some final testing
First driving test, fully autonomous on 16 battery packs, with 48 drive motors. weight of the kid: 40 Kg (88 Lb). No steering yet.
YT user comment: “FYI your video made the frontpage of the LEGO intranet portal :)” , WOW! see also Make Magazine.
48 LEGO MINDSTORMS NXT motors for Driving, powered by only the 16 NXT batterypacks, still geared down, for more power.