>I haven't looked at the whole thing yet, but I can tell you that this
>part at least is incorrect.  If the front wheels are parallel, their
>axes will never intersect.  In fact when you turn, one or both wheels
>will skid just a little.
>
>--

I used to have a radio controlled car which would turn the inside-wheel more
than the outside wheel.  Whether it did it perfectly is another story...   I
haven't done anything on my own to find out if real cars are that way too
but I hope that they are...

    -Charles

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