At 7.4 seconds after the kink first appeared in the penthouse roof all the interior and exterior columns had failed on the lower floors and for a time the roof line after slowly beginning to fall apparently accelerated to approximately free fall speed for about 2 & 1/2 seconds. The collapse than passed the loads to the core columns which in turn also began failing. When this column failed it allowed all the floors and columns on the east side to collapse as indicated by the first visible indication of failure, - the penthouse roof kink. These failing floors eventually pulled a key column (#79) out of alignment. The collapse began when the floors on the east side began failing. To say that Building 7 collapsed at free fall speed is misleading. Their response is to hold to their model, deny that freefall occurred, and put up a smokescreen of irrelevant measurements that obscure the reality. ![]() Thus, he acknowledges that their model is at variance with the observable fact that freefall actually occurred. He acknowledges that there was a sequence of failures that had to take place and that this process was not instantaneous. He acknowledges that there was structural resistance in this particular case. He acknowledges that their structural modeling predicts a fall slower than freefall. He acknowledges that freefall can only occur if there is no structure under the falling section of the building. And you had.you had a sequence of structural failures that had to take place and everything was not instantaneous." And that is not at all unusual because there was structural resistance that was provided in this particular case. It's.uh., about one point.uh.five seconds or roughly 40% more time for that free fall to happen. What the analysis .the structural analysis shows, the collapse analysis shows that same time that it took for the structural model to come down from the roof line all the way for those 17 floors to disappear is.um. ![]() And if you look at the analysis of the video it shows that the time it takes for the.17.uh.for the roof line of the video to collapse down the 17 floors that you can actually see in the video below which you can't see anything in the video is about.uh. this particular.on this planet not just.um.uh.in ground zero.um.the.uh.the analysis shows a difference in time between a free fall time, a free fall time would be an object that has no.uh. "Well.um.the.first of all gravity.um.gravity is the loading function that applies to the structure.um.at.um.applies.to every .on.all bodies on.ah.on.um. How can such a public, visible, easily measurable quantity be set aside?" Yet your report contradicts this, claiming 40% slower than freefall based on a single data point. "Any number of competent measurements using a variety of methods indicate the northwest corner of WTC 7 fell with an acceleration within a few percent of the acceleration of gravity. Their report did not, however, face the consequences of this acknowledgment: that ALL RESISTANCE was instantaneously removed across the width of the building, supporting pre-planted explosives as the cause of the collapse.Ĭontrary to the August 2008 NIST report on WTC7, the acceleration of Building 7 is measured and is found to be indistinguishable from the acceleration of gravity over a period of about 2.5 seconds of fall.ĭuring the first round of questions in the NIST Technical Briefing (at 1:01:45 into the presentation) the following question was asked by David Chandler: They did their own measurement with a point near the center of the roof line and came up with an acceleration of 9.81 for approximately 2.25 sec. NIST has reversed its earlier denial of freefall and acknowledged a period of freefall comparable to this analysis in their final report on WTC7 released in November 2008. WTC7 in Freefall-No Longer ControversialīREAKING NEWS-NEW NIST ANALYSIS ACKNOWLEDGES FREEFALL FOR WTC7 In its final report, released in November 2008, NIST finally acknowledged freefall, but couched it in a bizarre framework that continues to deny its clear significance. ![]() In its draft report, released in August 2008, NIST attempted to cover up evidence that WTC7 fell at freefall, but the coverup was transparent. WTC7: NIST Finally Admits Freefall (Part I)
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