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S80 '06-'16 / V70 & XC70 '07-'16 General Forum for the P3-platform S80 and 70-series models |
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One Of Them "No! No! No!" Moments...Views : 1964 Replies : 27Users Viewing This Thread : |
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Feb 15th, 2018, 20:02 | #21 | |
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Feb 15th, 2018, 20:36 | #22 |
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My XC70 has got hill descent control which holds the speed constant with the ABS. Not tried it anger but had a play with it on a slippy hill and it seems to do the trick. I believe it also works in reserve which is handy if you attempt to go up a hill that's a bit too steep
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2008 XC70 3.2 SE Lux with LPG conversion - current 2005 XC70 D5 SE Lux - sold 2004 XC70 D5 SE Lux - written off by another XC70 2001 V70 D5 - sold 2000 V70 Classic 2.4 - sold |
Feb 16th, 2018, 15:02 | #23 |
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You mean reverse, I presume? Yes, if you keep your foot away from the accelerator it will allow max 7 km/h backwards and 10 km/h when going the normal way.
It will apply the brakes with the ABS system active. Thus in reality it will brake each wheel as much as it can take, if the speed is increasing. |
Feb 17th, 2018, 08:17 | #24 | |
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With low ratio gearbox wheels are always turning even if sliping over the surface and speed in 1st gear is slow walk so always able to steer, even if into the bank to stop you. My old technology disco 1 will come down a steep wet grass slope with no drama while more modern stuff is locking releasing locking wheels with the abs based hill descent, some of the skid marks are 4 foot long, especially where the driver bottles it and has their foot on the pedal. I do not say hill decent cannot be a valuable aid but aid it is and I would rather my low ratio box and gears to keep speed to slow walk than an on off braking system. It's the interaction between the tyre contact patch and surface that gives control, the fewer variables the better in my view. Paul. |
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Feb 17th, 2018, 09:26 | #25 | |
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However the Disco would not be so good in going up the hill, where it's at risk of cross-axling (i.e. spinning a wheel on each axle) this is where traction control comes into its own. But yes I agree with you 100% it's all about how the tyres meet the surface and controlling that and driving the vehicle to the conditions.
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Feb 17th, 2018, 09:32 | #26 |
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Back to the OP...
I believe I am a good careful driver with a safe car but you can never predict what will happen next no matter how careful you are... such as: https://www.youtube.com/watch?v=SRlbMv0M65Y I have had slow punctures and tyres bubbling/de-laminating that have caused "interesting" moments over the years so it's not as simple as going too fast. I agree 110% with others comments that we have taken a huge backwards step in removing the hard shoulders from some of our motorways. I fear that it is only a matter of time before a whole family is horrifically and needlessly wiped out in an instant and this could easily happen without it being anyone's fault. It will be another tragic realisation, like with the fire in London last year, when we realise what we thought was a safe combination is in fact lethal. BTW I would stop and help too, as I hope others would if it was me or my wife dazed or unconscious in the stranded car.
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2011 XC90 D5 Executive 2003 C70 T5 GT 2012 Ford Ranger XL SC 1977 Triumph Spitfire 1500 1976 Massey Ferguson 135 |
Feb 17th, 2018, 10:41 | #27 | |
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2008 XC70 3.2 SE Lux with LPG conversion - current 2005 XC70 D5 SE Lux - sold 2004 XC70 D5 SE Lux - written off by another XC70 2001 V70 D5 - sold 2000 V70 Classic 2.4 - sold |
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Feb 17th, 2018, 10:54 | #28 |
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I think the debate is about where and how to stop and what form the help offered takes. It's a sad but notable fact that the only person killed on the M5 the other week in a multi-car pile up was a young lady who had left her vehicle.
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