NOT KNOWN FACTUAL STATEMENTS ABOUT APOLLO4 BLUE PLUS

The S-IVB also continued to thrust in a small degree by venting gaseous hydrogen, to help keep propellants settled in their tanks and stop gaseous cavities from forming in propellant feed strains. This venting also taken care of Harmless pressures as liquid hydrogen boiled off inside the gasoline tank. This venting thrust easily exceeded aerodynami