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I mean the explanation of ground effect at the pentagon in bunk. Saw your picture, you look like a decent respectable fellow. If I may, I believe you have been fooled into the OS. As I stated, the plane is 44 feet in height. Add ground effect to that, how high would the plane be? What is the height of the outer wall breach?
Judging from the damaged generator, which was struck by the right engine nacelle and the fact that American 77 was in a slight left bank, I am estimating between 46 to 47 feet at the top of the vertical stabilizer from ground level with the left nacelle just above the ground.
As you may notice, all the video of demolitions in your post are filmed relatively close-up, with nothing standing in the way of the buildings. Show me a shot of wtc7 that close and with audio.
It was not possible for the top of the WTC Tower to topple over because with all of that weight concentrated on a small area, there was no way the hinge point could continue to support the weight of the upper block and the only way to go was straight down from that point on.
What you must understand is the Law's of Physics were suspended that day, it's the only answer that fits...
Kader Toy Factory Fire
At about 4pm on May 10th, 1993, a small fire was discovered on the first floor of part of the E-shaped building. Workers were instructed to keep working as the fire was thought to be minor. The fire alarm in this building did not sound.
The building was reinforced with un-insulated steel girders which quickly weakened and collapsed...Fire-fighters arrived at the factory at about 4:40pm, to find Building One about to collapse.
The Kader buildings,...collapsed relatively early in the fire because their structural steel supports lacked the fireproofing that would have allowed them to maintain their strength when exposed to high temperatures. A post-fire review of the debris at the Kader site showed no indication that any of the steel members had been fireproofed.
Photo: 21-story steel frame building collapse due to an earthquake
Totally Collapsed 21-Story Steel Frame Office Building
That is the calamity of the OS from inside the nutshell.
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Civil & Structural Engineers on WTC Collapse
The heat from an ordinary office fire would suffice to soften and weaken the unprotected steel. Evaluation of the effects of the fire on the core column structure, with the insulation removed by the impact, showed that collapse would follow whatever the number of columns cut at the time of the impact."
No Explosives Used in WTC Collapse, Says Demolition Industry Leader
Brent Blanchard, a leading professional and writer in the controlled demolition industry, publishes a 12-page report that says it refutes claims that the World Trade Center was destroyed with explosives. The report is published on ImplosionWorld.com, a demolition industry website edited by Blanchard.
Blanchard is also director of field operations for Protec Documentation Services, Inc., a company specializing in monitoring construction-related demolitions. In his report, Blanchard says that Protec had portable field seismographs in “several sites in Manhattan and Brooklyn” on 9/11.
Did experts on the scene think WTC 7 was a controlled demolition?
"Several demolition teams had reached Ground Zero by 3:00 pm on 9/11, and these individuals witnessed the collapse of WTC 7 from within a few hundred feet of the event. We have spoken with several who possess extensive experience in explosive demolition, and all reported seeing or hearing nothing to indicate an explosive detonation precipitating the collapse.
Why the World Trade Center Buildings Collapsed: A Fire Chief’s Assessment
The steel truss floor supports probably started to fail quickly from the flames and the center steel supporting columns severed by plane parts heated by the flames began to buckle, sag, warp and fail. Then the top part of the tower crashed down on the lower portion of the structure. This pancake collapse triggered the entire cascading collapse of the 110-story structure.
American Society of Civil Engineers
Towers Weakened by Planes; Brought Down by Fire
There are 120,000 members of ASME(American Society of Mechanical Engineers) who do not question the NIST report. There are also 370,000 members of IEEE(Institute of Electrical and Electronics Engineers) who do not question the NIST report. There are also 40,000 members of AIChE(American Institute of Chemical Engineers) who do not question the NIST Report. There are also 35,000 members of AIAA (American Institute of Aeronautics and Astronautics) who do not question the NIST report.
Architects Shy From Truther 9/11 Conspiracy Theory
Architects didn't show up for a 9/11-architecture-conspiracy documentary screening—and the AIA doesn't want its name associated with Trutherism.
“It is somewhat troubling that he (Richard Gage) sort of portrays the notion that we have a relations.
AIA Scott Frank said: “We don’t have any relationship with his organization whatsoever” “It is somewhat troubling that he sort of portrays the notion that we have a relationship when we certainly do not,” “There is absolutely zero relationship … [between our groups], nor will there ever be in the future.”
Fire, Not Extra Explosives, Doomed Buildings, Expert Says
A New Mexico explosives expert says he now believes there were no explosives in the World Trade Center towers, contrary to comments he made the day of the Sept. 11 terrorist attack.
"Certainly the fire is what caused the building to fail," said Van Romero, a vice president at the New Mexico Institute of Mining and Technology.
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