As a safety engineer, along with my dad, we have looked at many MVA's (Motor
Vehicle Accidents) in the past and I would guess 95% of them all have one
thing in common. And that is they leave tire (skid) marks from the
accident. Those that can control there brakeing and stay in control without
skidding will be MUCH LESS likely to be involved in a crash. The coeficient
of friction for tires is approx .95, and once they start to skid (which if
you look at it in slow motion...the tires are skidding on the burning
rubber) the coeficient of friction drops down to the area of water (ever
hydroplaned in your DAK?...same idea as skidding on rubber)
Well there. A little in depth stuff for any of you interetsted. BTW - if
you are ever in a car wreck and leave skid marks and there is a question
about your speed...through the use of the coefficent of friction the police
(or myself as an investigator) can tell if you were speeding or not. Pretty
neat stuff huh?!
-------------
Dakota Dodge
Profile at:
http://www.twistedbits.net/WWWProfile/dakota/XgAJPmbQu2jpA/profile.htm
Truck Home Page: http://www.dakota2.4mg.com
>
>A rolling tire provides more stopping force than a skidding one. Being
>able to steer is a bonus.
>
>--- "Mr. Plow" <adam_is_mr_plow@hotmail.com> wrote:
> > Well, maybe it's my ignorance, but i'm going to disagree here.
> > It is my understanding that the reason to let up just before locking
> > the
> > brakes is to avoid skidding and maintain directional control of the
> > vehicle.
> > Anti-lock brake were developed to continue to be ablt to steer the
> > car/truck at maximum braking. If you lock the fronts up, you cannot
> > steer,
> > you just slide in that direction.
> >
> > But that's just my opinion, i could be wrong, if so please enlighten
> > me.
> >
> >
> >
> > >
> > >If you have made the mistake of locking your brakes then the only
> > >thing that is going to slow you down is the kinetic friction of your
> > >tire against the road which is MUCH lower that the static friction
> > of
> > >your tire rolling on the ground.
> > >
> > >This is why we were all told to ease up on the pedal if you lock up
> > >the brakes in order to stop faster. But I do agree that a stronger
> > >braking system would allow us to get closer to the edge of skidding
> > >with enough modulation to stop a lot faster.
> > >
> > >NITF
> > _________________________________________________________________
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> >
>
>
>=====
>-andy
>
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This archive was generated by hypermail 2b29 : Fri Jun 20 2003 - 12:02:05 EDT