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This is the liquid propellant Lunar Module Ascent Engine. It was one of the most important in the manned Project Apollo missions since it was used to lift up the ascent stage of the Lunar Excursion Module (LEM) from the surface of the Moon which was then to dock with the Command Module (CM) orbiting the Moon. In the event of a too fast approach to the Moon, the engine could also be used to slow down the descent. It produced 3,500 pounds of thrust. The engine was developed and built by Rocketdyne.
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: 53 in. long x 32 in. outside diameter (127 cm. long x 81.28 cm.outside diameter. Materials
Overall metal, mainly stainless steel; combustion chamber covering probably a phenolic; aluminum pipes; electrical wire, wrapped with foil Inventory Number
A19751345000
Credit Line
Gift of Rocketdyne Division, Rockwell International Corporation
Data Source
National Air and Space Museum
Restrictions & Rights
Usage conditions apply
For more information, visit the Smithsonians Terms of Use.