Re: ur-quattro differences (continued)

[DeWitt Harrison <de@aztek-eng.com>]

On Sun, 31 Jan 1999 16:28:05 EST, JG wrote:

>>Isn't track width measured from the center line of the wheel?
>
>Yes, it is ... as a practical matter, though, it's usually measured as the
>distance from the outside of each wheel to the inside of the opposite wheel,
>then averaged.  This takes into account the difference that could be caused by
>alignment settings...
>[ ... ]

This gives a good rough and ready number, but unless it is done twice, both
ahead of and behind the hub and averaged again, the toe setting, or the
Ackerman angles in case the streering isn't aimed perfectly straight ahead,
could throw things off a few mm here and there.

DeWitt Harrison
Boulder, CO
88 5kcstq