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Braking with ABS. . . .

  • Thread starter Thread starter OS
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OS

OS

Lifer
On ordinary cars, you cannot slam on the brakes while turning at higher speeds or else you spin out, you have to apply even and gradually increasing pressure to safely stop. In fact it's a bad idea all together to slam on the brakes on non ABS cars.

So can you just punch the brakes on a car that has ABS, especially while turning or on wet/low traction surfaces, without fear of losing control?

I haven't really had the chance/opportunity to try it out yet. One of these days, I will have to look for a performance driving class around here 😎
 
Last 2 cars I've had, have had ABS.
I've had a few times where ABS may have made all the difference in the world. One time there was no question about it. I was tired and I was going to fast to take the turn onto the ramp. Without abs I would have hit that curb and been spending $1500 to fix my front end. With the ABS I was able to slam on the brakes and still turn. I'd say ABS just paid for itself in that moment...
 
it depends

any kind of threshold braking uses most of the tires traction to slow the vehicle in a forward motion. generally anything other than light/moderate braking in a corner is bad mojo (WHAT THE HECK ARE YOU DOING BREAKING IN A TURN!!!!!!!!!!!!!! SET YOUR SPEED FIRST)

ABS can help in that it semi-prevents a total four-wheel lock up. if you are turning close to the edge of your traction and slam on the breaks, ABS or not you'll be calling a tow truck to get you out of the ditch.

I like ABS by the way, just don't abuse it or let it give you a false sense of security. Rubber is rubber and can only grip so much, start asking a tire to brake and turn and you'll be sorry.
 
I would also like to know this. If you're taking a turn at near-max G of the car and you crank on ABS will you fly off corner or do ok? I am thinking that you should do ok... in a regular car obviously you'll lock and fly out.
 


<< any kind of threshold braking uses most of the tires traction to slow the vehicle in a forward motion. generally anything other than light/moderate braking in a corner is bad mojo (WHAT THE HECK ARE YOU DOING BREAKING IN A TURN!!!!!!!!!!!!!! SET YOUR SPEED FIRST)

ABS can help in that it semi-prevents a total four-wheel lock up. if you are turning close to the edge of your traction and slam on the breaks, ABS or not you'll be calling a tow truck to get you out of the ditch.

I like ABS by the way, just don't abuse it or let it give you a false sense of security. Rubber is rubber and can only grip so much, start asking a tire to brake and turn and you'll be sorry. >>



lets face it, there WILL be some situations where you MUST slow down (not necessarily suddenly stop) AND turn at the same time. It's not common, but it does happen. AND these situations occur more often in high density urban areas (which I see you don't live in one). All I want to know is if ABS significantly helps or not.

I understand that the limiting factor will in the end be how much your tire sticks to the pavement.

christ, you ask a question about braking and someone comes out to rip on you even though they've never seen you drive. Gotta love the net. 😛 Please save your judgement for someone/something else.

Anyways, thanks much to the others who also answered.
 
well heck, just trying to help. 😉

in a panic situation, YES abs will help a good deal. I was just trying to stress not to belive you can go willy-nilly into a corner and suddenly brake just because you have ABS.

seriously though - if you have a car with ABS then play around with it, pretty cool to tell you the truth.
 


<< I would also like to know this. If you're taking a turn at near-max G of the car and you crank on ABS will you fly off corner or do ok? I am thinking that you should do ok... in a regular car obviously you'll lock and fly out. >>



sorry skorb, you do that and all four wheels will probably lose traction and put ya in da ditch.

<-------no rippin here, just trying to keep you guys from getting into trouble.
 


<< well heck, just trying to help.

in a panic situation, YES abs will help a good deal. I was just trying to stress not to belive you can go willy-nilly into a corner and suddenly brake just because you have ABS.

seriously though - if you have a car with ABS then play around with it, pretty cool to tell you the truth. >>




LOL, ok. I just reread my first post and it comes off as asking if ABS makes you invincible, hahaha.

Hmm, my parents have this old volvo turbo w/ABS that they'll probably let me bum for a bit. Gotta find some wide open empty parking lot somewhere 😀
 
sorry skorb, you do that and all four wheels will probably lose traction and put ya in da ditch.

Thats what I wanted to know without really testing!
 
stop away, it like, pumps it for you. Adding presure here, adding speed there to make the car stay straight unless you want it to turn of course 🙂
 


<< Gotta find some wide open empty parking lot somewhere >>



good man - best way to get the "feel" of 'em. volvos have excellent ABS btw.
 
If you are on gravel and find you have to stop immediately from high speed its actually better to stomp on the brakes and switch the ignition off so the wheels lock up.
 
ABS is some scary sh!t. If I were to ever buy a car with it I am secure in the knowledge that I can sell it for a nice sum and get real brakes.
 
If you slam the brakes during a turn you will lose traction, abs or no abs.

Think about it. You only have a finite amount of contact between the car and the road (the tire contact patch).

If you turn at the limit, 100% of the traction created by the contact patch is working towards making the car follow the line you set. If you brake, the car will skid because it can't do things at once.

However if you turn at at slower pace, the car still has enough traction to brake and maintain control.

However you should be braking BEFORE you turn!!! Never ever slam on the brakes while turning! Unless your going really slow but even then I wouldn't. The tires cannot do to things at once. You also should not be acclerating while turning, well atleast until you hit hte apex of the turn.

Think about this in terms of forces. While accelerating, there is only one force so 100% of traction goes towards that. Same with braking. When turning, you want to ideally have a constant speed, when a=0, f=0 because f=ma. You want all the traction to go towards the turning movement, you do not want the traction to be divided up between acceleration or braking and turning. If you are turning at the limit, you don't have enought traction to accomade braking and still maintain the line.

However if you want to drift, its another story, then you tend to brake and slam on the gas and the rear end will pop out (this is on a FWD car).
 
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