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The Water Cooler
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911 was an inside job!
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<blockquote data-quote="mugsy" data-source="post: 2891976" data-attributes="member: 18914"><p>CHenry what I can research says that Jet-A actually burns at 800-1500 (nominally 1000) not 300 which, while insufficient to melt steel, is hot enough to weaken steel significantly. I think that is the the key issue - also the NIST report did say that there were pockets of combustion (presumably locally contained areas) reaching up to 1800 - again not enough to melt steel but enough to weaken it. I am not a material scientist but the reports I can find say that steel heated from 1000 to 1800 can lose 50-90 of its structural inegrity. If that is true then the collapse without placed charges does seem very reasonable.</p></blockquote><p></p>
[QUOTE="mugsy, post: 2891976, member: 18914"] CHenry what I can research says that Jet-A actually burns at 800-1500 (nominally 1000) not 300 which, while insufficient to melt steel, is hot enough to weaken steel significantly. I think that is the the key issue - also the NIST report did say that there were pockets of combustion (presumably locally contained areas) reaching up to 1800 - again not enough to melt steel but enough to weaken it. I am not a material scientist but the reports I can find say that steel heated from 1000 to 1800 can lose 50-90 of its structural inegrity. If that is true then the collapse without placed charges does seem very reasonable. [/QUOTE]
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