S-IB: Difference between revisions

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* S-IB-2: Launched 8/25/1966 on suborbital [[AS-202]] test mission.  
* S-IB-2: Launched 8/25/1966 on suborbital [[AS-202]] test mission.  
* S-IB-4: Launched 1/22/1968 on [[Apollo 5]] orbital mission.   
* S-IB-4: Launched 1/22/1968 on [[Apollo 5]] orbital mission.   
* S-IB-5: Launched 10/11/1968 on manned [[Apollo 7]] orbital mission.  
* S-IB-5: Launched 10/11/1968 on crewed [[Apollo 7]] orbital mission.  




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* S-IB-15: Not built, cancelled by NASA in 1968.
* S-IB-15: Not built, cancelled by NASA in 1968.
* S-IB-16: Not built, cancelled by NASA in 1968.
* S-IB-16: Not built, cancelled by NASA in 1968.
== Proposed variants ==
Besides the version flown as the Saturn IB stage, other versions were proposed for several vehicle concepts:<ref>{{Cite web |title=S-I stage |url=http://astronautix.com/s/s-istage.html |access-date=2025-11-18 |website=astronautix.com}}</ref>
=== Saturn S-IB-2 ===
The S-IB-2 stage was studied in 1960 to power the [[Saturn C-3]].<ref>{{Cite web |title=Saturn C-3 |url=http://astronautix.com/s/saturnc-3.html |access-date=2025-11-17 |website=astronautix.com}}</ref> It was planned to be larger (with a height of 34.50&nbsp;m and a diameter of 8.25&nbsp;m), powered by two [[Rocketdyne F-1|F-1]] engines developing {{convert|3|e6lbf|MN}} of thrust, with a fueled mass of {{convert|1.6|e6lb|t}}.<ref>{{Cite web |title=Saturn S-IB-2 |url=http://astronautix.com/s/saturns-ib-2.html |access-date=2025-11-17 |website=astronautix.com}}</ref>
=== Saturn S-IB-4 ===
The S-IB-4 stage was studied in 1960 to power the [[Saturn C-4]], using four F-1 engines.<ref>{{Cite web |title=Saturn S-IB-4 |url=http://astronautix.com/s/saturns-ib-4.html |access-date=2025-11-18 |website=astronautix.com}}</ref>
=== Saturn S-IB-A ===
The S-IB-A stage was studied in 1965 to power the [[Saturn IB-A]] and [[Saturn IB-B]], using eight [[Rocketdyne H-1|H-1c]] engines.<ref>{{Cite web |title=Saturn S-IB-A |url=http://astronautix.com/s/saturns-ib-a.html |access-date=2025-11-18 |website=astronautix.com}}</ref>
=== Saturn IB-11 ===
The IB-11 stage was studied in 1966 to power the Saturn INT-11, Saturn INT-13 and Saturn INT-14, using eight [[Rocketdyne H-1|H-1b]] engines and [[UA120|UA1207]] solid boosters.<ref>{{Cite web |title=Saturn IB-11 |url=http://astronautix.com/s/saturnib-11.html |access-date=2025-11-18 |website=astronautix.com}}</ref>
=== Saturn IB-15 ===
The IB-15 stage was studied in 1966 to power the Saturn INT-15, using eight [[Rocketdyne H-1|H-1b]] engines and Minuteman first-stage strap-ons.<ref>{{Cite web |title=Saturn IB-15 |url=http://astronautix.com/s/saturnib-15.html |access-date=2025-11-18 |website=astronautix.com}}</ref>
=== Saturn S-1B-4 ===
The S-1B-4 stage was studied in 1966 to power the Saturn INT-12, using four [[Rocketdyne H-1|H-1b]] engines and [[UA120|UA1205]] solid boosters.<ref>{{Cite web |title=Saturn S-1B-4 |url=http://astronautix.com/s/saturns-1b-4.html |access-date=2025-11-18 |website=astronautix.com}}</ref>


==References==
==References==
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[[Category:Rocket stages]]
[[Category:Rocket stages]]
[[Category:Saturn IB]]
[[Category:Saturn IB]]
[[Category:Saturn B-1]]
[[Category:Saturn A-2]]

Latest revision as of 15:51, 19 November 2025

Script error: No such module "Infobox".Template:Template otherScript error: No such module "Check for unknown parameters".Template:Sister project The S-IB stage was the first stage of the Saturn IB launch vehicle, which was used for Earth orbital missions.[1] It was an upgraded version of the S-I stage used on the earlier Saturn I rocket and was composed of nine propellant containers, eight fins, a thrust structure assembly, eight H-1 rocket engines, and many other components. It also contained the ODOP transponder. The propellant containers consisted of eight Redstone-derived tanks (four holding liquid oxygen (LOX) and four holding RP-1) clustered around a Jupiter rocket-derived tank containing LOX. The four outboard engines gimballed to steer the rocket in flight, which required a few more engine components. The S-IB burned for nearly 2.5 minutes before separating at an altitude of Script error: No such module "convert"..

