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Pressurized with what? They've already used their fuel for the landing. They can't put anything else in the tanks without worrying about contamination for the n
by IX-103 2y ago
Pressurized with what? They've already used their fuel for the landing. They can't put anything else in the tanks without worrying about contamination for the next flight.
- avmich 2y agoPressurization gases? The fuel goes from tanks to engines (engine pumps) because tanks are under pressure, right? Even if the liquids are spent - they are rarely spent in full - the gases remain.
- r2_pilot 2y agoHelium is a common pressure/purge gas in the fuel/oxidizer tanks.
- agrajag 2y agoThey autogenously pressurize the tanks - they heat up the cryogenic propellants with the engines and use some of the gas to pressurize the tanks. In Starship’s case it’s methane and oxygen.