On Tue, 14 Dec 2004 13:07:54 -0700, Charles Spitzer
Isn't that what the hand-brake is for? Keep the front (driven) wheels going
with your right foot, pull up on the handbrake, let the ass end slide
around. Works great in a Saab, I suppose if you have RWD you can do
something sort of like that with the throttle?
"left foot steering" is what the Saab rally drivers call it.
corvette. rwd. manual transmission. already doing heel (brake) and toe
(throttle) with the right foot. one almost never takes hands off the wheel
in autox, so ran out of limbs to do that. also, a vette handbrake is on the
left side of the passenger seat down low, and you have to apply it harder to
get it to release as it's on a ratchet of some kind. i usually can't reach
it when using a 5 point harness.
No, sorry. This is when I lived in that 'Far North Chicago Suburb' - Lake
Geneva. Seem to recall it was either the High School or Sentry grocery
Ya know - now that I'm out *here* - they've actually done something pretty
cool. See: http://www.winterdrive.com /
I came out here, via a long layover in Texas and suggested that most of them
ought'a invest in the school.
I have never known or thought a car with ABS would stop shorter and I have
the background for working in the automotive industry for 23 years. It
simply helps you maintain control of the vehicle particularly when on an
inconsistent or slick surface. I have never really heard that ABS makes a
car stop shorter.
Well, I've been piddling with cars for more than twice that long, though not
often from an industry standpoint. But I had thought that ABS was supposed to
keep that sucker in a straight line, which generally will mean shorter stops
than does skidding, letting up on the brakes and correcting before slamming 'em
I'd like to see some test results--I'm sure someone did some at some
time--comparing ABS stop distances to an expert driver who pumps away with
Of course, part of the problem is the number of drivers who perceive themselves
as experts, when most of them aren't even competent beginners when it comes to
"He has all the virtues I dislike and none of the vices I admire." Sir Winston
Actually, it does a bit more than that--it allows steering control during
maximum performance braking. I remember Mercedes demonstrating the
original system--Rudi Uhlenhaut (apologies if I've misspelled his name)
took a new Mercedes flat out around the track at Indianapolis, with one of
the corners wetted down, slammed on the brakes coming into the wet curve,
and steered right through it with the brake pedal all the way down.
The old Bendix system that worked only on the back wheels kept it straight
but let the fronts lock and thus there was no steering control.
Reply to jclarke at ae tee tee global dot net
ABS aslo greatly assists breaking when cornering if the need arises. The
ABS purpose is to keep all the wheels spinning until all have equal drag.
If one wheel locks up the vehicle will start to rotate. On a slick surface
you can easily loose control.
There is that Pumping term again.. LOL.. I recall my parents talking about
pumping the brakes. My recallolection of pumping brakes is sitting in a car
up on a lift and pumping the brake pedal then holding it down while the
mechanic opened the bleed valves on the wheel cylinders and calipers to
remove the air from the system. Those were the days when a brake job
automatically included rebuilding the wheel cylinders and calipers.
Anyway, I always applied the pressure to the brake pedal until I heard or
felt a change in the tires sound or felt a change in tire traction. For
most people I believe that stopping distances can be improved with ABS but
all things being equal sometimes skidding on a rough and stable surface can
stop a car rather quickly. In Houston you can lock up the tires on the
"Concrete" freeways and come to a stop rather quickly, then drive off with
flat sopts on your tires.
Yeah...exactly. Houston is loaded with these people. I learned this
morning that there are 5,000 accidents every year in Houston simply from
people running stop lights. Basically when a light turns red it means 3
more cars are permitted to enter and cross the intersection. I missed that
in drivers ed and still cannot fint hat rule written anywhere. ;~) If you
stop for a red light when it turns red you might get rear ended.
that's for rear wheel only abs. 4 wheel abs lets you stop in turns.
abs pulses at 10 times/second. i'm not sure an expert can do that, and they
for sure can't just pump the brake at a single wheel that is slipping. most
things i've read is that it is just about equal to an expert driver. it also
depends upon the surface: on loose sand/snow, abs can lengthen the stop
Well, the expert driver isn't "pumping with abandon", they're pushing _just_
shy of the skid point. ABS does the same thing, it's just better at measuring
it, and has four feet to push with instead of just one.
Yup. I visit them regularly in ditches. The majority are drunk and/or
inexperienced, but I bet they think they're _all_ better than average
I remember reading a few years ago that a survey conducted by AAA showed that
somewhere in the vicinity of 80% of motorists think that they are better
drivers than average.
Doug Miller (alphageek-at-milmac-dot-com)
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