This is a bug of this game, it cant be fixed guys! I spent almost 2 weeks testing different aircraft configurations but the cause of this wobble during take off just cannot be identified. Although I have on occasions successfully created aircrafts tat can go high speed on the runway, ususally my aircraft will wobble during take off. I have experimented with those aircraft tat are stable on the runway and found tat even the tiniest shift in the position of landing gears, like a centimeter shift in whichever direction will cause a stable aircraft to become unstable. I have tried putting landing gears as far apart as possible, removing all fins and wings, make aircraft super light, make aircraft super heavy, hanging weights on either side of the aircraft, allow steering, disable steering, use different landing gear, shifting center of mass and pressure, use symmetry, dont use symmetry, unicycle, bicycle, tricycle, quadracycle, manually rotating and aligning landing gear, use alignment guide lines, giant centipede with 20 wheels... you name it, every single thing tat can be done has been done. I have scoured the internet for a solution, even learned some physics along the way.