Scary 911 moment

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Discussion

DonkeyApple

55,239 posts

169 months

Friday 5th February 2016
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Steve H said:
The OP also said that the car had traction and stability control on and was virtually straight at the time.........

I've always found the wet grip under acceleration in these cars to be pretty impressive, the weight over the rear wheels has a huge positive effect and the "backwards through hedges" reputation typically relates more to the older versions, lifting off the throttle and cornering hard - none of which appear to be applicable to the OP's example.
I think the clue lies in the two words 'virtually' and 'boot'. biggrin

battered

4,088 posts

147 months

Friday 5th February 2016
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Get some tuition. You think this is scary, wait until the first time you lift off approaching a corner too fast and find out what lift-off oversteer is like in a powerful RWD car. I learned this in a Caterham 7 on a track, so there was only ego damage as I went backwards into the gravel. However it could have ended in tears. We all know that a 911 will do this and when it does there's a lot of weight to catch and get moving in the right direction again.

Oh, and I have no illusions about my driving skill either. Alain Prost I am not.

bennyboysvuk

3,491 posts

248 months

Friday 5th February 2016
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Pan Pan Pan said:
bennyboysvuk said:
Pan Pan Pan said:
Vyse said:
The description makes the scenario similar to this

https://www.youtube.com/watch?v=miA5qj5ergM
What seemed odd about this video is that the driver did not appear to attempt at making any steering correction to counter the slide, nor did he appear to lift off, after getting out of shape, all a bit odd really. Could the driver have been waiting for electronic aids to do the recovery for him?
I watched my father in law do the same thing, but on a skid-pan in a C63 AMG. He didn't have any idea what so ever about dialling in opposite lock. I would think that a massive percentage of drivers would behave like this. Another large percentage would likely do as Jamie said and apply lock initially, then lift off and not be able to unwind it quickly enough to stop the second swing of the tail.

All I can recommend is practising every day if possible. smiledriving
I don't believe I was the only one doing it, but even when playing at driving a car, as a 6 year old kid in the school playground I was practising doing the opposite lock stuff I had seen on the racetrack. I get a bit embarrassed about doing it in public places now though!
Lol. I think it comes down to experience. My father in law can do many things brilliantly, but controlling a car on the edge of grip is not one of them.

Gandahar

9,600 posts

128 months

Friday 5th February 2016
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The main thing about not controlling oversteer is -

The surprise factor. Get enough of that and you are batting on a sticky wicket that is a greasy pole.

I learnt that not in a TVR but in a humble Mk1 Toyota Yaris 1.0 at 70mph in the wet around the 180 degree Junction 5 M25 turn off onto the A21 near Sevenoaks. One minute I was understeering nicely around a prescribed arc, next moment I was looking out the side window, then across to the passenger seat where Cilla Black had appeared saying "Surprise Surprise". I was and I just sat there. The car corrected itself amazingly from obscene oversteer yaw moment. I do not know how but it did. After a bit of practice I eventually could do the whole 180 degrees in understeer, oversteer, understeer, oversteer, and turn it into a 50p piece. And that's in a 68bhp Yaris.

It was the surprise factor that caught me out, if I had gone into it prepared it would have been fine. This is why bikers do not like diesel.

Tyres and electronics have come on a long way, so we now are conditioned to be less surprised due to it not happening as much.

But then when it does of course .....

Brave post by the OP. Have a good weekend and hope you don't get your porker presenting the comfy cushion anytime soon. Nobody should expect the German inquisition.


Edited by Gandahar on Friday 5th February 14:45

Martin_Hx

3,955 posts

198 months

Friday 5th February 2016
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My first real drive in a RWD car was my dads 5.3 V12 XJS Jag... that could just about wiggle (difficult with a 3 speed auto i think i remember!) but you probably wouldn't want to do it in a car like this...more recently he bought a Mercedes SLK 230k and it soon made me aware how much you need to respect and be smooth with RWD after many years driving FWD and its only 200 bhp.

Steve H

5,270 posts

195 months

Friday 5th February 2016
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DonkeyApple said:
Steve H said:
The OP also said that the car had traction and stability control on and was virtually straight at the time.........

I've always found the wet grip under acceleration in these cars to be pretty impressive, the weight over the rear wheels has a huge positive effect and the "backwards through hedges" reputation typically relates more to the older versions, lifting off the throttle and cornering hard - none of which appear to be applicable to the OP's example.
I think the clue lies in the two words 'virtually' and 'boot'. biggrin
I hear what you are saying but I wouldn't expect a fit car to behave that way (I've owned a 911, instructed in dozens, and currently run a Cayman of similar vintage as the OP's car).

He may have caused this but lets not pretend that modern 911s are widow-makers, they are designed for every-man-and-his-dog to drive without any drama and when in the correct condition they do not handle like lairy TVRs or Caterhams.

Audidodat

182 posts

99 months

Friday 5th February 2016
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Sometimes the conditions are such that the grip level is very, very low. Nice smooth old tarmac, damp and greasy but not wet. In those conditions it takes only the slightest provocation to get things out of shape.

