Booster | HTPB | Solid fuel | 280.3 | 2,025,720 | 53,400 with fuel | |||
| Hadley | USA | Ursa Major Technologies | Rocket 4 | Active | 2nd | RP-1 / LOX | Staged, oxidizer-rich | 22,241 (SL) | 62 | ||||
| Helix | Germany | Rocket Factory Augsburg | RFA One | Development | 1st, 2nd | RP-1 / LOX | Staged, oxidizer-rich | 350,325 (SL) | 100,000 | 100 | |||
| HyPER-15 | South Korea | Innospace | Hanbit-Nano, -Micro, -Mini | Development | 1st | Paraffin / LOX | Electric pump | 292 | 150,000 | ||||
| LE-5B-3 | Japan | Mitsubishi, JAXA | H-3 | Active | Upper | LH2 / LOX | Expander, open | 447 | 137,000 | 36 | 269 | 51.93 | 5 |
| LE-9 | Japan | Mitsubishi, JAXA | H-3 | Active | 1st | LH2 / LOX | Expander, open | 425 | 1,471,000 | 100 | 2,400 | 62.5 | 5.9 |
| Lightning 1 | USA | Firefly Aerospace | Alpha | Active | 2nd | RP-1 / LOX | Combustion tap-off | 322 | 70,100 | ||||
| M10 | Europe | Avio | Vega-E | Development | Upper | CH4 / LOX | Expander, closed | 362 | 98,000 | 3.4 | |||
| Merlin 1D FT | USA | SpaceX | Falcon 9 B5, Heavy | Active | 1st | RP-1 / LOX | Gas generator | 311 | 914,000 845,000 (SL) | 108 | 470 | 194.5 | |
| Merlin Vacuum 1D | USA | SpaceX | Falcon 9 B5, Heavy | Active | 2nd | RP-1 / LOX | Gas generator | 348 | 981,000 | 2.36 | |||
| Miranda | USA | Firefly Aerospace | Antares 300 Series, MLV | Development | 1st | RP-1 / LOX | Combustion tap-off | 305 | 1,023,000 | ||||
| NK-33A (AJ26-62), 11Д111 / 14Д15 | Soviet Union | JSC Kuznetsov | Antares 100, Soyuz-2-1v | Retired | 1st | RP-1 / LOX | Staged, oxidizer-rich | 331297 (SL) | 1,680,000 1,510,000 (SL) | 145 | 1,222 | 136.8 | |
| P120 | Italy France | Avio | Ariane 6, Vega-C | Active | Booster, 1st | HTPB | Solid fuel | 279 | 4,650,000 | 105 | 153,000 with fuel | ||
| Raptor | USA | SpaceX | Starship | Development | 1st, 2nd | CH4 / LOX | Staged, full-flow | 350 327 (SL) | 2,750,000 (SL) | 350 | 1,525 | 184 | 3.6 |
| Raptor Vacuum | USA | SpaceX | Starship | Development | 2nd | CH4 / LOX | Staged, full-flow | 380 est. | >2,750,000 | 350 | >1,525 | <184 | 3.6 |
| RD-0124, 14Д23 | Russia | KBKhA | Soyuz-2.1b, Soyuz-2-1v, Angara | Active | 2nd, 3rd | RP-1 / LOX | Staged, oxidizer-rich | 359 | 294,300 | 160 | 520 | 57.7 | |
| RD-0146D | Russia | KBKhA | Angara | Development | Upper | LH2 / LOX | Expander, closed | 470 | 68,600 | 59 | |||
| RD-107A, 14Д22 | Russia | NPO Energomash | Soyuz-FG, -2 | Active | 1st | RP-1 / LOX | Gas generator | 320.2 263.3 (SL) | 1,019,892 839,449 (SL) | 61.2 | 1,090 | 78.53 | |
| RD-108A, 14Д21 | Russia | NPO Energomash | Soyuz-FG, -2 | Active | 2nd | RP-1 / LOX | Gas generator | 320.6 257.7 (SL) | 921,825 792,377 (SL) | 55.5 | 1,075 | 75.16 | |
| RD-171M, 11Д520 | Russia | NPO Energomash | Soyuz-5, Zenit-2M, -3SL, -3SLB, -3SLBF | Active | 1st | RP-1 / LOX | Staged, oxidizer-rich | 337.2 309.5 (SL) | 7,904,160 7,256,921 (SL) | 250 | 9,300 | 79.57 | |
| RD-180 | Russia | NPO Energomash | Atlas V, III | Active | 1st | RP-1 / LOX | Staged, oxidizer-rich | 338.4 311.9 (SL) | 4,152,136 3,826,555 (SL) | 261.7 | 5,480 | 71.2 | 2.72 |
| RD-191 | Russia | NPO Energomash | Angara | Active | 1st | RP-1 / LOX | Staged, oxidizer-rich | 337.5 311.2 (SL) | 2,084,894 1,922,103 (SL) | 262.6 | 2,200 | 89.09 | |
