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APS Engine (Davidson Center) Gallery


Walk-around of the upper portion of the Ascent Propulsion System engine.

Picture 2 of 8.

The sign accompanying the ascent propulsion system engine reads

Lunar Module Ascent Engine

The descent stage served as a launching platform from which the ascent stage lifted off the lunar surface.

Thrust: 3,500 lb
Propellant: Aerozine 50/Nitrogen Tetroxide (hypergolic)
Mixture ratio: 1.6:1
Engine start capability: 35 times
Developed by Bell Aerosystems
On loan from Smithsonian Institute

Time picture taken Sat Nov 7 10:12:48 2009
Location picture taken Davidson Center
U.S. Space & Rocket Center
Huntsville, AL
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