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It's obvious from jthomas' erroenous 'burden of proof' claim and his lack of underpinning knowledge about basic physics (speed vs acceleration) that he's excused himself from taking part in an intellectual discussion. No doubt, we still welcome his contributions, for at the very least, they do bump the thread and keep it prominent at the top of the forum.
The Sept. 11 Records
A rich vein of city records from Sept. 11, including more than 12,000 pages of oral histories rendered in the voices of 503 firefighters, paramedics, and emergency medical technicians, were made public on Aug. 12. The New York Times has published all of them.
The oral histories of dispatch transmissions are transcribed verbatim. They have have not been edited to omit coarse language.
With all due respect, Mr. Gage was probably just listening to too many internet trolls when he said there were no eyewitness accounts of explosions in or around WTC7.
Originally posted by rush969
But an eyewitness, Linda Shepley, said she had an unobstructed view of Flight 93's final two minutes and has reached the opposite conclusion. She recalls seeing the plane wobbling right and left, at a low altitude of roughly 2,500 feet, when suddenly the right wing abruptly dipped straight down, and the Boeing 757 plunged into the earth.
"It's not true," said Shepley of the persistent rumors. "If it had been shot down, there would have been pieces flying, but it was intact -- there was nothing wrong with it."
WHY DID YOU OMIT THIS?
Why give more credit to people who "heard" things than to people who actually saw it!!!
Originally posted by Nutter
So, I'm sorry bsbray.....it is down to 19 questions now. Just for the fact that this question can be written off so easily.
But press the mayor for details, and he will add something surprising. "I know of two people -- I will not mention names -- that heard a missile," Stuhl said. "They both live very close, within a couple of hundred yards. . .This one fellow's served in Vietnam and he says he's heard them, and he heard one that day." The mayor adds that based on what he knows about that morning, military F-16 fighter jets were "very, very close." 3
Laura Temyer, who lives several miles north of the crash site in Hooversville, was hanging some clothes outside that morning when she heard an airplane pass overhead. That struck her as unusual since she'd just heard on TV that all flights were grounded.
"I heard like a boom and the engine sounded funny," she told the Daily News. "I heard two more booms -- and then I did not hear anything."
What does Temyer think she heard? "I think the plane was shot down," insists Temyer, who said she has twice told her story to the FBI. What's more, she insists that people she knows in state law enforcement have told her the same thing, that the plane was shot down and that decompression sucked objects from the aircraft, explaining why there was a wide debris field. 4
Also, according to sources, the last seconds of the cockpit voice recorder are the loud sounds of wind, hinting at a possible hole somewhere in the fuselage. What caused the smoke and explosion? Why the wind sounds? 9
UA93 was identified as a hijack at 9.16am. At 9.35am three F-16s were ordered to "protect the White House at all costs" when it turned towards the capital. At 10.06am it crashed at Shanksville, less than 10mins flying time from Washington
Originally posted by bsbray11
What still isn't understood is the totality of the testimony that goes along with the same people who heard these jets. They also heard missiles and explosions in their backyards that morning.
Originally posted by tezzajw
You have not explained it to me.
Originally posted by Joey Canoli
Tough.
As I said, the info is in there. Competent individuals accept the free fall period as not unusual.
Deal with it.
Originally posted by tezzajw
I don't expect you to be able to explain it, Joey.
Originally posted by bsbray11
Originally posted by jthomas
Read the NIST report. And it didn't fall through a "vacuum." You already admitted there was air inside and claimed it should have provided air resistance thereby invalidating your "explosive demolition" claim right off the bat.
The acceleration of gravity is 9.8m/s^2 or 32.2ft./s^2. Drag has not been factored into either of those numbers.
And here is NIST showing the free-fall (accelerating at the rate of gravity) according to their own measurements:
[ats]http://upload.wikimedia.org/wikipedia/commons/0/09/Wtc7-nist1a-fig3-15.jpg[/ats
The burden of proof is, always has been, and remains on your shoulders.
No, this is a lie that you repeatedly post as if it's going to magically make it true. You can say something that is wrong 100000 times and it will still be wrong every single time.
The "burden of proof" was on those who carried out the investigations. I never got so much as a letter in the mail about anything even remotely similar to such a responsibility.
I am still waiting for you to show me where NIST explains what allowed an entire building to fall as if nothing was under it, when there should have been a foundation under it, and columns ascending all up throughout it.
Originally posted by tezzajw
Originally posted by jthomas
The explanation of the internal collapse is there for you to refute. Get busy.
jthomas hits back in a big way with more of his false logic. Obviously, he must have consulted some physics text books over night, as he has corrected his misunderstanding between free fall speed and free fall acceleration.
The approach taken by NIST is summarized in Section 3.6 of the final summary report, NCSTAR 1A (released Nov. 20, 2008; available at wtc.nist.gov...) and detailed in Section 12.5.3 of NIST NCSTAR 1-9 (available at wtc.nist.gov...).
The analyses of the video (both the estimation of the instant the roofline began to descend and the calculated velocity and acceleration of a point on the roofline) revealed three distinct stages characterizing the 5.4 seconds of collapse:
* Stage 1 (0 to 1.75 seconds): acceleration less than that of gravity (i.e., slower than free fall).
* Stage 2 (1.75 to 4.0 seconds): gravitational acceleration (free fall)
* Stage 3 (4.0 to 5.4 seconds): decreased acceleration, again less than that of gravity
This analysis showed that the 40 percent longer descent time—compared to the 3.9 second free fall time—was due primarily to Stage 1, which corresponded to the buckling of the exterior columns in the lower stories of the north face. During Stage 2, the north face descended essentially in free fall, indicating negligible support from the structure below. This is consistent with the structural analysis model which showed the exterior columns buckling and losing their capacity to support the loads from the structure above. In Stage 3, the acceleration decreased as the upper portion of the north face encountered increased resistance from the collapsed structure and the debris pile below.
www.nist.gov...