U.S. space-rocket liquid propellant engines
 

last update: 21.08.2011
 

Engine

Other
Design

Chamb.

Stage

Nozzle
Area
 Ratio

 

Chamb.
Press.
(MPa)

Propellants

Oxid.
Rate

Thrust s.l.

Isp s.l.

Thrust vac.

Isp vac

Flow
 Rate
(t/sec)

Launcher

kN

sec

Ns/kg

kN

sec

Ns/kg
 Rocketdyne
J-2 5x1 2nd 27.5   3.0 LH2/LOX 5.5       5,160.0 424.3 4161 1.2401 Saturn-V
1 2nd       5.5       1,000.9 425.0 4168 0.2401 Saturn-IB
1 3rd       4.8       876.3 425.5 4173 0.2100 Saturn-V
J-2X 1 2nd 92.0   9.22 5.5       1,307.5 448.0 4393 0.2976 Ares-I, Ares-V
F-1 5x1 1st 16.0   7.0 RP-1/LOX 2.27

34,478.2

260.0

2550

 40,312.9 304.0 2981 13.5224 Saturn-V
AR2-3 1         RP-1/H2O2         39.34       X-37B space plane
XLR-11 1X4          Alcohol/LOX  

26.7

             X-1 rocket plane
XLR-11 2X4          

53.4

             X-15 rocket plane
XLR-41-NA-1 1  Booster                       Navaho-Jet booster
XLR-43-NA-1 1                      
XLR-71-NA-1 2x1         667.2            
A-6 1 Core       1.5 311.4 195.5 1917 359.9 226.0 2216 0.1624 Redstone-Sparta
A-7 1 Core       Hydyne/LOX 1.3 269.0 235.0 2305 416.2 265.0 2599 0.1600 Redstone-Merc., Juno-I
XLR-83-NA-1 3x1 Booster       RP-1/LOX  

1,067.6

 242.0  2373 1,201.0 273.0 2677 0.5000 Navaho-Jet booster
XLR-99 1          

 253.6

             X-15 rocket plane
LR-89-NA-3 MA-1 2x1 Booster       RP-1/LOX   1,316.7 248.0 2432 1,497.3 282.0 2765 0.5414 Atlas-D
LR-89-NA-5 MA-2 2x1         1,334.5 248.0 2432 1,517.4 282.0 2765 0.5487  Atlas-Agena, -Centaur
LR-89-NA-6 MA-3 2x1         1,467.9 256.0 2510 1,662.8 290.0 2844 0.5847 Atlas E/F
LR-89-NA-7.1 MA-5 2x1         1,645.9 258.0 2530 1,863.4 292.2 2865 0.6505 Atlas-Agena
LR-89-NA-7.2 MA-5 2x1         1,679.2 259.1 2541 1,901.6 293.4 2877 0.6609 Atlas-G, Atlas-I

RS-56-OBA

 MA-5A 2x1 8.0   4.41 2.25 1,906.0 262.1 2570 2,155.2 296.4 2907 0.7415 Atlas-II, Atlas-IIA(S)

LR-105-NA-3

 MA-1 1 Sustainer       RP-1/LOX   244.7 215.0 2108 352.2 309.0 3030 0.1166  Atlas-D
LR-105-NA-5 MA-2 1         253.1 215.0 2108 366.1 311.0 3050 0.1200 Atlas-Agen, -Centaur
LR-105-NA-6 MA-3 1         253.1 215.0 2108 366.1 311.0 3050 0.1200 Atlas E/F
LR-105-NA-7.1 MA-5 1         268.7 220.4 2161 385.2 316.0 3099 0.1243 Atlas-Agena
LR-105-NA-7.2 MA-5 1         269.1 220.0 2157 386.4 316.0 3099 0.1243 Atlas-G, Atlas-I
RS-56-OSA MA-5A 1 25.0   5.07 2.27 268.6 220.4 2161 385.2 316.0 3099 0.1243 Atlas-II, Atlas-IIA(S)
LR-79-NA-1 S-3D 1 1st       RP-1/LOX   667.2 248.0 2432 758.7 282.0 2766 0.2745 Juno-II
LR-79-NA-7 (inside)
LR-79-NA-7 (outside)		 H-1 8x1       RP-1/LOX   5,871.7 250.0 2456 6,654.6 283.8 2783 2.3912 Saturn-I (Block-I)
    4.52   6,690.2 257.5 2525 7,473.1 287.7 2821 2.6490 Saturn-I (Block-II)
    4.36 2.23 7,117.2 262.5 2574 8,297.6 306.0 3001 2.7650 Saturn-IB

