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Old February 12th 08, 02:35 AM posted to rec.aviation.piloting
Mxsmanic
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Posts: 9,169
Default Why airplanes taxi

writes:

My mistake. It was -20°C on the ground and +18°C at 3000' agl.
A 38° difference. A difference in the "wrong" direction.


So the pressure must have been much higher at 3000 feet, according to the
reasoning given in your previous post.