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The friction that causes heating isn't the friction of the tire against the road. It's the friction of the internal belts and materials flexing. Take a piece of thin metal and bend it back and forth until it breaks. Feel the ends - they'll be hot. Thats the friction of the internal bits of the metal rubbing against each other.
In a tire, it transmits the weight of the load to the ground. In the process, it flexes. The tire deforms as it rolls. That creates heat. So the more weight, the more deformation.
That's why tire pressure is so important. Too little pressure, and the tire flexes a lot, and rips itself apart. That's why the appropriate tire pressure increases with load.
posted by 192.249....
Posts in this Thread:
- Update to my trailer question, Rod , Tue, 30 Sep 2008 17:57:33
- Couple of solutions, EricG, Fri, 3 Oct 2008 18:10:45
- Tire warnings, Ari , Tue, 30 Sep 2008 18:19:11
- On the mini-spares..., Craig, Wed, 1 Oct 2008 07:31:57
- Re: Tire warnings--tend to agree, Noel, Wed, 1 Oct 2008 05:42:34
- Does weight have a large influence?, Rod , Wed, 1 Oct 2008 06:26:59
- Yes!, Ari , Wed, 1 Oct 2008 09:23:41 <-- Viewing This Message
- I'm not an engineer, so can't say for sure., Noel, Wed, 1 Oct 2008 07:51:44
- Re: Does weight have a large influence?, turbocon86, Wed, 1 Oct 2008 07:18:21
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