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This is the F-1 rocket engine used in the first stage of the Saturn V launch vehicle that took astronauts to the Moon in the Project Apollo program. Each F-1 produced 1.5 million pounds of thrust. The first stage of the Saturn V had five F-1s for a total lift-off thrust of 7.5 million pounds. The fully-fueled Saturn V weighed 6.5 million pounds.

The F-1 used RP-1, a type of kerosene, and liquid oxygen as the propellants. The F-1's 2,500 pound turbopump pumped in the propellants at 42,500 gallons per minute. The engine was made by Rocketdyne, a Division of North American Rockwell Corp. Rocketdyne also made the J-2 engines used in the Saturn V's second and third stages.

This engine was donated to the Smithsonian by Rocketdyne in 1975.

 Display Status

This object is not on display at the National Air and Space Museum. It is either on loan or in storage.
Object Details
Country of Origin United States of America Type PROPULSION-Rocket Engines Manufacturer Rocketdyne Division, Rockwell International
 Dimensions Overall: 220 15/16 in. length x 144 5/16 in. diameter (561.24 x 366.52 cm)
Approximate: 18340 lb. (8319 kg)
 Materials Cooling tubes (178 tubes), Inconel X; injector, stainless steel and copper; propellant lines, aluminum; valves, aluminum and stainless steel
 Inventory Number A19750649000 Credit Line Transferred from the National Aeronautics and Space Administration Data Source National Air and Space Museum Restrictions & Rights Usage conditions apply
For more information, visit the Smithsonians Terms of Use.