The S-IV was the second stage of the Saturn I rocket used by NASA for early flights in the Apollo program. The S-IV was manufactured by the Douglas Aircraft Company and later modified by them to the S-IVB, a similar but distinct stage used on the Saturn IB and Saturn V rockets.

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  • The S-IV was the second stage of the Saturn I rocket used by NASA for early flights in the Apollo program. The S-IV was manufactured by the Douglas Aircraft Company and later modified by them to the S-IVB, a similar but distinct stage used on the Saturn IB and Saturn V rockets. The S-IV stage was a large LOX/LH2-fueled rocket stage used for the early test flights of the Saturn I rocket. It formed the second stage of the Saturn I and was powered by a cluster of six RL-10A-3 engines. Each one of the engines supplied 66.7 kilonewtons (15,000 lbf) of thrust for a total of about 400 kilonewtons (90,000 lbf). The cryogenic LH2 (liquid hydrogen) and LOX (liquid oxygen) tanks were separated by a common bulkhead. The forward bulkhead of the LOX tank formed the aft bulkhead of the LH2 tank. This saved up to 20% of structural weight. (en)
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  • 654880 (xsd:integer)
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  • 2599 (xsd:integer)
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  • 948957934 (xsd:integer)
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  • Schematics of the S-IV (en)
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  • United States (en)
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  • 0 (xsd:integer)
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  • 1964-01-29 (xsd:date)
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  • --07-30
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  • 6 (xsd:integer)
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  • S-IV (en)
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  • Retired (en)
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  • 6 (xsd:integer)
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  • The S-IV was the second stage of the Saturn I rocket used by NASA for early flights in the Apollo program. The S-IV was manufactured by the Douglas Aircraft Company and later modified by them to the S-IVB, a similar but distinct stage used on the Saturn IB and Saturn V rockets. (en)
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  • S-IV (en)
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