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lift-off oversteer is a bitch...

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Jack_Cheese
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PostPosted: 11:20 - 24 Jan 2008    Post subject: lift-off oversteer is a bitch... Reply with quote

... when it does this to your car
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NSR Mick
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PostPosted: 11:22 - 24 Jan 2008    Post subject: Reply with quote

Nasty. Shocked That'll teach you to keep your toe down.
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killa
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PostPosted: 11:38 - 24 Jan 2008    Post subject: Reply with quote

You got any T-cut Jack?
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m99dws
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PostPosted: 11:45 - 24 Jan 2008    Post subject: Reply with quote

I agree with Killa, that'll buff right out.
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Steve H
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PostPosted: 12:05 - 24 Jan 2008    Post subject: Reply with quote

Was 'T-Cut Jack' the Ship Valeter in The Pirates of the Caribbean?
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st3v3
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PostPosted: 13:49 - 24 Jan 2008    Post subject: Reply with quote

Too much time 'noddin' to your choonze on ya flashy steroe could also have been a factor. Wink
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Barry_M2
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PostPosted: 13:53 - 24 Jan 2008    Post subject: Reply with quote

Jack, I done something very similar to an old 5 turbo I had many moons ago. Lifted off mid corner, rear swung round. I smashed the front on the central reservation and flew backwards across the road into a post, which smashed up the rear quarter! Embarassed

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Wave2k
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PostPosted: 13:57 - 24 Jan 2008    Post subject: Reply with quote

Ive done that in my crap polo when its icy, apart from i didnt crash, i just span round.
Ive heard that when a FWD car goes, you dont stear away like you would a RWD car you have to steer into what you are heading for i.e tree.
Alot harder to correct when they go wrong the old FWD.
RWD is pretty much instinct as in you let your foot off the gas and steer away from the skid.

*quoting from someone who done a drift course.
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.....
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PostPosted: 14:00 - 24 Jan 2008    Post subject: Reply with quote

Skid correction is easy. Just do the opposite to what caused the skid. Rear wheel drive cars are trickier and need more balance of the throttle. Front wheel cars are easy, just nail the throttle to drag you out of the slide.
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binge
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PostPosted: 15:00 - 24 Jan 2008    Post subject: Reply with quote

Joe wrote:
Skid correction is easy. Just do the opposite to what caused the skid. Rear wheel drive cars are trickier and need more balance of the throttle. Front wheel cars are easy, just nail the throttle to drag you out of the slide.


agreed. If your arse end shoots round to the left on a FWD car, Just pin the throttle and turn left (to the outside of the slide) and it will pull the front end back straight.


RWD ive found letting off the gas helps alot. Nearly totaled an old 316 I picked up for a few hundred last year.
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owdamer
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PostPosted: 15:27 - 24 Jan 2008    Post subject: Reply with quote

Barry_MC21 wrote:
Jack, I done something very similar to an old 5 turbo I had many moons ago. Lifted off mid corner, rear swung round. I smashed the front on the central reservation and flew backwards across the road into a post, which smashed up the rear quarter! Embarassed

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I had a very similar experience. I ended up sliding down the bypass sideways until the front end hit the left hand wall hard and bounced me back out. I was lucky enough to stop before then back end hit anything though.
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Bendy
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PostPosted: 16:36 - 24 Jan 2008    Post subject: Reply with quote

Pinning the throttle in a skid is a bad idea, be it fwd or rwd.

You decelerate or ideally declutch*, stopping the remaining energy in the engine from keeping your wheels spinning, allowing them to more quickly regain traction. They won't do that until their speed of rotation is the same as the road speed - when they are, you have grip.

* unless you've got traction control, you let that sort it out

Front wheel skid (understeer), you basically straighten it up (often aiming for the thing you don't want to hit). Given half a chance you can employ a gentle 'rocking' of the wheel a little to left and right which helps get the wheels pointing and rolling in the direction you're actually travelling, which means grip, and then you can steer away from the tree.

Rear wheel skid (oversteer), you steer into (instinct). Trick is not to overdo it, of course.


I spent an interesting afternoon at the Castle Combe skid pan learning that - fun and useful. And I won the time trial at the end cos I'm 'made of win'.

https://www.drivetechltd.co.uk/ - recommend it.
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AJI
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PostPosted: 18:08 - 24 Jan 2008    Post subject: Reply with quote

binge wrote:
Joe wrote:
Skid correction is easy. Just do the opposite to what caused the skid. Rear wheel drive cars are trickier and need more balance of the throttle. Front wheel cars are easy, just nail the throttle to drag you out of the slide.


agreed. If your arse end shoots round to the left on a FWD car, Just pin the throttle and turn left (to the outside of the slide) and it will pull the front end back straight.


Thumbs Down

All well and good if you're on a racetrack with plenty of space but unless you get the steering correction *exactly* right then pinning the throttle will flick you the other way into a tree when the tyres grip again.

Even in a FWD on the road you're supposed to turn into the skid and lif *off* the throttle, just gently. Let's face it, if you're sliding from lift-off oversteer then lifting off more won't exactly transfer any more weight to the front.
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binge
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PostPosted: 19:24 - 24 Jan 2008    Post subject: Reply with quote

Im only going from what ive personally experienced.
My 206, Ive taken some seriously fast corners, and lost the arse end. By just turning out of the skid and keeping the gas on has kept the rear from carrying on round.

