오늘 아침 아이들 스쿨버스 데려다 주러 가는데 차에 표시된 온도를 보니 12도...
곧 7도 미만으로 내려가겠네요...
윈터타이어의 권장 온도가 7도라고 하는데 그것에 대해 정보 적어볼게요.
이게 솔직히 Garage가 있어서 타이어 보관이 용이한게 아니면 어려운 부분이긴 한데,
자동차 딜러쉽 혹은 개인 정비소 같은데 보관서비스도 하는거 같아요. 그런것도 알아보시구요.
자동차 보험사에서 윈터타이어 있으면 조금 할인도 있으니 그것도 알아보세요~
https://www.toyota.ca/toyota/en/connect/4131/winter-tires
7 Reasons to Switch to Winter Tires at 7 Degrees
In terms of safe winter driving, changing to winter tires is perhaps the most important thing you can do.
www.toyota.ca
제목만 요약하면
1. 타이어 재질이 7도 이하일때 Work best이고,
2. 캐나다 겨울은 cold, dry 하니까 그 표면에 잘 grip하게 해 주고,
3. 윈터타이어 보시면 treads 가 넓고, 깊은데, 눈길에 more bite(이런 표현 재미있네요) 하고,
(실제로 앞차가 윈터타이어면, 눈이 타이어에서 튀어서 날라가고, 올시즌 타이어면, 타이어 전체가 눈으로 덮혀서 솜사탕처럼 다니는걸 보실 수 있을거에요)
4. sipes (찾아보니 타이어에 이런 부분의 명칭이네요.. 한국말은 뭘까요...) 이 작은 pocket처럼 물을 잡았다가, 뒤로 ~ 보낸다고 합니다.
5. 5번은 모든 타이어가 그런진 모르겠네요.. hydrophilic coating이 된 타이어가 있는데, ice/snow에 more traction을 줄수 있다고~
6. 당연히 정지할때 더 짧은 거리에 stop가능
7. 위에 4번과 이어지는데, 타이어가 닳으면서도 더 bigger versions of sipes 가 있어서, ice밑에 있는 water를 빨아들여서 뒤로 보내면서 미끄러지는게 줄어든다고 하네요.
1. THE RUBBER USED FOR WINTER TIRES WORK BEST AT 7 DEGREES OR BELOW
Winter tires are made from a softer rubber compound than summers or even all-seasons. Harder rubber compounds get even harder in cold temperatures, so they lose their traction and ability to ‘stick’ to the pavement (which also hardens considerably in the cold). The magic number where winter tires grip better than all-seasons is, you guessed it, 7 degrees Celsius. Below that temperature, summer tires are basically frozen pucks on the ice, while winter tires are cleats on boots.
2. COLD SURFACES PROVIDE LESS TRACTION
You know how asphalt gets a little sticky in extreme heat? Road surfaces are the opposite for tires in extreme cold. And Canadian winters aren’t exactly known for dry, easy-driving conditions. Winter tires are specifically made to grip on to cold and wet road surfaces.
3. DEEPER TREADS GIVES YOU MORE BITE IN THE SNOW
As a Canadian you know that snow doesn’t exactly wait for an invitation – it shows up one night, and now your morning commute just turned into an adventure. At 7 degrees Celsius we’re very close to that first surprise snow. And those deep treads on your winters are designed to bite through the snow to maximize the amount of rubber that touches the road surface, while simultaneously pushing the snow, slush, and rain away with every revolution.
4. SIPES AND WHY YOU LOVE THEM WITHOUT EVEN KNOWING WHAT THEY ARE
You know those squiggly little grooves in your tires? Those are sipes, and they’re actually a brilliant feat of engineering. When the sipes on your winter tire rotate down and come in contact with the pavement, they open up like little pockets, and pull water into them. As the tire rotates, the sipes close, basically spitting the water droplets out behind the tire.
5. HYDROPHILIC RUBBER: MORE ENGINEERING GENIUS
When it comes to contact with the road surface, moisture is essentially a lubricant – and moisture occurs even in the coldest conditions. On a microscopic level, the pressure of a tire on the road surface creates a small layer of water. Which is why Toyota-approved winter tires come with a hydrophilic coating, which essentially acts like a microscopic sponge, giving your winter tires more traction on ice and snow.
6. SHORTER STOPPING DISTANCE MEANS A MUCH, MUCH SAFER DRIVE
Britain’s Auto Express Magazine tested a set of winter tires stopping on wet pavement at 7 degrees Celsius against summer tires. Full emergency ABS braking from 80 km/h produced stops of 35.5 metres for the winter tire equipped car, and 42.5 metres for the summer tire equipped car. That’s a 7 metre difference. Think about what sliding 7 more metres could mean in a dangerous situation, and the safety advantage of winter tires becomes soberingly apparent.
7. MICRO BUBBLES ARE MEGA EFFECTIVE
All Toyota-recommended tires are effective. But the best of our tires boast yet another technology that gives you even better traction. Top winter tires are made with a special rubber formed from multi-cell compounds. Essentially, the tread rubber has tiny micro bubbles in them. As the tire wears, the little bubbles get exposed, which then act as bigger versions of sipes, taking water off the ice below the tire, and helping to reduce slippage.
BONUS REASON: SO YOU CAN GET OUT THERE AND ENJOY CANADA!
Tubing. Snowboarding. Walks through a snowy forest. We think the best way to enjoy winter in Canada is to, well, get out there and enjoy winter in Canada. Toyota-approved winter tires give you the confidence and peace of mind to go anywhere you want, anytime you can. Where are you looking to go this winter?
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