THE SMART TRICK OF AMBIQ APOLLO3 THAT NOBODY IS DISCUSSING

The S-IVB also ongoing to thrust at a lower degree by venting gaseous hydrogen, to keep propellants settled of their tanks and stop gaseous cavities from forming in propellant feed traces. This venting also maintained Harmless pressures as liquid hydrogen boiled off in the gasoline tank. This venting thrust simply exceeded aerodynamic drag.[citatio