What you say is very true and is something that might not be readily obvious. A given angle of the steering arms can only provide the ideal Ackermann geometry for a single specific wheelbase length. This geometry is locked in by the steering knuckle casting and since the same front axle is used on many different lengths of truck the geometry must be a compromise for all but one. Shorter-than-nominal wheelbases will show the problem worse than longer-than-nominal because the resulting smaller turning circle makes the error proportionally greater.
The same problem comes up with adjustable width axles on tractors - the geometry can only be correct for a specific track width.
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Today's Featured Article - Trenching With a Plow - by Staff. Introduction: This interesting information came from one of the discussion forums here at YT. We thought we should place it up front so it could be read by anyone interested in putting old iron to work. [Editor] I tried something new today, and it worked so well I thought I should post it - in case it might help someone else. I'm running 100 yards of 4" drain pipe from the gutter downspouts of our house to a pond down the hill. This should hel
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