differential windup and damage

[Huw Powell]

> You could take a gander at page 16 in this document from yokohama  tires:
>  
> http://www.yokohamatire.com/pdf/truckBusRefGuide.pdf
 >
> There may be more on a google search.

All they recommend is to not mix tires on axles, or on vehicles with 4x4.

No mention of differentials.

So far the only explanation I've seen is the one that says they simply 
aren't designed to continuously accomodate differing rotational speeds 
due to lubrication and bearing issues.

And "windup" is something that happens when there *isn't* a 
differential, and is either going to cause tire scrub or break an axle.

I can buy into the danger and warning, relative to the fact that diffs 
just aren't designed to cope as above.  But not that there is some magic 
physics that tears an "ideal" diff apart if rolling speeds are 
different.  That part is the urban legend.

The question then becomes, how much and for now long will do harm?

-- 
Huw Powell

http://www.humanspeakers.com/audi

http://www.humanthoughts.org/