Rocket Engine, Liquid Fuel, for Jupiter Missile

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    Rocket Engine, Liquid Fuel, for Jupiter Missile

    Tubular at top of combustion chamber with large bell-shaped nozzle flaring out below and pumps and other plumbing joined to the top of the chamber and thrust mounting. The engine also features regenerative-cooling through the "spaghetti" configuration in which the cooling tubes form the longitudinal walls of the chamber thereby both strengthening the chamber as well as cooling it with the flow of fuel prior to injection. A series of horizontal bands further strengthen the chamber.

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This object is not on display at the National Air and Space Museum. It is either on loan or in storage.

This is the liquid propellant Jupiter rocket engine that powered the U.S.'s first intermediate ballistic missile (IRBM), the Jupiter, of 1,600 miles range. It was a modification of the Redstone rocket engine and used liquid oxygen and RP-1 (a type of kerosene). The engine produced 150,000 lbs of thrust. The Jupiter missile became operational in 1960 and retired from the military service in 1963. This engine was transferred to the Smithsonian in 1970 from the NASA Marshall Space Flight Center.