LR-79-NA-9

 MB-3-I 1         667.2 250.4 2456 756.2 283.9 2784 0.2717 Delta
LR-79-NA-11 MB-3-II 1         734.0 250.4 2456 831.8 283.9 2784 0.2988  
LR-79-NA-13 MB-3-III 1         756.2 250.4 2456 858.5 283.9 2784 0.3080  
RS-27.1 - 1         911.3 263.0 2579 1,016.4 293.0 2873 0.3536 Delta 2000,4000,5000
RS-27.2 - 1         843.0 254.2 2493 1,000.4 301.7 2959 0.3381 Delta 6000
RS-27A - 1 12.0   4.85 2.24 914.8 254.2 2493 1,085.8 301.7 2959 0.3670 Delta 7000
RS-68 1 1st 21.5   9.73 LH2/LOX 6.0 2,891.4 356.9 3500 3,314.0 409.1 4012 0.8260 Delta IV

RS-68B

 6x1 21.6   10.26 6.0 18,736.1 364.9 3578 21,267.7 414.2 4062 5.2359 Ares-V

RS-72

 1 Upper stage 300   6.0 MMH/N2O4 2.05

 

     55.4 340.0 3334 0.0165 ?

RS-76

 1 1st       RP-1/LOX   4,002.0 308.0 3020       1.3252 ?

RS-84

 1 1st 36   17.7   4,731.8 305.0 2991 5,026.5 324.0 3177 1.5820 ?

RS-24 (-25)

 SSME (1) 3x1 Core 77.5   19.12 LH2/LOX 5.97 5,004.0 362.0 3556 6,270.0 453.5 4447 1.4100 Space Shuttle
SSME (2) 3x1 77.5   20.20 5.97 5,004.0 362.7 3557 6,270.0 454.4 4456 1.4070
SSME-I 3x1 77.5   20.72 5.97 5,004.0 363.4 3564 6,270.0 455.3 4465 1.4045
SSME-IA 3x1
SSME-IIA 3x1 69.0   19.02 5.97 5,004.0 361.1 3541 6,270.0 452.5 4438 1.4100
SSME-II 3x1

 Aerojet

LR-87-AJ-1

 2 1st        RP-1/LOX  

1,295.5

256

2510

1467.5

290

2844

0.5160

 Titan-1 ICBM

LR-87-AJ-5

 2 12.0   5.7 Aerozine50/N2O4 1.9 1,734.8  243.5 2388 2,108.5

296.0

2903

 0.7265 Titan 23G
LR-87-AJ-7 2         1,912.8 248.0 2432 2,313.1 299.9 2941 0.7865  Titan-2/Gemini
LR-87-AJ-9 2         1,941.7 252.2 2473 2,339.8 303.9 2980 0.7851 Titan-3A, -3B, -3C
LR-87-AJ-11 2 15.0   5.7 1.9 2,001.7 252.1 2472 2,413.2 303.9 2980 0.8097 Tit.-3BS, -3D, -3E, -34D
LR-87-AJ-11A.1 2         2,034.6 252.2 2473 2,451.9 303.9 2980 0.8227 Titan-III, -34D7, -IVA
LR-87-AJ-11A.2 2         2,039.5 252.2 2473 2,457.7 303.9 2980 0.8247 Titan-IVB
LR-91-AJ-1 1 2nd        RP-1/LOX         355.9 308 3020

0.1178

 Titan-1 ICBM
LR-91-AJ-5 1 49.2   5.72 Aerozine50/N2O4 1.78       444.8 315.5 3094 0.1438 Titan 23G
LR-91-AJ-7 1               453.7 315.5 3094 0.1466  Titan-2/Gemini
LR-91-AJ-9 1               453.7 315.5 3094 0.1466  Titan-3A, -3B, -3C
LR-91-AJ-11 1 49.2   5.72 1.78       460.4 315.5 3094 0.1488  Tit.-3BS, -3D, -3E, -34D
LR-91-AJ-11A.1 1               467.1 315.5 3094 0.1510  Titan-III, -34D7, -IVA
LR-91-AJ-11A.2 1               472.2 315.5 3094 0.1526  Titan-IVB
AJ-10-37 1 2nd       UDMH/
Nitric Acid
 (WFNA) 		2.8       33.8 271.0 2658 0.0127 Vanguard
AJ-10-42 1               33.0 267.0 2618 0.0126 Thor-Able-I
AJ-10-101A 1               33.4 270.0 2648 0.0126 Thor-Able-II
AJ-10-104D 1               35.1 278.0 2726 0.0129 Thor-Able Star
AJ-10-142 1               33.4 270.0 2648 0.0126 Thor-Delta
AJ-10-118 1               33.1 263.0 2579 0.0128 Delta-A
AJ-10-118D 1               33.7 272.5 2672 0.0126 Delta-B --- Delta-D
AJ-10-118E 1               35.2 278.0 2726 0.0129 Delta-E --- Delta-N
AJ-10-118F 1       Aerozine50/N2O4         42.3 315.0 3089 0.0137 Delta-I
AJ-10-118K 1     5.71 1.8       43.7 319.2 3130 0.0139 Delta-II

