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dscc9269.jpg

Detail of the LOX dome side of the injector.

The large, threaded holes in the square bosses are to seat inner-dome dome attach bolts; 16 such bolts are used to attach the LOX dome to the injector.

The large number of smaller holes admit the liquid oxygen to the oxidizer rings on the injector's face.

 
Threaded holes for the inner-dome support bolts on F-1 Engine Injector at Destination Moon
Time picture taken Thu Aug 23 10:46:18 2018
Location picture taken Boeing Hall
St. Louis Science Center
St. Louis, MO
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