Joe98
Well-Known Member
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- #1
With bicycles, a road bike has a narrow tyre at a high pressure. A mountain bike will have a wide tyre with a much lower pressure. On the road, a mountain bike has a lot of rolling resistance and therefore it is slow v a road bike.
The tyres for the Australian Jeeps are as follows:
The Sport S: 245/75/17
The Willys: 255/75/17
The Rubicon: 285/70/17
All 3 tyres will fit on all 3 vehicles. Note the tyres get wider, namely 245mm, 255mm and 285mm
I presume that as the tyre gets wider there is more rolling resistance hence the fuel economy will decline.
Is there a formula to measure the change in fuel economy?
The tyres for the Australian Jeeps are as follows:
The Sport S: 245/75/17
The Willys: 255/75/17
The Rubicon: 285/70/17
All 3 tyres will fit on all 3 vehicles. Note the tyres get wider, namely 245mm, 255mm and 285mm
I presume that as the tyre gets wider there is more rolling resistance hence the fuel economy will decline.
Is there a formula to measure the change in fuel economy?
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