I am from a country that has little to no snow, so no need for snow tyres. The putting on of chains doesn’t really make sense to me. Also, are there such things as actual snow tyres or does the term snow tyres just refer to putting the chains on?
In: Physics
The chains literally scrape away the snow beneath to get to dense enough snow to gain traction or to the pavement and get traction. I live in CO and we have mandatory chain laws, when you drive up to the mountains there are massive shoulders with streetlights where truckers can chain up. Some trucks even have automatic deploying chains which is really cool. It is like turning your rubber tire into a tracked vehicle. Driving on chains isn’t comfortable, destroys tires and the pavement, and are noisy. They do, however, regularly save lives from preventing tractor trailers from going out of control on 7,000 foot descents.
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