The kobuki foundation by yourself isn't going to drift, so it makes sense the tilted inertia will cause the drift. Needless to say I'm able to hack my URDF using a weightless superstructure, but I desired to correct this in a far more realistic way. I attempted all I can https://www.uk-exhibitionstands.co.uk/product/infinity-led-light-box-display-stand-950s/