Encyclopedia Astronautica
Saturn MS-IC-1A

Lox/Kerosene propellant rocket stage. Loaded/empty mass 2,694,700/160,600 kg. Thrust 46,443.30 kN. Vacuum specific impulse 304 seconds. Basic Saturn IC stretched 240 inches with 6 F-1 engines.

No Engines: 6.

Status: Study 1965.
Gross mass: 2,694,700 kg (5,940,700 lb).
Unfuelled mass: 160,600 kg (354,000 lb).
Height: 48.16 m (158.00 ft).
Diameter: 10.06 m (33.00 ft).
Span: 19.01 m (62.36 ft).
Thrust: 46,443.30 kN (10,440,869 lbf).
Specific impulse: 304 s.
Specific impulse sea level: 265 s.
Burn time: 160 s.

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Associated Countries
Associated Engines
  • F-1 Rocketdyne Lox/Kerosene rocket engine. 7740.5 kN. Isp=304s. Largest liquid rocket engine ever developed and flown. Severe combustion stability problems were solved during development and it never failed in flight. First flight 1967. More...

Associated Launch Vehicles
  • Saturn MLV-V-1A American orbital launch vehicle. MSFC study, 1965. Saturn IC stretched 240 inches with 5.6 million pounds propellant and 6 F-1 engines; S-II stretched 156 inches with 1.2 million pounds propellant and 7 J-2 engines; S-IVB stretched 198 inches with 350,000 lbs propellant, 1 J-2 engine. More...

Associated Propellants
  • Lox/Kerosene Liquid oxygen was the earliest, cheapest, safest, and eventually the preferred oxidiser for large space launchers. Its main drawback is that it is moderately cryogenic, and therefore not suitable for military uses where storage of the fuelled missile and quick launch are required. In January 1953 Rocketdyne commenced the REAP program to develop a number of improvements to the engines being developed for the Navaho and Atlas missiles. Among these was development of a special grade of kerosene suitable for rocket engines. Prior to that any number of rocket propellants derived from petroleum had been used. Goddard had begun with gasoline, and there were experimental engines powered by kerosene, diesel oil, paint thinner, or jet fuel kerosene JP-4 or JP-5. The wide variance in physical properties among fuels of the same class led to the identification of narrow-range petroleum fractions, embodied in 1954 in the standard US kerosene rocket fuel RP-1, covered by Military Specification MIL-R-25576. In Russia, similar specifications were developed for kerosene under the specifications T-1 and RG-1. The Russians also developed a compound of unknown formulation in the 1980's known as 'Sintin', or synthetic kerosene. More...

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