On Booster 5 this tank was to one side of the tank, however on Booster 7 and onwards this tank is coaxial with the transfer tube which carries liquid methane to the engines. Here's I drawing I made a few weeks ago of how I thought it would look like. I was close! pic.twitter.com/DX9GBxR3q3

— Alejandro Alcantarilla Romera (Alex) (@Alexphysics13) March 5, 2022