Front - Rear Torque Bias

Doug Johnson ur-quattro at msn.com
Wed Feb 18 13:46:34 EST 2004


Greg,

Actually, with a differential locked, even though the wheels turn at the
same speed, the torque is far not "controlled" by the differential.  It's
dependant upon the friction between the tire and the ground.

Again, one tire on ice and the other on high-friction surface, and BECAUSE
the wheels are rotating at the same speed, and BECAUSE the resistance that
each feels to its rotation, the torque being transmitted to each of these
wheels is far different.  It's dependant upon the friction between the tire
and the surface that's acting against (the ground).  The best way to
visualize the difference in torque, is to think of how much force each of
these two axles "feels" in this situation.  I hope it's clear that, even
though the tires turn at the same speed, very little torque (force) is being
transmitted through the axle to the tire sitting on the ice.

HTH,

 ~ Doug

PS - Where does the "Quattro-Bounces" address go to???  <looking dumb...>

> -----Original Message-----
> From: quattro-bounces at audifans.com
> [mailto:quattro-bounces at audifans.com]On Behalf Of Greg Galinsky
> Sent: Wednesday, February 18, 2004 10:32 AM
> To: Brady Moffatt
> Cc: Quattro-Bounces (E-mail); Quattro List (E-mail)
> Subject: Re: Front - Rear Tourque Bias
>
>
> On the pre Torsen units it was only 50-50 when the center differential
> was locked.  Without it locked I thought it was 60-40 biased towards the
> front
>
> Greg Galinsky
> G & G Service
>
>
> Brady Moffatt wrote:
>
> > I thought it was 50-50 on pre-Torsen urqs, 4kqs and 5kqs.
> >
> > Cheers,
> > Brady
> > Urq, 4kq, Z
> >
>
>
>
>
>
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