I believe it does need to be correct in both planes. The diagrams so far refer to Ackerman but there is also a proper relationship of where the steering arms should be in relation to upper and lower suspension pivot points in the other plane. Perhaps Peter can explain more with diagrams? Steering is a fairly complex issue, which is why using a front end like a Jag or a Rod Tech or similar (or using factory steering for the fitted front end like in my coupe!) where all this has been done for you is so much simpler!Brett.C wrote:Peter, doesn't it become a bit more complex due to the need to find where (or how far) the outer tie rod pivot sits in relation to the steering axis (kingpin inclination)?
Warpspeed wrote:If you know your track and wheelbase dimensions, and that typical steering full lock usually maxes out at around twenty degrees in either direction, you can then work out the "theoretical" required toe out on turns geometrically.
My 2-3deg comes from checking various car specs and a wonderful book I have called Auto Mechanics Fundamentals, by Stockel
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