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December 01 2011
Nokian Tyres has unique facilities for carrying out slush planing tests
"Nokian Tyres’ Matti Morri Technical Customer Service Manager on questions regarding hydroplaning and slush planing"
What benefits does this bring?
"As far as I know, no other tyre (in Swedish: däck) manufacturer has a place for testing slush planing in a controlled testing environment in the way Nokian has. Every winter, we pile a lot of snow on our test track, and when the spring sunshine starts to melt the snow into slush, we carry out extensive testing. Although hydroplaning is dangerous, slush planing is even more dangerous. The combination of melting snow, a layer of water on the road surface, and possibly ice can make the situation difficult, even for an experienced driver. Even though we are the pioneers of the industry, even we discover something new every spring."
Is the superior quality of new tyres accentuated in difficult conditions?
"Nokian customers who have driven on our test track have been amazed by the difference between tyres with a tread depth of 4 millimeter and brand new tyres. Unfortunately, few people have the opportunity to experience themselves under safe conditions how quickly water or slush on the road can turn a driver into a passenger."
What can you do if hydroplaning or slush planing occurs?
"Factors that affect the occurrence of hydroplaning that can be influenced by the driver are tyre tread depth, tyre pressure and speed. If, in spite of everything, planing occurs, the first thing to do is to reduce speed and try to re-establish a feel for the road. Only then will it be possible to steer. I cannot understand why people insist on driving in the ruts in the road even when it’s raining, as that is the first place where water will start to collect."
