Mike Hartley wrote:
>
> I was trying my best to keep away from this conversation for fear of
> putting my foot in my mouth. If my memory of my materials and
> thermodynamics classes has not failed me, this explanation is why cold
> holes are small holes.
Why be afraid of putting your foot in your mouth? I do it regularly!
:)
>
> Think of this experiment from your college physics lab on heat transfer
> and thermodynamics. Consider a straight length of copper tubing that
> cold water has flown through for several hours. Measure the length and
> diameter of the copper tubing. Now replace the cold running water with
> hot running water. Measure the length and diameter of the tubing. As
> expected, the copper tubing will be considerably longer after the hot
> water has run through it. You will also notice that the diameter is
> larger, also as expected. The metal has expanded both linearly and
> radially. Hence, the copper tubing had a smaller radius when it was
> cold.
Zheesh! Think back to college??? That's waaaay too long ago! But, now
that you mention it, I think I recall something similar to that...
> Happy motoring to those of you that have managed to keep the toys out of
> the garage. To those of you in slightly cooler climates, spring is only
> a mere 5 months away!!!
In my case (Michigan) I would guess it'll actually be about 7 months.
Happy Motoring!
Chris
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