[QUOTE=Skiddins;14853803]Was told by David Spashett to set the steering so it would do a 180 turn in half the track lane width (fairly narrow dedicated 1/12 tracks)[/QUOTE

Different way of saying basically the same thing. Most of the tracks where I've run carpet tend to try and make the layouts with lane widths between 6 and 8 feet. So half of the lane width would yield donuts (also 180s) of between 3 and 4 ft.