NASA Completes Wind Tunnel Tests On SpaceX Super Heavy V3 Ahead Of Artemis IIIPublished byin.mashable.comon •1 min readVersion 3 of Super Heavy carries major design changes, including new Raptor 3 engines, three larger grid fins instead of four, and an integrated hot stage replacing the old interstage.aerodinâmicatestessuper heavyraptorLearn moreShareLegalReport