You get a star for this.

Jim

On Mon, Jan 12, 2009 at 4:46 PM, David Beierl <dbeierl@attglobal.net> wrote:
> At 05:03 PM 1/12/2009, Scott Daniel - Turbovans wrote:
>>
>> Normally my mind is pretty good about 'spatial orientation'
>> stuff........but this one is a challenge.
>> I think if you swap an axle end-for-end..........it still pushes on the
>> insides of each CV the same way.
>
> Ayuh.  It's a head-bender, so solve it graphically.  Wrap two paper
> slips around the ends of a pencil, use one hand to drive it and the
> other to resist, mark arrows on each in the direction of the force
> your hand is exerting.
>
> Flip the pencil end-for-end -- no change.  Use your other hand to
> drive the pencil (with or without flipping it -- now you're working
> against the arrows, so swapping side-to-side works if you can.  Now
> flip the paper slips around on the pencil -- now you're pushing with
> the arrows again, so that works too.
>
> So...end-for-end does nothing.  Flipping the joints on the shaft and
> replacing it on same side works.  Swapping the shaft to the other
> side works.  Flipping joints *and* swapping to the other side negates
> the effect.
>
> :-)
> d
>
> --
> David Beierl - Providence RI USA -- http://pws.prserv.net/synergy/Vanagon/
> '84 Westy "Dutiful Passage," '85 GL "Poor Relation"
>