S-I

The S-I was the first stage of the Saturn I rocket used by NASA for the Apollo program.

S-I
S-I diagram
ManufacturerChrysler
Country of originUnited States
Used onSaturn I
General characteristics
Height24.5 m (80.3 feet)
Diameter6.5 m (21.4 feet)
Gross mass432,681 kg (953,898 lb)
Propellant mass397,414 kg (854,101 lb)
Empty mass45,267 kg (99,796 lb)
Associated stages
FamilySaturn
Launch history
StatusRetired
Total launches10
Successes
(stage only)
10
First flightOctober 27, 1961
Last flightJuly 30, 1965
S-I engine details
Powered by8 H-1 engines
Maximum thrust(vac) 7,582.1 KN (1,704,524 lbf)
Specific impulse289 sec
PropellantRP-1 / LOX
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