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If anyone watched tonights BBC1 'Trauma' TV programme it showed the effects of speed humps on a poor lady in the back of an Ambulance as she was on the brink of giving birth as the Ambulance driver tried to get to the Liverpool Hospital asap, whilst negotiating a series of severe speed humps... needless to say it did not improve her day and caused much discomfort, and also less importantly did not inprove the life of the Ambulance suspension...
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i get the hump with humps but traffic behind permiting if i know they are bad i always dip the clutch and let the momentum of the vehicle take me over and then clutch out till the back axle is ready to traverse them and do the same again ,takes a bit of practise but can be done.
I read probably in a sat telegraph letter in the hj section about speed bumps ruining the inside wall of tyres if you try to straddle the non full ones well i know this is fact as i ruined a pair of tyres a few months ago taking a corsa over these like that as i checked it before and after the event
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Yes, it does ruin your tyres, my insides used to go despite always having the alignment checked.
Then suddenly the wear on the next tyres became even.
It was not till I read it on here, that I realised it coincided with me changing from straddling to going over with one side or the other.
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I read probably in a sat telegraph letter in the hj section about speed bumps ruining the inside wall of tyres if you try to straddle the non full ones well i know this is fact as i ruined a pair of tyres a few months ago taking a corsa over these like that as i checked it before and after the event
You mean you actually did a test specifically to see whether it would damage the tyres?
--
L\'escargot.
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nooooo
i had done the front discs/pads but after a 120 mile journey and going over some known speed bumps at a tiny village off the m62 northwards at south cave i got back to work and wanted to set the tracking up as the car felt to not self centre properly on removing the wheels again to undo the locknuts i looked at the tyres again as you do and they had distinctive markings on the inner sidewalls,those speed bumps were the only place those markings could have come from (trust me).
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Don't know whether it's an old wive's tale, but someone told me once to travel over a speed hump with some acceleration and braking at the same time i.e gentle throttle and braking to compensate. I appreciate the left foot braking comes more naturally in an auto.
I'm convinced it stops the car from yawing so much. Don't know whether i'm imaging it or not, but it seems to work, but i have no understanding why.
Doesn't of course prevent the damage being caused ( two balljoints and the arms attached 'cos i would traverse the things at 30mph on a main road A road, which is what you are allowed to do).
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Didn't see the problem, but as my children were born at Liverpool womens hospital I think I know which bumps they are. And they are a nightmare, especially if you have to travel by taxi, as we did when my OH was expecting our two girls, on several occasions I had to tell taxi drivers to slow down more for the bumps along there going to and from anti natal appointments.
Fortunatly by the time she was expectiong our son we had a car. Built up quite big tailbacks getting over those smoothly.
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Of course those humps are even worse for people with injuries such as spinal injuries
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Apply gentle acceleration just before impact, it helps smooth the bump. I no longer slow for speed bumps (apart from the vertical sided Himalayan variety) though I suspect I will pay the price in terms of wear and tear. I see no point to the speed cushions, as they do not slow traffic, they force you to pay attention to the speed cushion, rather than safety, and they cause undue wear on tyres. Oh and they tend to force cars too close to cyclists.
My late mother was parapelegic, and had severe back pain. She was reluctant to go to the hospital for the pain clinic sessions because the journey in the ambulance was so painful, due in part to speed humps.
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