| RD-276, 14Д14М | Russia | NPO Energomash | Proton-M | Active | 1st | N2O4 / UDMH | Staged, oxidizer-rich | 315.8 288 (SL) | 1,831,882 1,671,053 (SL) | 168.5 | 1,120 | 171.2 | |
| RD-801 | Ukraine | Pivdenne/Pivdenmash | Mayak | Development | 1st | RP-1 / LOX | Staged, oxidizer-rich | 336 300.7 (SL) | 1,339,255 1,198,608 (SL) | 180 | 1,630 | 2.65 | |
| RD-809K | Ukraine | Pivdenne/Pivdenmash | Mayak | Development | Upper | RP-1 / LOX | Staged, oxidizer-rich | 352 | 98,067 | 330 | 2.62 | ||
| RD-810 | Ukraine | Pivdenne/Pivdenmash | Mayak, Zenit | Development | 1st | RP-1 / LOX | Staged, oxidizer-rich | 335.5 299 (SL) | 2,104,890 1,876,149 (SL) | 180 | 2,800 | 2.65 | |
| RD-861K | Ukraine | Pivdenne/Pivdenmash | Cyclone-4M | Development | 2nd | N2O4 / UDMH | Gas generator | 330 | 77,629 | 207 | 2.41 | ||
| RD-870 | Ukraine | Pivdenne/Pivdenmash | Cyclone-4M | Development | 1st | RP-1 / LOX | Staged, oxidizer-rich | 340 301.5 (SL) | 876,715 777,667 (SL) | 1,353 | 2.68 | ||
| Reaver 1 | USA | Firefly Aerospace | Alpha | Active | 1st | RP-1 / LOX | Combustion tap-off | 265 (SL) 295.6 | 184,000 | 75 | |||
| RL10A-4-2 | USA | Aerojet Rocketdyne | Atlas IIIB, V | Retired | Upper | LH2 / LOX | Expander, closed | 451 | 99,195 | 42 | 168 | 60.27 | 5.5 |
| RL10B-2 | USA | Aerojet Rocketdyne | Delta III, IV, SLS | Active | Upper | LH2 / LOX | Expander, closed | 465.5 | 110,093 | 44 | 301 | 37.27 | 5.88 |
| RL10C-1 | USA | Aerojet Rocketdyne | Delta III, IV, SLS, Vulcan | Active | Upper | LH2 / LOX | Expander, closed | 450 | 101,820 | 44 | 191 | 54.5 | 5.5 |
| RS-25 | USA | Rocketdyne | Space Shuttle, SLS | Active | 1st | LH2 / LOX | Staged, fuel-rich | 452.3 366 (SL) | 2,279,000 1,860,000 (SL) | 206.4 | 3,526 | 53.79 | |
| RS-88 LAE | USA | Rocketdyne | Boeing Starliner | Active | Upper | MMH / NTO | Gas generator | 176,600 (SL) | |||||
| Rutherford | New Zealand USA | Rocket Lab | Electron | Active | 1st | RP-1 / LOX | Electric pump | 311 | 24,900 25,000 (SL) | 55 | 35 | 72.8 (SL) | |
| Rutherford Vacuum | New Zealand USA | Rocket Lab | Electron | Active | 2nd | RP-1 / LOX | Electric pump | 343 | 25,800 | ||||
| S139 | India | SDSC | PSLV | Active | 1st | HTPB | Solid fuel | 269 | 4,860,000 | 58 | 160,200 with fuel | ||
| S200 | India | SDSC | GSLV Mk III | Active | Booster | HTPB | Solid fuel | 274.5 | 5,150,000 | 207,000with fuel | |||
| SCE-200 | India | LPSC | GSLV Mk III, ULV | Development | Upper, main | RP-1 / LOX | Staged, oxidizer-rich | 335 299 (SL) | 2,030,000 1,820,000 (SL) | 180 | 2,700 | ||
| Sirius | Australia | Gilmour Space | Eris | Development | Booster | Hybrid | 150,000 | ||||||
| SLS Solid Rocket Booster | USA | Orbital ATK | SLS | Active | Booster | PBAN | Solid fuel | 267 | 16,000,000 | 730,000 with fuel | |||
| SLV-1 | India | Godrej & Boyce | PSLV | Active | Booster | HTPB | Solid fuel | 253 | 502,600 | 43 | 10,800 with fuel | ||
| SRB-A3 | Japan | IHI Aerospace, JAXA | H-IIA, H-IIB, Epsilon | Active | Booster | HTPB | Solid fuel | 283.6 | 2,305,000 2,150,000 (SL) | 111 | 76,600 with fuel | ||
| TEPREL-B | Spain | PLD Space | Miura 1 | Active | 1st | RP-1 / LOX | Pressure-fed | 30,200 (SL) | |||||
| TEPREL-C | Spain | PLD Space | Miura 5 | Development | 1st, 2nd | RP-1 / LOX | Gas generator | 190,000 (SL) | |||||
