Quote:
On 2002-04-25 01:59, JayUtah wrote:
Was there something wrong with the runway? Was it new and therefore not fully cured? Runways are very thick, and are exposed to close proximity jet wash every time an airplane takes off or lands. It seems very odd that they would prohibit a Harrier landing on the basis of thermal stress.
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I don't have all of the details. That is just the explanation we were given by the announcer for verticle manuvers being done over grass. I would think thermal stress would be a possibility however, as the regular jet wash you mention is tangental to the concrete and the Harrier perpendicular. You get more heat soak from a vertical jet wash hovering to land/takeoff. Who knows? I have not studied it at all so all of this could be urban folk lore. [img]/phpBB/images/smiles/icon_smile.gif[/img]