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Comparison of orbital rocket engines

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This is an old revision of this page, as edited by Wrwhiteal (talk | contribs) at 04:07, 16 January 2012 (Merlin engine used for both 1st and 2nd stages of Falcon 9). The present address (URL) is a permanent link to this revision, which may differ significantly from the current revision.

This page exposes the full list of orbital rocket engines.

Legend for below table:   [under development] — [retired,canceled] — [operational,inactive]

Engine Origin Manufacturer Vehicle Stage Propellant Specific impulse (Vac.) (s) Vacuum thrust (N) Mass (kg) Thrust-to-weight ratio Chamber pressure (bar) Status Engine
Vulcain (HM-60)[1]  Europe Aérospatiale Ariane 5 1st LH2/LOX 431[1] 1,075,000[1] 1,300 84.318 102 Retired Vulcain (HM-60)
Vulcain 2[2][3]  Europe Aérospatiale Ariane 5 1st LH2/LOX 429[3] 1,359,000[3] 1,800[2] 81.04?[note 1] 117.3 Operational Vulcain 2
P230[4]  Europe Aérospatiale Ariane 5 Booster Solid 286[4] 6,472,300[4] 268,000 with fuel Operational P230
RD-180[5]  Russia NPO Energomash Atlas V 1st RP-1/LOX 338 4,150,000[5] 5,480[5] 78.44 266.8 Operational RD-180
RD-191  Russia NPO Energomash Angara 1st RP-1/LOX 337[citation needed] 2,090,000[citation needed] 2,200 96.9?[note 2] 263.4 Inactive RD-191
NK-33-1 (AJ26-58) - Highest thrust-to-weight ratio of any Earth-launchable rocket engine  Russia Kuznetsov Design Bureau
Aerojet 		Taurus II
Soyuz-2.1v 		1st RP-1/LOX 331 1,505,000
[citation needed] 		1,235
[citation needed] 		136.8 145 Inactive NK-33-1 (AJ26-58)
Merlin 1C  United States SpaceX Falcon 9 1/2 RP-1/LOX 304.8 616,000 630 96 67.7 Operational Merlin 1C
Merlin 1D  United States SpaceX Falcon 9
Falcon Heavy 		1/2 RP-1/LOX 310 620,000-690,000 97 Development Merlin 1D
RD-171 - Most powerful liquid-fuel rocket engine in the world[citation needed]  Russia NPO Energomash Zenit 1st RP-1/LOX 337.2[citation needed] 7,887,000[citation needed] 9,750 82 245 Operational RD-171
RS-68 - Most powerful hydrogen-fueled engine in the world  United States Pratt & Whitney Rocketdyne Delta IV
Delta IV Heavy 		1st LH2/LOX 410[citation needed] 3,370,000[citation needed] 6,600 51.2 97 Operational RS-68
Atlas V SRB  United States Aerojet Atlas V Booster Solid 275[citation needed] 1,270,000[citation needed]} 40,824 with fuel Operational Atlas V SRB
F-1 - Most powerful single-chamber liquid-fueled rocket engine ever developed  United States Rocketdyne Saturn V 1st RP-1/LOX 263 6,770,000 8,391 82.27?[note 3] 70 Retired F-1
RS-25 - SSME  United States Pratt & Whitney Rocketdyne Space Shuttle 1st LH2/LOX 452.3 2,279,000 3,526 65.91?[note 4] 206.4 Inactive since STS-135 RS-25
Space Shuttle Solid Rocket Booster - Largest solid-fuel rocket motor ever flown, and the first to be used for primary propulsion on human spaceflight missions  United States Thiokol Space Shuttle Ares I Booster APCP 268 14,000,000 590,000
with fuel 		Inactive since STS-135 Space Shuttle Solid Rocket Booster
J-2[6]  United States Rocketdyne Saturn V
Saturn IB 		Upper LH2/LOX 421 1,033,100 1,438 73.18 30 Retired J-2
J-2X[7][8]  United States Pratt & Whitney Rocketdyne Space Launch System Upper LH2/LOX 448 1,310,000 2,430[8] 95.1?[note 5] 30 Development J-2X
RL-10B-2[9][10]  United States Pratt & Whitney Rocketdyne Delta III
Delta IV 		Upper LH2/LOX 462 109,890 277 41 44 Operational RL-10B-2
RL-10A-4-2[11][10]  United States Pratt & Whitney Rocketdyne Atlas V Upper LH2/LOX 451 99,100 167 59 39 Operational RL-10A-4-2
NSTAR[12][13] - First ever ion engine used as a main engine on an operational science spacecraft  United States Hughes Electron Dynamics
Boeing 		Deep Space 1
Dawn 		Ion thruster Xenon 3,100 @2.3 kW 0.0920 @2.3 kW Operational NSTAR
HiPEP - Most powerful inert gas ion thruster ever built  United States NASA Jupiter Icy Moons Orbiter Ion thruster Xenon 9,620 @39.3 kW 0.670 @39.3 kW Canceled HiPEP
NEXT  United States NASA Ion thruster Xenon 4,100 @6.9 kW 0.236 @6.9 kW Development NEXT

See also

References

  1. ^ a b c "Vulcain". Encyclopedia Astronautica. Retrieved 27 December 2011. {{cite web}}: Check |archiveurl= value (help)
  2. ^ a b "Vulcain 2". Encyclopedia Astronautica. Retrieved 27 December 2011. {{cite web}}: Check |archiveurl= value (help)
  3. ^ a b c "VULCAIN 2 : Thrust Chamber" (PDF). astrium.eads.net (PDF). Retrieved 27 December 2011. {{cite web}}: Check |archiveurl= value (help)
  4. ^ a b c "P230". Encyclopedia Astronautica. Retrieved 27 December 2011. {{cite web}}: Check |archiveurl= value (help)
  5. ^ a b c "RD-180".
  6. ^ "J-2". Encyclopedia Astronautica. Retrieved 23 December 2011. {{cite web}}: Check |archiveurl= value (help)
  7. ^ "J-2X Engine". Pratt & Whitney Rocketdyne. Retrieved 23 December 2011. {{cite web}}: Check |archiveurl= value (help)
  8. ^ a b "J-2X". Encyclopedia Astronautica. Retrieved 23 December 2011. {{cite web}}: Check |archiveurl= value (help)
  9. ^ "RL-10B-2". Encyclopedia Astronautica. {{cite web}}: Check |archiveurl= value (help); Text "23 December 2011" ignored (help)
  10. ^ a b "RL-10 - Specifications". Spaceandtech. {{cite web}}: Check |archiveurl= value (help); Text "23 December 2011" ignored (help)
  11. ^ "RL-10A-4-2". Encyclopedia Astronautica. {{cite web}}: Check |archiveurl= value (help); Text "23 December 2011" ignored (help)
  12. ^ "NSTAR". Encyclopedia Astronautica. {{cite web}}: Check |archiveurl= value (help); Text "24 December 2011" ignored (help)
  13. ^ "Hughes' Ion Engine Serving as Primary Propulsion to NASA's Deep Space 1". www.boeing.com. {{cite web}}: Check |archiveurl= value (help); Text "24 December 2011" ignored (help)

Notes

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