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Detail of the upward-facing elbow (behind the round, grey "U" bracket) on the injector.

Picture 1 of 2.

This elbow tapped gaseous hydrogen off from the injector to provide GH2 for fuel tank pressurization.

 
Gaseous hydrogen elbow on J-2 Engine Thrust Chamber J-2111 injector to provide GH2 for fuel tank pressurization at Marshall Space Flight Center
Time picture taken Tue Sep 16 09:30:14 2014
Location picture taken Building 4205
Marshall Space Flight Center
Huntsville, AL
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