And same as my BM 316, I lost it on a roundabout with dam_buster. I just let off and steered out of the skid again. and it straightened up.

Then 206, I lost the rear end many times, and using that method saved my arse. Laughing
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Cigaro
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PostPosted: 19:50 - 24 Jan 2008    Post subject: Reply with quote

Gutted!

Is that an Escort? I killed one of those once, same colour Laughing
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Jack_Cheese
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PostPosted: 10:07 - 25 Jan 2008    Post subject: Reply with quote

Bendy's right, if i'd hit the clutch straight away, the engine braking would have stopped, as would the slide, but this thing went completely sideways before the front hit the barrier.

The corner, which i had only been round once before, tightened just after the point where i lifted off. Once i'd lifted off completely, i glanced the brake pedal and all hell broke loose.

When the car was on 14s it would go sideways all the time, and i got used to bringing it back out of slides, but it was very reluctant to bite once i put the 17 inch wheels on. I had a suspicion it might go in a big big way eventually, but it serves me right for driving like a tosser.

Jack
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Finglonga
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PostPosted: 11:05 - 25 Jan 2008    Post subject: Reply with quote

Hope you told the insurance about the 17" wheels as they may be a factor of the accident. If you didn't you may not get a payout if your insured fully comp.
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Cigaro
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PostPosted: 12:05 - 25 Jan 2008    Post subject: Reply with quote

Never ever lift off mid-corner in a FWD car. Do all your slowing beforehand and aim to accelerate out. Alternatively, drive more slowly and things like this just won't happen. Cars are for work, bikes are for fun Wink
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Zen Dog
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PostPosted: 14:11 - 25 Jan 2008    Post subject: Reply with quote

Good job it was only an escort really, you could have totalled a nice car there...

Count yourself lucky!

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AJI
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PostPosted: 18:26 - 25 Jan 2008    Post subject: Reply with quote

TheBassJunky wrote:
Never ever lift off mid-corner at the limit of grip in a FWD car. Do all your slowing beforehand and aim to accelerate out. Alternatively, drive more slowly and things like this just won't happen. Cars are for work, bikes are for fun Wink


Edited for clarity - it's perfectly safe to lift off mid corner, as long as you haven't already loaded up the tyres. Even then, not many cars will oversteer, many will just tuck in.
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Endless Nameless
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PostPosted: 18:49 - 25 Jan 2008    Post subject: Reply with quote

I reckon that's just karma getting back at ya for putting such daft wheels on Laughing

Bad luck though... we all make cock- ups, looks like you were just unlucky. When the shit hits the fan you usually have a split second to react and do summit about it- luck of the draw sometimes whether you do the right thing!
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djr
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PostPosted: 19:03 - 25 Jan 2008    Post subject: Reply with quote

Zen Dog wrote:
Good job it was only an escort really, you could have totalled a nice car there...

Count yourself lucky!

Zen Dog


Orion innit bruv Wink Rolling Eyes ?
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Jack_Cheese
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PostPosted: 19:31 - 25 Jan 2008    Post subject: Reply with quote

Mk6 Saloon, they dropped the orion name for the Mk6 to boost sales figures for the escort Wink

finglonga wrote:
Hope you told the insurance about the 17" wheels as they may be a factor of the accident. If you didn't you may not get a payout if your insured fully comp.


I was only tpf&t so i never informed the insurance, and i got the car recovered swiftish before Police turned up!
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DaveH
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PostPosted: 00:40 - 26 Jan 2008    Post subject: Reply with quote

Both right; the skid was caused with the back end losing traction/lateral grip when the weight suddenly shifted forward;

flooring it will send the weight back to the rear wheels and hopefully helps them regain traction and arrest the lateral slide...

putting the clutch in will have a similar effect, if slower, as it basically just stops the transfer of weight to the front and its spread more evenly across front and back and hopefully, again, the weight will help the wheels regain traction.

Flooring it is very counter intuitive and has the disadvantage of inceasing the speed at the point of impact if you do not regain proper control.

The shorter the wheel base the faster it'll snap round.


Also a piece of advice that I read in a Jackie Stewart book that actually stopped me having an accident was this:

If you are approaching a corner and nothing happens when you turn the wheel, do not panic, straighten the wheel and try turning again.

This happened to me when I hit black ice and using the above technique I made it round the corner Thumbs Up
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Johnny GSX-R
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PostPosted: 20:38 - 26 Jan 2008    Post subject: Reply with quote

DaveHogg.

Best post yet on this topic Thumbs Up
There is some serious 'CACK' in the previous posts by people with little experience (or so i suspect)

All these scenarios are dependant upon road conditions, tyres, weight, speed and aggression at the controls.
Any of the above in novice tense hands can be a recipe for disaster.

Lifting of mid corner is not a good idea as a rule, steady in, balance the throttle and watch for the vanishing point. DO NOT apply throttle until your sure you won't need to lift off.
Hard throttle on & off mid corner will show results like Jack has experienced.
I raced rear wheel drive cars in various guises for 7 years, i'm an advanced driver in RWD, FWD & 4WD...... Its about keeping your cool, however, when caught unaware its a tall order.
I pushed the TVR in the wet and dry on some belting roads over the last week and find it to be a good test of my experience. The short WB is the chink in the armour in the 'TIV' coupled with huge grip, once it does let go its all very sudden and unexpected.
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Old Thread Alert!

The last post was made 18 years, 77 days ago. Instead of replying here, would creating a new thread be more useful?
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