The S-IVB also ongoing to thrust in a lower amount by venting gaseous hydrogen, to help keep propellants settled of their tanks and prevent gaseous cavities from forming in propellant feed strains. This venting also maintained Risk-free pressures as liquid hydrogen boiled off in the fuel tank. This venting https://systemonachip53185.blogdiloz.com/30984661/detailed-notes-on-apollo-mcu