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Rocketdyne F-1 and J-2 Rocket Engine Development and Testing

The F-1 and J-2 Rocket Engines, developed by Rocketdyne, were the essential propulsion components of the Saturn V space vehicle.
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1 of 11 Jason Perlow/ZDNet

Each of the five liquid kerosene (RP-1) and liquid oxygen (LOX) fueled F-1 engines were capable of delivering 1.5 million pounds of takeoff thrust, for a combined thrust of 7.5 million pounds during the boost phase. (Jason Perlow) 

Read more about Rocketdyne and its role in the Apollo Program

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Dr. Werner von Braun, lead designer of the Saturn V rocket, shown here dwarfed by the S-IC Stage and its F-1 engines. (NASA)

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A schematic of the main component parts of the Rocketdyne F-1 Rocket Engine.

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A 1961 photo of the F-1 undergoing early testing at Edwards Air Force Base. (Photo Courtesy Rocketdyne)

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Another dramatic photo of the F-1 on its gigantic test stand undergoing a test firing. (Photo Courtesy Rocketdyne)

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F-1 engines being assembled at Rocketdyne. (Photo Courtesy Rocketdyne)

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F-1 engines being assembled at Rocketdyne (Photo Courtesy Rocketdyne)

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Five J-2 engines, with approximately 225,000 pounds of thrust each, were on the second stage of the Saturn V. A single J-2, with restart capability was on the S-IVB stage for trans lunar injection (TLI). Liquid Hydrogen was used as a fuel for its improved Specific Impulse (Jason Perlow)

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J-2 engines on the factory floor, circa 1964. (Photo Courtesy Rocketdyne)

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J-2 engines on the factory floor, circa 1964. (Photo Courtesy Rocketdyne)

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The J-2 engines are mated to the S-II stage, with the Cape Canaveral launch complex shown in the distance.

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