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Old 12-10-2010, 05:43 PM   #11 (permalink)
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Quote:
Originally Posted by A.J. View Post
So, you're all confirming what I thought: winter mileage is actually worse than what it is because the true distance is actually shorter than the one displayed by the odometer?
My 23.5 mpg winter driving in a compact car suddenly looks even worse!
Most days, it's not an issue. I would say unless you're up to your ground clearance in snow, your odometer is probably pretty accurate. Even in the worst conditions we'll probably see this winter, mine was off by only 4%.

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Old 12-12-2010, 11:03 PM   #12 (permalink)
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Think about it for a minute.... how much spinning of the wheels are you doing? Imagine how much wheelspin it would take to cover 100 meters...
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Old 12-13-2010, 09:18 AM   #13 (permalink)
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If my truck tires tires go around once they cover about 8 feet. If they spin 10 times, that's 80 feet. 100 times is 800 feet.

I don't know what the distance is on the tractor tires, but I have been plowing the driveway for two days now and if I had an odometer on the tractor, it would say well over 150 miles! I spin about three times to move forward 1 turn, sometimes more. I can't just plow down the length of the driveway because the snow is so deep. I have to take chunks out and put it where there is room. I can't even make it to work today because I can barely make it to the end of the driveway with chains on the tractor!!!!

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mpg, odometer, precision, snow, winter

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