| TQ-12 | China | Landspace | ZQ-2 | Active | 1st | CH4 / LOX | Gas generator | 284 | 667,000 (SL) | 101 | |||
| Vikas (rocket engine) | India | LPSC | PSLV, GSLV, GSLV Mk III | Active | 2nd, main, booster | N2O4 / UDMH | Gas generator | 262 | 680,500–804,500 600,500–756,500 (SL) | 53.0–58.5 | |||
| Vinci | Europe | Snecma | Ariane 6 | Active | Upper | LH2 / LOX | Expander, closed | 457 | 180,000 | 60 | 280 | 65.6 | 6.1 |
| Vulcain 2.1 | Europe | Snecma | Ariane 6 | Active | 1st | LH2 / LOX | Gas generator | 1,324,000 | 120.8 | 2,000 | 66.2 | ||
| YF-21B | China | AALPT | Long March 2E, 2F, 3 | Active | Booster, 1st | N2O4 / UDMH | Gas generator | 260.66 (SL) | 740,400 (SL) | ||||
| YF-21C | China | AALPT | Long March 2C, 2D, 3A, 3B, 3C, 4B, 4C | Active | 1st | N2O4 / UDMH | Gas generator | 260.7 (SL) | 740,400 (SL) | ||||
| YF-22B | China | AALPT | Long March 2E, 2F | Active | 2nd | N2O4 / UDMH | Gas generator | 298 | 738,400 | ||||
| YF-22C | China | AALPT | Long March 2C, 2D, 4B, 4C | Active | 2nd | N2O4 / UDMH | Gas generator | 298 | 742,040 | ||||
| YF-22D | China | AALPT | Long March 3 | Active | 2nd | N2O4 / UDMH | Gas generator | 298 | 741,400 | ||||
| YF-22E | China | AALPT | Long March 3A, 3B, 3C | Active | 2nd | N2O4 / UDMH | Gas generator | 298 | 741,400 | ||||
| YF-25 | China | AALPT | Long March 3B, 3C | Active | Booster | N2O4 / UDMH | Gas generator | 260.66 (SL) | 740,400 (SL) | ||||
| YF-40 | China | AALPT | Long March 4B, 4C | Active | 3rd | N2O4 / UDMH | Gas generator | 303 | 103,000 | ||||
| YF-50D | China | AALPT | Long March 3B, 3C, 5, 7 | Active | Upper | N2O4 / UDMH | Pressure-fed | 315.5 | 6,500 | ||||
| YF-73 | China | AALPT | Long March 3 | Active | 3rd | LH2 / LOX | Gas generator | 420 | 44,150 | ||||
| YF-75 | China | AALPT | Long March 3A, 3B, 3C | Active | 3rd | LH2 / LOX | Gas generator | 438 | 78,450 | ||||
| YF-75D | China | AALPT | Long March 5 | Active | 2nd | LH2 / LOX | Expander, closed | 442.6 | 88,360 | 41 | 265 | 34 | 6 |
| YF-77 | China | AALPT | Long March 5 | Active | 1st | LH2 / LOX | Gas generator | 428 316.7 (SL) | 700,000 518,000 (SL) | 102 | 1,054 | 50 | 5.5 |
| YF-79 | China | AALPT | Long March 9 | Development | 3rd | LH2 / LOX | Expander, closed | 455.2 | 250,000 | 70 | 6 | ||
| YF-90 | China | AALPT | Long March 9 | Development | 2nd | LH2 / LOX | Staged, fuel-rich | 453 | 2,200,000 | 183 | 4,800 | 46.74 | 6 |
| YF-100 | China | AALPT | Long March 7, 5 | Active | 1st | RP-1 / LOX | Staged, oxidizer-rich | 335.1 300(SL) | 1,339,480 1,199,190 (SL) | 180 | 1,912 | 64 | 2.6 |
| YF-115 | China | AALPT | Long March 6, 7 | Active | 2nd | RP-1 / LOX | Staged, oxidizer-rich | 341.5 | 182,400 | 120 | 2.5 | ||
| YF-130 | China | AALPT | Long March 9 | Development | 1st | RP-1 / LOX | Staged, oxidizer-rich | 308 (SL) | ~5,000,000 (SL) | 220 | ~6,500 | 78 | 2.62 |
| Zefiro 9A | Italy | Avio | Vega-C | Active | 3rd | HTPB | Solid fuel | 295.2 | 314,000 | 75 | 11,400 with fuel | ||
| Zefiro 40 | Italy | Avio | Vega-C | Active | 3rd | HTPB | Solid fuel | 293.5 | 1,304,000 | 115 | 39,206 with fuel | ||
| Zenith | USA | Stoke | Nova | Development | 1st | CH4 / LOX | Staged, full-flow | ~345 | >444,822 |
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