P8170017.JPG and P8170019.JPG look like some of the splines have started to
strip putting that hub in the 'dangerous' category. P8170003.JPG looks in
reasonable condition although the tops of the splines have started to
narrow.
When new the splines are triangular in cross-section but with a flat top, I
have been told the hub should have a dia of 2.440" across the splines. As
they wear the flat top gets narrower and eventually gets to a sharp point,
at which time they may actually have a slightly larger diameter than
originally. Then the top of the triangles start to shear off until
eventually the wheel will spin on the hub under braking or acceleration. At
that point the splines have flat tops again, but wider than originally, and
the diameter will be less than originally. Wheels ditto.
----- Original Message -----
From: "Andrew B. Lundgren" <lundgren@byu.net>
To: <mgs@autox.team.net>
Sent: Sunday, August 18, 2002 3:32 AM
Subject: Wire wheel hubs and spline questions...
> ... I have some pictures of the hubs at:
>
> <http://www.lundgren.us/camera/MG%20Pictures/index0006.html>
> <http://www.lundgren.us/camera/MG%20Pictures/index0007.html>
>
> After having read material on how to examine hubs, mine seemed worn,
> that an the creak I was getting made me uncomfortable to drive the car.
> I stopped a while back. But I don't really have any hands on
> experience with good hubs to know how bad mine are.
>
> If you have any experience with this, please take a look at tell me
> what you think. Are my front hubs incorrect, and how badly worn are
> these hubs.
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