Comment by bediger4000
2 hours ago
NASA has used tanks with a bladder. Pressurizing gas on one side of the bladder, all fluid inside. Cold liquids (methane in SoaceX case) means materials are crucial. A big piston is heavy and could jam.
2 hours ago
NASA has used tanks with a bladder. Pressurizing gas on one side of the bladder, all fluid inside. Cold liquids (methane in SoaceX case) means materials are crucial. A big piston is heavy and could jam.
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