I think I understand it somewhat better now. The range
of motion of a cv joint is really determined by the
openings in the ball cage. The balls move in the slots
if the joint is extended or bent. Once the balls hit
the end of the slot the joint can't bend any more or
extend any more. It seems that this is really a
problem that is a combination of extension and angle.
Both joints will go much farther than 22 deg when in
center position.
So where is the axle riding? Inner joint all the way
extended, outer joint all the way pushed in or
somewhere in the middle? I'd think the friction in a
joint will increase the faster the balls travel, that
is the more it is extended or bent. So I guess it'll
push the axles somehwere to the middle if both joints
are worn and lubricated the same. Man this is much
more complicated than I thought.
Reinhard

--- Joel VanderKwaak <joelvanderkwaak@gmail.com>
wrote:

> Not sure if this answers your question, but several
> cvs are compared here:
>
>
http://www.blindchickenracing.com/How_to/CVJoints_Axles/cv_joints_101.htm
>
> On 9/11/07, Reinhard Vehring <rvehring@yahoo.com>
> wrote:
> >
> > Dear listees,
> > I bought a Porsche 924 cv joint, because they
> > supposedly have more articulation than the vanagon
> cv
> > joints (22 vs 17 deg if I remember right) I have
> them
> > both sitting in front of me now. I'm surprised how
> > similar they are. The biggest difference is that
> the
> > balls in the Porsche joint are smaller. So here is
> the
> > question for the experts: What determines the
> maximum
> > running angle of a cv joint? BTW does anyone know
> > where that info about articulation (22 vs 17 deg)
> > comes from. I read it on the list but can't find
> it
> > anymore. I get the suspicion that the Porsche
> joint
> > isn't any stronger, maybe even the opposite.
> > Take care,
> > Reinhard
> >
> >
> >
> >
> >
>
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>

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