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NIST estimated the elapsed times for the first exterior panels to strike the ground after the collapse initiated in each of the towers to be approximately 11 seconds for WTC 1 and approximately 9 seconds for WTC 2. These elapsed times were based on: (1) precise timing of the initiation of collapse from video evidence, and (2) ground motion (seismic) signals recorded at Palisades, N.Y., that also were precisely time-calibrated for wave transmission times from lower Manhattan (see NCSTAR 1-5A).
wtc.nist.gov...
6. How could the WTC towers collapse in only 11 seconds (WTC 1) and 9 seconds (WTC 2)—speeds that approximate that of a ball dropped from similar height in a vacuum (with no air resistance)?
NIST estimated the elapsed times for the first exterior panels to strike the ground after the collapse initiated in each of the towers to be approximately 11 seconds for WTC 1 and approximately 9 seconds for WTC 2. These elapsed times were based on: (1) precise timing of the initiation of collapse from video evidence, and (2) ground motion (seismic) signals recorded at Palisades, N.Y., that also were precisely time-calibrated for wave transmission times from lower Manhattan (see NCSTAR 1-5A).
Originally posted by Six Sigma
Sorry, I just don't see or hear any explosions that are consistent with a controlled demolition. I believe the evidence we have seen and heard is quite telling in what happened.
Originally posted by CalibratedZeus
Look again....
The top of the tower and the antenna fall at the same rate as the floors that were hit by the initial impact collapse first.
Originally posted by jthomas
You can listen to ae911truth's recording in the OP. If you're confused what floors they were on in the specific recordings provided, let us know.
"...I sat down with this guy who became my "buddy." Tim's story was that he was on the 86th floor of the second tower, when the plane hit the first tower. They started to evacuate, but after going down a dozen flights they were instructed that it was only the first tower that had been hit and that they could go back. So he was opening the door on the 74th floor at the exact moment that the second plane crashed into the 74th floor. He actually saw the wing before the explosion. He was splashed with jet fuel, but the explosion blew him back into the stairwell, saving his life. With other people helping him, because he was blinded by the jet fuel, he ran down 74 flights of stairs. A medic was lavaging his eyes when the first building fell. www.episcopal-dso.org...
77th floor
Brian Clark: Somewhere around the 77th floor, the stairway walls were cracked, and you could look through the cracks and see flames. They were just quietly licking up, not a roaring inferno. And there was some smoke there, but again I think the stairs were pressurized, pushing the air out so we had less smoke in the stairway than you might imagine.
70th floor, Clyde Ebanks: "I think now, these popping sounds were coming out of the elevator shafts because of the fireball that was coming down. The popping sounds, I think, were the elevator doors opening up because of the fireball." (Richard Bernstein: Out of the Blue. New York: Times Books, 2002. p. 222)
Originally posted by thedman
Jet fuel and fires reported several floors below the impact zone
Originally posted by REMISNE
Originally posted by thedman
Jet fuel and fires reported several floors below the impact zone
But not by the firemen who made it to the 78th floor. Guess they must have burned out by then?
[edit on 18-3-2010 by REMISNE]
Originally posted by thedman
How long do you think it took them to reach the 78 th floor? Even with
help of freight elevator still had climb of nearly 40 floors . Were only just reaching impact area when building collapsed.....
Originally posted by jthomas
They reported what they, themselves, saw. No mystery there.
Originally posted by REMISNE
Originally posted by thedman
How long do you think it took them to reach the 78 th floor? Even with
help of freight elevator still had climb of nearly 40 floors . Were only just reaching impact area when building collapsed.....
Originally posted by jthomas
They reported what they, themselves, saw. No mystery there.
So your agreeing the official story is wrong then about all the jet fuel fires on the lower floors?
Originally posted by jthomas
Check out the video in the OP. They reported what they, themselves, saw. No mystery there.
Originally posted by REMISNE
Originally posted by jthomas
Check out the video in the OP. They reported what they, themselves, saw. No mystery there.
Just too bad the firemen making it to the 78th fllor reported no jet fuel fires on the lower floors as stated by the official story.
Originally posted by jthomas
It's too bad they died and ae911truth.org hasn't yet retracted its misrepresentation of those particular firemen the video, don't you agree?
Originally posted by REMISNE
Originally posted by jthomas
It's too bad they died and ae911truth.org hasn't yet retracted its misrepresentation of those particular firemen the video, don't you agree?
Whats really bad is all the facts leading up to the point that there was no big inferno of jet fule fires, and certianly not enough to burn long enough or get hot enough to casue the collapse.
According to transcripts from at least one firefighting unit, videos / photos, and fire experts.
Also you should do research and stop just quoting one site.
Nearly everyone's fate inside the two 110-story towers was sealed the moment the jets hit.
In the north tower, American Airlines Flight 11 struck the 93rd through 98th floors and wrecked the stairwells on the 92nd floor. At the crash and above, 1,360 people died; none survived. Below the crash line, 72 died and more than 4,000 survived. Floors could not be determined for two people who died in the north tower.
In the south tower, United Airlines Flight 175 struck the 78th through 84th floors. The higher wing cut into the offices of Euro Brokers, a financial trading firm. The fuselage tore into Fuji Bank offices on the 79th through 82nd floors.
Of 599 fatalities in the south tower, only four worked below the crash area. Nobody who worked on the 58th floor or lower is known to have died.
"For many on Sept. 11, survival was no accident"
www.usatoday.com...
Originally posted by jthomas
I am interested how Architects and Engineers intend to explain its discrepancy and whether they will correct it and when.