Jeffrey Orling
Senior Member
He's showing that NIST's model cannot describe what actually happened. NIST is the official study of course, so if they're shown to be wrong, it makes a case for fresh investigations. The second part of the study is manipulating a model of WTC 7 to see what would have had to happen to produce the collapse witnessed.
Why do you disbelieve the NIST model in any case?
The structure is the key to how and where is collapsed in my opinion. I believe the massive trusses were site built and bolted together. Those structures spanned the substation because the axial load path could not pass thru Con Ed. This is the more likely location of the failures which brought the building down. FEMA and the building's engineer Cantor thought this was the place to look. My hunch is that "politics" played a role in not scrutinizing the structure down there.
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