Date: Fri, 06 Jul 2007 15:16:08 -0400 From: riserman <risermannospamnline.net> Subject: Re: 338 hp saab 900 2-door
th wrote: > riserman wrote: >> Jeremy Brown wrote: >>> I don't know what to make of this guy: >>> http://video.google.com/videoplay?docid=7570206935258612439&q=saab >>> >>> Jeremy >>> >> What a perfect illustration of the limitations of front wheel drive. >> Under acceleration, the center of mass of the car moves to the rear >> and there's not enough weight on the front tires to prevent them from >> just uselessly spinning. >> > > The center of mass does not move under acceleration (except for a small > shift if the tank is not full). > If it's not the center of mass that shifts to the rear under acceleration, and you may well be right, what resolution of vectors shifts to the rear? Is it center of gravity or something else? Front wheel drive cars lose traction easily under maximum acceleration. I know this because it wasn't hard to do even in my 1983 900 turbo. That's why you rarely see front wheel drive race cars. riserman