The buildings came down rather orderly
World trade centre collapse, 9/11 conspiracy
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The buildings came down rather orderly
Yes, gravity is an orderly force. Governments, on the other hand, tend to be disorderly. That's why conspiracies often don't work.
Yes, they all followed gravity. Although after seeing the debris field and where the various pieces hit, I wouldn't call the process "orderly."
What?!! What the hell is that supposed to mean?
This is what I said in the previous post:
That 324 is what Greening calls 'h' in his first picture. So the 121 is how far the top moves horizontally relative to the bottom. How much the center of gravity moved cannot be determined because we do not know where it is. The Mechanical floor and the hat truss should have moved it upwards relative to the geometrc center. But until we know the tons of steel and tons of concrete on every level it cannot be determined.
So 9/11 is scientific nonsense until the relevant data is supplied. So why do people BELIEVE anything without asking for information so obvious?
DaveC426913
Valued Senior Member
Not that I want to lend any credence to such a conspiracy theory but, are you talking about the horizontal location of the CoG?
I think we can assume that weight is horizontally distributed equally. You don't wanna be making a building where one side is significantly stronger, better braced, or more full of significantly heavier equipment than the other.
Unless you're talking about vertical location - in which case - carry on.
I actually had to reread this several times before your claim actually sunk in. This is a simple trigonometry problem. The drop for 22 degrees and 200 feet width is 81 feet. You don't put in the height to work out the drop!
From post #47, the COG moves roughly 60% from its central position.
"The hat truss provided additional connections among the core columns and between the core and perimeter columns, providing additional means for load redistribution."
You didn't even get a basic trigonometry problem right. Have you considered that the nonsense bit is your limited understanding? The relative weights of the mechanical floors and the small roof truss for the antenna would make hardly any difference to the COG.
The information may be obvious, but you didn't understand it.
I was not trying to compute the drop.
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How do you know that if you don't know the weight of steel and concrete on each level. I am admitting that I do not know where the center of gravity was and that the top of the tilted portion moved 121 ft horizontally relative to the bottom to the tilted portion and that the NIST admits that the core supported 53% of the weight.
Since the core was rectangular and narrower than the width of the building the CoG would not have to move very far to be beyond the core of the lower stationary portion.
I do not care about the drop distance. Greening's formula is the same as mine he is just computing a distance perpendicular to the one I am talking about.
All you can do is accuse me of being stupid and therefore accurate data is irrelevant because YOU say so.
I am thoroughly impressed!
The Hat Truss is "small" because YOU say it is.
http://911research.wtc7.net/wtc/arch/hattruss.html
Yeah Right!
The Hat Truss is "small" because YOU say it is.
http://911research.wtc7.net/wtc/arch/hattruss.html
Yeah Right!
Wow fella, you make it look soooooo big and heavy. In Context:
As I said, it makes almost no difference to the COG. It's central, not that high compared to normal floor and has no concrete reinforcement.
The core is smack bang through the centre. The truss sits on top of it, overall if you spread that weight out, it is less than one floor and has none of the concrete reinforcement, office equipment, furniture, fire cladding and all sorts of other weight extras.
But that is not even accurate speculation. You suggest that the support structure largely made of steel, represents the entire weight of each relative floor. You do realise it makes up what looks like 30% of the overall floor? The exterior walls alone amounted to 30% of the downward force of the building.
You aren't making any sense. You used the wrong formula for the redistribution of COG. The equation you made shows the drop, not where the new COG is. That cannot be computed from a single formula - it needs a purpose built one that takes in the shape, weight, distribution and sizes.
Well no. I don't accuse you of anything so terse. You are just mistaken, your equation simply shows the drop.
Stop waving your arms about. You aren't the font of all knowledge. I learn from other people, things I don't know and show other people things I do know.
The truss is not a significant weight, shape or size to alter the COG.
gamelord
Registered Senior Member
The conspiracy did not "work", since many are hip to it already.
Firefighters even claim they saw bombs there. Also curious, is that the same man owned all 3 buildings which collapsed. The insurance payment's he'd receive would more than cover the cost of any moral guilt he might face from the situation.
When I think of society, I think more in terms of "Gotham City", and less like "Anne of Green Gables".
When someone speaks to me on TV, my first instinct is, "What is this guy trying to dupe me with, and what is he trying to sell me. Is his product going to benefit me at all, or just his tribe." In which case, 9/11, is something they try to sell me, to give them an excuse to spy on me and restrict my rights. Once it becomes clear that it is something they are trying to sell me, the motives become obvious.
Do you have any evidence to back up that claim?
What about the 2000 consecutive life sentences?
Why don't you use that same instinct when some anonymous goober on the Internet tries to sell you a conspiracy theory?
No they didn't.
Not that curious. If my house burned down and took my shed with it, it would not be "curious" that I owned both. Since they are right next to each other.
If only you would apply that sort of critical thinking to the latest conspiracy theory you blindly follow.
Gawdzilla Sama
Valued Senior Member
The modular floors outside the core had concrete slabs of 600 tons. The steel pans and trusses that held slab totaled 125 tons.
About this trivial sine problem, if we had a 10 foot rod tilted 22 degrees from vertical, how would you compute how far horizontally the top was from the bottom?
exchemist
Valued Senior Member
10ft x Sin 22deg, obviously. Approx 3.74ft.
Exactly, so the top of the tilted portion of the South Tower had to move horizontally by the height of the tilted portion times Sin 22deg. So we need to know how far up the center of gravity was to determine how far it moved horizontally.
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