Loss of traction / slide - why ?
Loss of traction / slide - why ?
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MondeoMan1981

Original Poster:

2,445 posts

206 months

Friday 3rd February 2012
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Three times tonight between Ferrytoll and Rosyth I felt loss of traction/slide. Cant really understand why...

Conditions - dry
Temperature - 6 deg C
Car - Mazda 6 2.0 petrol
Tyres - Fulda Kristall, pressures checked 2 days ago

Slide 1 - Normal approach to straight on through medium roundabout, lowish speed, 3rd gear. Into the second part of the roundabout, slowly accelerating, I was about to turn the wheel left to take the exit and felt the front suddenly wash out, followed by a wobble from the rear.

Progressed to the petrol station where I was filling up after a spot of fuel light bingo from Edinburgh! Checked tyres and wheels etc, all fine no sign of pressure issues to the eye. Filled up and left station.

Loss of traction - Its busy pulling out of the petrol station at this time, and after finding a suitable gap, left the station, applying a decent amount of power bearing in mind the gap to next car approaching - result, pile of wheelspin up to 3000rpm which sorted itself out.

Slide 2 - 200 yards along the road, turning right. Medium speed as I was crawling on approach to give way to traffic. Again as I went to turn the wheel left, in 2nd gear, at no more than 12-13mph, front washed out and back and wobbled, loss of traction momentarily after the slide sorted itself.

I'm not talking Tokyo Drifting here, more a light but sudden slide. No sign of any issues with the car and I went through another 5 roundabouts before arriving home and drove a touch more cautiously than normal. Couldnt replicate the slide at all and traction was fine.

Just keen to try and understand it, my only thought was that with it being the main route Rosyth Docks to Kincardine, my guess is diesel from HGVs on the road ?

Any other thoughts ? Definately wasnt driving like a dhead, all of this action occurred below 20mph and 3000 rpm !

thiscocks

3,398 posts

218 months

Friday 3rd February 2012
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Diesel on road/ not very good tyres for the cold. Can't be anything else!

Classic Grad 98

26,132 posts

183 months

Friday 3rd February 2012
quotequote all
Very cold Tarmac which has been repeatedly dusted with salt. Also summer tyres don't work well at below five degrees or so.

MondeoMan1981

Original Poster:

2,445 posts

206 months

Friday 3rd February 2012
quotequote all
Classic Grad 98 said:
Very cold Tarmac which has been repeatedly dusted with salt. Also summer tyres don't work well at below five degrees or so.
These are nice winter tyres, been excellent thus far in the cold and wet - the roads were very very salty though !

furrywoolyhatuk

682 posts

177 months

Friday 3rd February 2012
quotequote all
thiscocks said:
Diesel on road/ not very good tyres for the cold. Can't be anything else!
I would say this. It could be worse you could be on two wheels!

Steve_F

873 posts

217 months

Friday 3rd February 2012
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I drove home from Livingston to Edinburgh 17.15 to around 18.00 tonight and it definitely wasn't degrees. Was hovering around 0 and was only 2 when I was out at lunch. Felt about that temp too.

Simple answer, you were slipping on ice and have a misreading temp gauge.

cptsideways

13,833 posts

275 months

Friday 3rd February 2012
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How old are your tyres?

150bhp

907 posts

195 months

Friday 3rd February 2012
quotequote all
Left the house (Glasgow) at 910am to drop youngest at nursery today and defo felt the roads slippy, temp display read 2 degrees. On way back up the road there's a hill and my wheels lost traction(no traction control) in 1st, 2nd and 3rd gear only going speed limit. Think although ambient temp is above freezing, wind chill and night temps have caused some roads to ice slightly.

Fox-

13,543 posts

269 months

Friday 3rd February 2012
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Crappy tyres I'd imagine. Contrary to popular belief, having 'winter' on the side doesn't make a tyre automatically awesome.

anonymous-user

77 months

Friday 3rd February 2012
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Excessive salting actually makes porous tarmac very slippery!

This morning in MK the council had been rather zealous with their salter's and some of the roundabouts were hilariously slippy (que mucho "tokyo drift" arse out action.... ;-)

YorkshirePudding

2,160 posts

208 months

Friday 3rd February 2012
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Similar for me tonight coming home from work, getting a bit of wheel spin even though the car has Vred Snowtrac 3's fitted.
Went out later in our Pug 107, with stock Eco tyres on, and that was sliding all over if provoked. I just put it down to being cold.

matthias73

2,900 posts

173 months

Friday 3rd February 2012
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I'm actually enjoying it.

Come on, this is pistonheads, you should be driving faster and more sideways wink

zaphod42

58,090 posts

178 months

Friday 3rd February 2012
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6 deg c?

Are you sure?

Globs

13,847 posts

254 months

Saturday 4th February 2012
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zaphod42 said:
6 deg c?

Are you sure?
Not in the UK, it was deeply in the minus when I got back from work today.
It would have been something us boffins call 'Ice' that he slid on.

FisiP1

1,279 posts

176 months

Saturday 4th February 2012
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-3C at 6pm this evening in West Wales, I think that temperature gauge is lying to you.

Tunku

7,703 posts

251 months

Saturday 4th February 2012
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MondeoMan1981 said:
Classic Grad 98 said:
Very cold Tarmac which has been repeatedly dusted with salt. Also summer tyres don't work well at below five degrees or so.
These are nice winter tyres, been excellent thus far in the cold and wet - the roads were very very salty though !
I'm in Dunfermline, have new Kleber Quadraxer all-seasons on all corners, they grip like a Staffordshire terrier on a crotch.I have noticed the same in the last couple of days. It is the dry salted roads. They have been gritted every day and there has been no precipitation to wash it away.
Look at how white your treads are next time you are outside the car. It's like talcum powder. I get the front to light up just by pressing harder on the pedal when pottling along at thirty in third.
Great fun.

VR6 Turbo

2,687 posts

177 months

Saturday 4th February 2012
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one thing I have noticed around my way, is the salts different this year. its not the normal grit it looks more like table salt.

no idea if this could be a factor though.

VR

TheAlfaMale

629 posts

171 months

Saturday 4th February 2012
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Temp gauge was wrong; also that measures air temperature. Ice was forming on the ground, which is often very different in temperature, especially on a dark surface such as Tarmac. Dark colours radiate and thus lose heat quicker than light colours. [/geek]

GreigM

6,740 posts

272 months

Saturday 4th February 2012
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I've noticed the roads around the Rosyth Docks can be "extra greasy" and thought before it must be the over-brimmed wagons from the continent.

cslwannabe

1,565 posts

192 months

Saturday 4th February 2012
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How much tread do they have? They are decent tyres Fox - bought a set last year for my Ovtavia after extensive research on some of the German tyre tests. Was going to buy some Vredestein (still did for the XF) as had never really heard of Fulda but someone on bmwland suggested I consider them.