AJ-10-137

 1 LSM     6.91 1.6       97.9 301.4 2956 0.0331 Apollo-SM

AJ-10-138

 2 Transtage               71.7 311.0 3050 0.0235  Titan-3A, -3C,-34D

AJ-10-190

1 OMS 55   0.86 MMH/N2O4 1.65       26.7 294.3 2886 0.0092 Shuttle Orbiter
AJ-26-58/-59 NK-33 3 x 1 1st     14.22 RP-1/LOX 2.60

4,535.0

297.1

2914

5,056.8 331.3 3249 1.5565 Kistler K-1
AJ-26-60 NK-43 1 2nd     14.22 2.60       1,769.0 348.3 3416 0.5179 Kistler K-1
AJ-26-62 NK-33 2 1st     14.22 2.60

3,022.6

300

2942

 3,371.2

334

3275

1.0274

 Taurus-II

 Pratt & Whitney
XLR-115 1         LH2/LOX         67...89       Saturn project
RL-10A-3 6x1 2nd 40   2.07 5.0       400.3 432.0 4236 0.9450 Saturn-I (Block-II)
RL-10A-3-1 2x1 Centaur A/B/C                       Atlas-Centaur
RL-10A-3-2 2x1                      
RL-10A-3-3 2x1 Centaur D 57   2.81         133.4 442.2 4337 0.0308 Atlas-Centaur
RL-10A-3-3 2x1 Centaur D-1A (D-1T)               133.4 444.4 4358 0.0306 Atlas-Centaur, Titan-3E
RL-10A-3-3A 2x1 Centaur D-1AR (-T) 61   3.23         146.8 446.4 4378 0.0335 Atlas-Centaur, Titan-IV
RL-10A-3-3A 2x1 Centaur D-2               146.8 446.4 4378 0.0335 Atlas-Centaur, Atlas-I
RL-10A-4 2x1 Centaur D-2A 85   3.90 5.5       182.4 442.4 4339 0.0420 Atlas-IIA
RL-10A-4N 2x1 Centaur D-2A               182.4 446.4 4378 0.0423 Atlas-II
RL-10A-4-1 2x1 Centaur D-2A-1       5.5       185.2 446.4 4378 0.0420  
RL-10A-4-1N 2x1 Centaur D-2A-1               185.2 449.0 4403 0.0421  Atlas-II, -IIAS
RL-10A-4-2 2x1 Centaur D-3A 85   4.20 5.5       198.4 450.5 4418 0.0449 Atlas-IIIA

RL-10A-4-2

 2x1 Centaur D-3B               198.4 450.5 4418 0.0449 Atlas-IIIB, Atlas V

RL-10B-2-1

 1 2nd               110.1 462.4 4535 0.0243 Delta III

RL-10B-2-1

 1

2nd

 285.0   4.66 5.88       110.1 466.5 4575 0.0241 Delta IV

RL-60

 1 2nd                       ?

 Bell
Bell 8048 1 Agena       UDMH/HNO3         69.1  275.8 2705 0.0255 Thor-Agena
Atlas-Agena
Bell 8081 1               71.2  284.0 2785 0.0255
Bell 8096 1               71.2  284.0 2785 0.0255

TRW

TR-201

 1 2nd     0.72 Aerozine50/N2O4 1.6      

43.9

 303.0 2971 0.0154 Delta 1000,2000,3000
LMAE 1                           Apollo Lander
LMDE 1                           Apollo Lander

 General Electric

GE X-405

 1 1st       RP-1/LOX  

123.9

 248.0 2432

134.8

 270.0 2648 0.0509 Vanguard

 SpaceX

Merlin-1

 1 1st 14.5   4.70 RP-1/LOX 2.17 347.0 255.0 2501 408.1 300.0 2942 0.1387 Falcon-1

Merlin-1C

 1 6.15 556.0 274.6 2693 615.6 304.0 2981 0.2065 Falcon-1+, Falcon-1e

Merlin-1C

 9 x 1 5,004.3 274.6 2693 5,540.1 304.0 2981 1.8583 Falcon-9

Merlin-1V

 1 2nd             444.8 310.0 3040 0.1463 Falcon-9

Kestrel-1

 1 2nd 60   1.03 RP-1/LOX 2.35       30.5 317.0 3109 0.0098 Falcon-1

Kestrel-2

 1       30.7 320.0 3138 0.0098 Falcon-1+. Falcon-1e

 Marshall Center

MC-1

 1         RP-1/LOX         72.58       X-34 space plane