Re: OT: Nitrogen filled tires

Rich Grise wrote:

When I was in the USAF, at one point I worked on the SR-71 Blackbird
http://www.google.com/search?hl=en&q=%22sr-71+blackbird%22

and they used dry nitrogen in its tires. But the reason, they told me,
didn't have anything to do with gas mileage, it was so that when it
lands at about 300 MPH, the tires don't explode and burn. Hot rubber
and oxygen can get a little volatile. :-)

How do they cope with the oxygen on the outside of the tire? Do they land
the plane in a pure nitrogen atmosphere?

Your explanation makes no sense, especially considering that the tire will
get much hotter on the outside. Or is the tire more likely to burn from the
inside because of the rapid outside air flow's cooling effect?

robert
.

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