S-I
S-I diagram | |
| Manufacturer | Chrysler |
|---|---|
| Country of origin | United States |
| Used on | Saturn I |
| General characteristics | |
| Height | 24.5 m (80.3 feet) |
| Diameter | 6.5 m (21.4 feet) |
| Gross mass | 432,681 kg (953,898 lb) |
| Propellant mass | 397,414 kg (854,101 lb) |
| Empty mass | 45,267 kg (99,796 lb) |
| Associated stages | |
| Family | Saturn |
| Launch history | |
| Status | Retired |
| Total launches | 10 |
| Successes (stage only) | 10 |
| First flight | October 27, 1961 |
| Last flight | July 30, 1965 |
| S-I engine details | |
| Powered by | 8 H-1 engines |
| Maximum thrust | (vac) 7,582.1 KN (1,704,524 lbf) |
| Specific impulse | 289 sec |
| Propellant | RP-1 / LOX |
The S-I was the first stage of the Saturn I rocket used by NASA for the Apollo program.