crr003 wrote:What would be different? Tyres less flexible/grippy? Tarmac/concrete capabilities different?
Mr Cholmondeley-Warner wrote:Perhaps they're scared by the sight of your van
Mr Cholmondeley-Warner wrote:Have you two been out for a drive together yet?
ScoobyChris wrote:I recall reading somewhere recently (although I forget where!) that grit is only effective down to -5 degrees C.
crr003 wrote:OK - 10
Water freezes at 0C (something about atmospheric pressure and supercooling on google though.....)
So, at -2 or -12, wetness is solid? So would you change your driving because the temperature was lower?
What would be different? Tyres less flexible/grippy? Tarmac/concrete capabilities different?
I ask as I've seen people driving down perfectly clean/dry (looking) motorways doing 45/50 in the last couple of days when the temperature has been probably the lowest the majority of Brits have seen. Other days at around freezing- minus 2 and they quite happily drive quicker.
crr003 wrote: So would you change your driving because the temperature was lower?
I ask as I've seen people driving down perfectly clean/dry (looking) motorways doing 45/50 in the last couple of days when the temperature has been probably the lowest the majority of Brits have seen. Other days at around freezing- minus 2 and they quite happily drive quicker.
mitchr wrote: I've been changing my speed to take into consideration that the road is likely to be iced over but it seems that others haven't. I had two vans overtake me yesterday on a NSL road one of whom tooted at me as he passed. I was going at 30 as there were still patches of slush on the road. Maybe I'm being overcautious but due to my lack of driving experience I felt that 30 was adequate.
Big Err wrote:
Between -5 and -7 before the salt freezes is the word on the streets here (no pun intended ) and that's if you're roads authority has any salt left.
MGF wrote:Tonight my screenwash froze on my windscreen while I was driving. It was undiluted as well.
michael769 wrote:According to Transport Scotland salt starts to become less efficient below -6 (presumably it takes longer to melt snow and ice), at -9 and below it will not melt ice or snow but will still stop frost forming, and at somewhere between -12 and -15 depending on the concentration it stops working altogether.
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