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Home > Off Topic > OH - Only 50 MPH Taffy |
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Yorky Bob Member Since: 28 Apr 2015 Location: Yorkshire Posts: 4561 |
Slow
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9th May 2018 11:35 am |
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Yorky Bob Member Since: 28 Apr 2015 Location: Yorkshire Posts: 4561 |
Mind you 2,000 deaths from bad air in Wales may just be this:
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9th May 2018 11:39 am |
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SkyeGuy Member Since: 23 Nov 2017 Location: Dunvegan, Isle of Skye Posts: 104 |
I'm sure someone with a scientific brain will come up with an answer to counter my thought... but if the same number of vehicles travel along a road, but at a lower speed, they will be spending more time on the section of road in question and therefore leave behind MORE pollution... won't they??
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9th May 2018 11:57 am |
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dennij Member Since: 17 Oct 2016 Location: Up North Posts: 261 |
From my very limited knowledge and I am happy to be enlightened, my understanding is that all vehicles have a sweet spot where they run at their most efficient, this used be around 56MPH (on a flat road too I would imagine). Vehicle development has moved on massively in recent years and engines have become more and more efficient, add to that DPF filters, catalytic converters etc then emissions should be better now than ever, even at 70MPH. I would also guess that air disturbance is greater at 70MPH than it is at 50MPH and therefore disperses pollutants better. But I am just a layman so could be talking cobblers |
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9th May 2018 12:07 pm |
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npinks Member Since: 28 Jun 2007 Location: Ls25 Posts: 20090 |
won't slowing that polluting vehicle down, taking it longer to get through Wales than one doing 70mph,
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9th May 2018 1:23 pm |
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JulesK Member Since: 07 Dec 2014 Location: Ceredigion. Posts: 1652 |
There already speed limits in place on some of those stretches, when was that written?
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9th May 2018 1:28 pm |
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Yorky Bob Member Since: 28 Apr 2015 Location: Yorkshire Posts: 4561 |
FL2 MY10 TD4 GS traded in at 2 years
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9th May 2018 3:25 pm |
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T4 Member Since: 05 Mar 2018 Location: Essex, Gower & anywhere inbetween Posts: 141 |
My thoughts entirely on both those points...assuming we actually have the pleasure of using the M4 at all and aren't diverted off to God knows where. Clearly the bloke putting in the diversion signs got lost himself and just gave up. And on a similar note how does sending you up the M4 only to turn you around and send you back down the other side after 10 miles to then join a diversion route help air quality? |
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9th May 2018 4:45 pm |
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IanMetro Member Since: 11 Sep 2017 Location: Somerset BS21 Posts: 2770 |
I am sure that the M4 is a managed motorway around Newport and the road is quite bendy. Most times I have used it there is normally a speed limit being applied via the sign/camera gantries.
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9th May 2018 6:01 pm |
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dorsetfreelander Member Since: 20 Jul 2013 Location: Dorset Posts: 4341 |
I used to know a guy called "Taffy" who ran a garage in North Devon, he originally came from south Wales and used to travel back at Xmas to see his parents. This was before the North Devon link road was opened so that it was a twisty windy trip through lots of villages to get to the M5. He always boasted that by travelling on Xmas morning there would be no police about and he could drive like a maniac. Then one year he got stopped by the police, the policeman said that he had spotted him a couple of years running on Xmas mornings speeding through his village and made a note in his diary to be in wait for him next time. It was an expensive Xmas that year! 3 x FL1 2 manual + 1 auto
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10th May 2018 9:21 am |
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Jimboland Member Since: 06 Dec 2015 Location: Northants Posts: 714 |
You get less MPG at higher speeds so theoretically there will be a lower volume of pollutants at the lower speed. However, given the thinking of some half witted politicians I'm sure we can convince them that by travelling in reverse vehicle will suck up all the pollution caused. J |
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10th May 2018 11:05 am |
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IanMetro Member Since: 11 Sep 2017 Location: Somerset BS21 Posts: 2770 |
If you carry on down this line of thought, you ought to include in your calculation the amount of dirty air / pollutants that your car ingests into the engine while travelling down that road. What happens to those pollutants are they added or subtracted from the total available for you to breath in?
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11th Jun 2018 10:51 pm |
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goo11y Member Since: 21 Feb 2017 Location: Sheffield/Cadiz Posts: 23 |
Do people want to live forever If you want to rob a bank buy a shotgun if you want to rob people buy a bank. |
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12th Jun 2018 1:47 pm |
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