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dsca9135.jpg

Overall view of the fuel inlet manifold. Note the flat spot; on an actual thrust chamber, there would be a fuel inlet here with a flange onto which the fuel high pressure duct would be bolted.

On this particular test turbopump, I'm not certain where the discharge from the fuel turbopump was directed. On an actual thrust chamber, 70% of the fuel would have been directed down the regenerative cooling tubes comprising the thrust chamber, but of course this is a truncated thrust chamber (and many tubes have had sections removed).

 
Fuel inlet manifold on F-1 Engine Turbopump from Cold Calibration at Marshall Space Flight Center
Time picture taken Fri Sep 19 13:01:48 2014
Location picture taken Boneyard
Southeast of S-IC Test Stand
West Test Area
Marshall Space Flight Center
Huntsville, AL
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F-1 Engine Turbopump from Cold Calibration Gallery
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