Quoting kenyon wills <imperialist60@xxxxxxxxx>: > wind was blowing really hard. Of course the weight of the car, and the > relative lack of hurricane force cross winds might probably also > contribute to the fins not really making a difference. Maybe at 100 > mph > they make the car track straighter, but the gyroscopic forces of the > wheels would tend to help any car on that point. Actually, as the speed increases, I have noticed that the effects of the cross winds generally diminish. The reason is most likely that the fast forward speed reduces the angle at which the wind "hits" the car. D^2