---- John Rodgers <inua@CHARTER.NET> wrote:
> Hi Melissa,
>
>  Imagine my
> reaction when on the first day I ever experience a -40F temp and I tried
> to drive to town on my cold tires. The flat side next to the ground
> stays flat for quite a way down the road. It's
> whumpity-whumpity-whumpity-whumpity- whumpity as you bounce along until
> enough internal heat energy from friction within the tire itself begins
> to loose up the rubber. Yup - interesting what cold weather does.

Back in the day, we all had that whumpity-whumpity experience in winter.  Tires had nylon cords, and always had a flat spot that had to be worked out in winter, even when it was not brutally cold.