Hi, Russell McMahon wrote: > Should be simple enough to work out the limiting case but intuitively it > feels like it may be around 0.5g Depends on the coefficient of friction between the wheels and what's under them ... think "on wet ice"!!! > ... but you can imagine that after you have mastered doing an aerial off the top of a > half pipe the above manoeuvres would become not only second nature but obligatory for > survival :-) I'll do my surviving inside a car thank you. Best regards, Dave -- http://www.piclist.com hint: The PICList is archived three different ways. See http://www.piclist.com/#archives for details.