Indeed we did used to be allowed 1mm across the entire width
but...
Cars corner at much greater speeds these days. Go watch the girlies cornering their Ka's at any roundabout if you don't believe me.
If I'd tried that in my Hillman Hunter I'd have rolled it and they are totally oblivious (as are most males) to just how close to the edge of adhesion their tyres actually are at.
"I don't know why it span out officer, I went round at my normal speed " !!
but...
Cars corner at much greater speeds these days. Go watch the girlies cornering their Ka's at any roundabout if you don't believe me.
If I'd tried that in my Hillman Hunter I'd have rolled it and they are totally oblivious (as are most males) to just how close to the edge of adhesion their tyres actually are at.
"I don't know why it span out officer, I went round at my normal speed " !!