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The turbopump's LOX dome.

Picture 1 of 2.

It differs substantially in appearance from a normal H-1 rocket engine LOX dome.

This bobtail thrust chamber also lacks a fuel inlet manifold around the forward end of the thrust chamber, just aft of the LOX dome.

The LOX high-pressure duct is seen coming diagonally from the lower left, and the equivalent of the gimbal bearing mount is at center of the LOX dome.