Originally posted by techinspector1
Mike, you have to have some way to get the tires to turn in dissimilar arcs as you turn and it's done by intersecting the lines drawn through the center of the lower ball joint and the outer tie rod ends, then running that line back to the rear axle. That will give you 100% Ackerman. If the lines intersect behind the axle somewhere, it's less than 100%. If they intersect in front of the axle somewhere, it's over 100%.
you dont have to make them turn in dissimilar arcs they are gonna do that anyhow. suppose the tie rod ends was in front of the a frame?