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dsc85198.jpg

Overall walk-around of the hypergol manifold, located below the LOX dome.

Picture 2 of 8.

During engine bootstrap, when the fuel pressure from the No. 1 fuel high-pressure duct is high enough, it ruptures the hypergol igniter diaphragms and forces pyrophoric fluid (fluid which spontaneously combusts upon contact with oxygen) into the thrust chamber through igniter fuel orifices in the injector.

 
F-1 Engine (Davidson Center) at U.S. Space and Rocket Center
Time picture taken Fri Jul 20 14:21:40 2012
Location picture taken Saturn V Hall
Davidson Center for Space Exploration
U.S. Space & Rocket Center
Huntsville, AL
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