A few weeks ago I pulled out from the local hand car wash in an auto 320d. A kind guy in a truck signalled for me to pull out, so I duly gave it some left hand lock and a reasonable slug of throttle. The resultant manoeuvre must have looked like something from the Dukes of Hazard, as the tarmac, wet and greasy with whatever tyre shine they use, combined with too much torque for grip, to provide a lairy oversteer moment Michelle Mouton would be proud of. The electronics only woke up once a significant yaw angle/motion had accumulated.

And then my wife told me off.

jayemm89

4,035 posts

130 months

Friday 5th February 2016
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I seem to recall from the manual of my 996 that above 62mph the PASM basically doesn't work anyway. Not sure about the 997s, pretty sure the manual reminds the driver the car cannot alter the laws of physics!

Glad the OP was not hurt, only in pride. My M3 did a similar thing to me the other day, although without the spin/slide at the end - i corrected and we carried on and I reduced my speed to compensate for obviously less-than-suspected road grip.

Pan Pan Pan

9,898 posts

111 months

Friday 5th February 2016
quotequote all
battered said:
Get some tuition. You think this is scary, wait until the first time you lift off approaching a corner too fast and find out what lift-off oversteer is like in a powerful RWD car. I learned this in a Caterham 7 on a track, so there was only ego damage as I went backwards into the gravel. However it could have ended in tears. We all know that a 911 will do this and when it does there's a lot of weight to catch and get moving in the right direction again.

Oh, and I have no illusions about my driving skill either. Alain Prost I am not.
Not sure, but it seems you are the only one so far to mention lift off oversteer. Experienced this a few time myself, but usually only when pressing on a bit, and not at the relatively low speed of the car in this particular video. It doesn't half get ones attention though, doesn't it! smile

Pan Pan Pan

9,898 posts

111 months

Friday 5th February 2016
quotequote all
Steve H said:
DonkeyApple said:
Steve H said:
The OP also said that the car had traction and stability control on and was virtually straight at the time.........

I've always found the wet grip under acceleration in these cars to be pretty impressive, the weight over the rear wheels has a huge positive effect and the "backwards through hedges" reputation typically relates more to the older versions, lifting off the throttle and cornering hard - none of which appear to be applicable to the OP's example.
I think the clue lies in the two words 'virtually' and 'boot'. biggrin
I hear what you are saying but I wouldn't expect a fit car to behave that way (I've owned a 911, instructed in dozens, and currently run a Cayman of similar vintage as the OP's car).

He may have caused this but lets not pretend that modern 911s are widow-makers, they are designed for every-man-and-his-dog to drive without any drama and when in the correct condition they do not handle like lairy TVRs or Caterhams.
Perhaps earlier 911`s were a bit lairy, but I am still amazed at how Porsche designers and engineers have taken what is essentially a flawed format (great big engine hanging out behind the rear wheels) and made these cars handle so well.

Ozzie Osmond

21,189 posts

246 months

Friday 5th February 2016
quotequote all
Pan Pan Pan said:
Perhaps earlier 911`s were a bit lairy, but I am still amazed at how Porsche designers and engineers have taken what is essentially a flawed format (great big engine hanging out behind the rear wheels) and made these cars handle so well.
Yes, they seem to have got a good grip of thing.

911 was not the only mid- or rear-engined car to have a distinct enthusiasm for spinning into a hedge. And people wonder why cars are set up to understeer...

Mojocvh

16,837 posts

262 months

Friday 5th February 2016
quotequote all
Great read

As a fwd afficiento stepping into a short geared Sylva mojo was a bit of a shock to say the least!

monthefish

20,443 posts

231 months

Saturday 6th February 2016
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Pan Pan Pan said:
Digby said:
jamieduff1981 said:
Learning to manage powerful RWD cars is what makes them so rewarding.
...without all the electronic crap.
Absolutely. Try driving something like a Caterham 7.
Having done a 'Caterham Drift Day', I don't think they're the best vehicles in which to learn oversteer. They almost grip too well and, to get the tyres to break traction, takes quite a bit of effort and jagged inputs. What's needed is something with a surfeit of power than can overwhelm the rear tyres quite readily with measured inputs so you can feel the car at, and more importantly just beyond, the limit of grip. Something like an old M3 with crap rear tyres

heebeegeetee said:
Steve H said:
OP, make sure the tyres and alignment is 100% before you listen to all the driving gods and blame yourself entirely.
Well said!

That's absolutely the first correct answer imo. Without doing alignment first all the other reasons are cobblers imho. smile
So, if you have perfect alignment on your car, you're fine to floor the throttle coming off a roundabout on a damp road?

wobble

Magic919

14,126 posts

201 months

Saturday 6th February 2016
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Mojocvh said:
As a fwd afficiento
Is that Latin for something?

Steve H

5,270 posts

195 months

Saturday 6th February 2016
quotequote all
monthefish said:
So, if you have perfect alignment on your car, you're fine to floor the throttle coming off a roundabout on a damp road?

wobble
Well, you're a lot less fine to do it if you haven't scratchchin .

Edited by Steve H on Saturday 6th February 15:37