hydroplaning

[mike]

maybe they are talking about the pressure between the
tyre and the road rather than the pressure in the
tyre...all starts to make sense then

mike

 --- Richard Tanimura <rictan302 at yahoo.com> wrote: > 
> --- Mike Arman <armanmik at earthlink.net> wrote:
> 
> > Hydroplane speed is 9 times the square root of the
> > tire pressure.
> 
> That is the darndest relationship. I am trying to
> figure why it would be so. Or rather why a lot of
> other factors like patch size or tire width don't
> factor into it.
> 
> True aquaplaning story: My old Volvo had been rear
> ended. The damage looked to be very slight but
> apparently the rear axel was out of alignment. I ran
> through a big puddle on the highway and my back end
> stepped out on me and I did a 360 before I could
> stop
> the car. On the way home at much lower speeds, I
> could
> feel the back end pull every time I hit water. The
> rear wheels were acting like rudders pointing
> slightly
> in one direction. I will never again take a small
> rear
> end collision lightly.
> 
> My Quattro has excellent rain manners. There is
> nothing like it in the rain.
> 
> Rich
> 
> 
> 	
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