Specifications

  • Height: Script error: No such module "convert".
  • Diameter: Script error: No such module "convert".
  • Number of fins: 8
  • Finspan: Script error: No such module "convert".
  • Engines: 8 Rocketdyne H-1
  • Thrust: Script error: No such module "convert".
  • Fuel: RP-1 (Refined kerosene) 41,000 US gal (155 m3)
  • Oxidizer: Liquid oxygen (LOX) 66,277 US gal (251 m3) nominal capacity including 1.5% ullage volume (43,284 US gal / 163 m3 in four outer tanks plus 22,993 US gal / 87 m3 in center tank[2])
  • Burn time: 2.5 min
  • Burnout altitude: Script error: No such module "convert".

Stages built

Apollo flights:[3]

  • S-IB-1: Launched 2/26/1966 on suborbital AS-201 mission.
  • S-IB-3: Launched 7/5/1966 as AS-203 orbital test mission.
  • S-IB-2: Launched 8/25/1966 on suborbital AS-202 test mission.
  • S-IB-4: Launched 1/22/1968 on Apollo 5 orbital mission.  
  • S-IB-5: Launched 10/11/1968 on crewed Apollo 7 orbital mission.


Post-Apollo Flights:[3] 

  • S-IB-6: Launched 5/25/1973 on Skylab-2 orbital mission.
  • S-IB-7: Launched 7/23/1973 on Skylab-3 orbital mission.
  • S-IB-8: Launched 11/16/1973 on Skylab-4 orbital mission.
  • S-IB-10: Launched 7/15/1975 on ASTP orbital mission.


Hardware Not Flown:[3]

  • S-IB-9: Stacked on MLP ready to fly as Skylab backup. Now on display at Kennedy Space Center Visitor Complex.
  • S-IB-11: Flight not assigned. Displayed vertically at Alabama Welcome Center until late 2023, when it was dismantled due to weathering.[4]
  • S-IB-12: Flight not assigned. Presumed scrapped at Marshall Space Flight Center in late 1970s.
  • S-IB-13: Hardware scrapped.  
  • S-IB-14: Hardware scrapped.  
  • S-IB-15: Not built, cancelled by NASA in 1968.
  • S-IB-16: Not built, cancelled by NASA in 1968.

Proposed variants

Besides the version flown as the Saturn IB stage, other versions were proposed for several vehicle concepts:[5]

Saturn S-IB-2

The S-IB-2 stage was studied in 1960 to power the Saturn C-3.[6] It was planned to be larger (with a height of 34.50 m and a diameter of 8.25 m), powered by two F-1 engines developing Script error: No such module "convert". of thrust, with a fueled mass of Script error: No such module "convert"..[7]

Saturn S-IB-4

The S-IB-4 stage was studied in 1960 to power the Saturn C-4, using four F-1 engines.[8]

Saturn S-IB-A

The S-IB-A stage was studied in 1965 to power the Saturn IB-A and Saturn IB-B, using eight H-1c engines.[9]

Saturn IB-11

The IB-11 stage was studied in 1966 to power the Saturn INT-11, Saturn INT-13 and Saturn INT-14, using eight H-1b engines and UA1207 solid boosters.[10]

Saturn IB-15

The IB-15 stage was studied in 1966 to power the Saturn INT-15, using eight H-1b engines and Minuteman first-stage strap-ons.[11]

Saturn S-1B-4

The S-1B-4 stage was studied in 1966 to power the Saturn INT-12, using four H-1b engines and UA1205 solid boosters.[12]

References

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  1. ↑ Script error: No such module "citation/CS1".
  2. ↑ Script error: No such module "Citation/CS1".
  3. ↑ a b c Script error: No such module "citation/CS1".
  4. ↑ Script error: No such module "citation/CS1".
  5. ↑ Script error: No such module "citation/CS1".
  6. ↑ Script error: No such module "citation/CS1".
  7. ↑ Script error: No such module "citation/CS1".
  8. ↑ Script error: No such module "citation/CS1".
  9. ↑ Script error: No such module "citation/CS1".
  10. ↑ Script error: No such module "citation/CS1".
  11. ↑ Script error: No such module "citation/CS1".
  12. ↑ Script error: No such module "citation/CS1".

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