SRM thrust profile
RSRM thrust profile
Propulsion Space Shuttle
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SRM thrust profile |
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RSRM thrust profile |
Booster SRM
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Design |
Thrust s.l. |
Isp s.l. |
Thrust vac |
Isp vac |
Propellant |
Burn time |
Flow rate |
Total Imp. |
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kN |
N*s/kg |
kN |
N*s/kg |
tons |
s |
t/s |
MN*s |
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SRM |
max | 12,367.0 | 2324 | max | 13,567.0 | 2550 | 501.476 | 123 | max | 5.3311 | 1,278.60 |
| ave | 9,475.7 | ave | 10,395.2 | ave | 4.0770 | ||||||
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RSRM |
max | 13,411.5 | 2383 | max | 14,819.0 | 2633 | 501.708 | 122.2 | max | 5.6280 | 1,321.15 |
| ave | 9,784.6 | ave | 10,811.3 | ave | 4.1060 | ||||||
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OMS
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% of fuel |
Thrust s.l. |
Isp s.l. |
Thrust vac |
Isp vac |
Propellant |
Burn time |
Flow rate |
Total Imp. |
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kN |
N*s/kg |
kN |
N*s/kg |
tons |
s |
t/s |
MN*s |
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| 100 | 26.69 | 2886 | 10.830 | 1170 | 0.00925 | 31.24 | ||
| 41 | 26.69 | 2886 | 4.440 | 480 | 0.00925 | 12.81 |
SSME Characteristics*
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| RS-24 ? | RS-25 | RS-25A | RS-25B | RS-25B | RS-25C | RS-25D | RS-25E | ||||||||||
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Baseline |
Phase-I |
Phase-II |
Block-I |
Block-IA |
Block-IIA |
Block-II |
Block-III (?) |
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Engine type used |
15 |
60 |
171 |
10 |
17 |
49 |
83 |
0 |
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First Flight |
STS-1 |
STS-6 |
STS-26R |
STS-70 |
STS-73 |
STS-89 |
STS-110 |
SLS |
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Fuel Main Turbopump |
HPFTP |
HPFTP |
HPFTP |
HPFTP |
HPFTP |
HPFTP |
HPFTP-AT |
HPFTP-AT |
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Oxidizer Main Turbopump |
HPOTP |
HPOTP |
HPOTP |
HPOTP-AT |
HPOTP-AT |
HPOTP-AT |
HPOTP-AT |
HPOTP-AT |
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Combustor |
MCC |
MCC |
MCC |
MCC |
MCC |
LTMCC |
LTMCC |
LTMCC |
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Nozzle Exp. Ratio |
77.5 |
77.5 |
77.5 |
77.5 |
77.5 |
69.0 |
69.0 |
69.0 |
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Spezific Impulse (s) s.l./vac |
362.4 |
454.4 |
363.2 |
455.2 |
361.5 |
453.5 |
364.8 |
452.9 |
364.8 |
452.9 |
366.3 |
452.3 |
366 |
452 |
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Chamber |
65% |
1945 |
? |
? |
1857 |
1857 |
- |
- |
- |
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67% |
- |
- |
- |
- |
- |
? |
? |
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100% |
2995 |
? |
3006 |
? |
? |
? |
? |
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104% |
- |
3140 |
3126 |
2971 |
2971 |
- |
- |
- |
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104.5% |
- |
- |
- |
- |
- |
2885 |
2871 |
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109% |
(3258) |
(3291) |
(3276) |
(3114) |
(3114) |
3008 |
2994 |
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Flow Rate (lb/s) |
65% |
695 |
670 |
672 |
673 |
673 |
- |
- |
- |
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67% |
- |
- |
- |
- |
- |
699 |
698 |
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100% |
1060 |
1032 |
1031 |
1038 |
1038 |
1041 |
1039 |
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104% |
- |
1075 |
1080 |
1079 |
1079 |
- |
- |
- |
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104.5 |
- |
- |
- |
- |
- |
1088 |
1086 |
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109% |
(1152) |
(1125) |
(1129) |
(1130) |
(1130) |
1134 |
1133 |
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Thrust (klb) s.l/vac |
65% |
251.9 |
315.8 |
243.4 |
305.0 |
242.9 |
304.8 |
245.5 |
304.8 |
244.6 |
305.0 |
- |
- |
- |
- |
- |
- |
|
67% |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
256.0 |
316.1 |
255.5 |
315.5 |
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100% |
384.2 |
481.5 |
375.0 |
470.0 |
372.7 |
467.6 |
378.6 |
470.0 |
376.9 |
470.0 |
381.3 |
470.8 |
380.1 |
469.448 |
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104% |
- |
- |
390.4 |
489.3 |
390.4 |
489.8 |
393.7 |
488.8 |
392.0 |
488.8 |
- |
- |
- |
- |
- |
- |
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|
104.5% |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
398.4 |
491.9 |
397.4 |
490.847 |
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109% |
(417.5) |
(523.5) |
(408.6) |
(512.1) |
(408.1) |
(512.0) |
(412.2) |
(511.8) |
(412.5) |
(514.0 ) |
415.4 |
512.9 |
414.8 |
512.271 |
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* A difficult task to find the right data; therefore partly calculated
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