To start with, just a general point.
I thought this 'documentary' was very well put together, but people need to learn to stop treating things like this as fact. Use it as a springboard to increase your own understanding of things. Asking questions is never a bad thing, but treating a single source of input such as this video as factual is.
"riVeRraT" writes:
1. I totally can understand how the buildings fell, they were designed to fall straight down. Probably the force of the falling tower snapped all the welds, between floors.
note: I am not sure if they were welded or not. It is possible that they were put together with shear bolts, which would have snapped easily.
I watched documentary on the construction of the building a couple of years ago, but my recollection could be a little foggy.
My understanding is that there were only two 'rigid' parts of the towers - the central core and the exterior walls. The actual floors of each story were suspended from these two structures using massive L brackets that were bolted in place.
The argument went that the heat of the fire caused two things to occur. Firstly, it caused the actual floors to expand due to the heat. This caused them to bow as the were sandwiched between to the two rigid structures.
Secondly, the heat although not hot enough to melt the steel was sufficient enough to slightly soften the L brackets. This softening combined with the bowing caused the entire floor to drop pretty close to instantly once the failure point was reached.
As soon as the falling floor hit the floor beneath it the impact stress caused the immediate failure of the L brackets of that floor. This process continuted at near to freefall speed until they completely fell.
"riVeRraT" writes:
2. The fire in the towers was more than just jet fuel, so the 1488F temp is wrong. I spent 11 years fire proofing hospitals in NYC and I have a good education on what it takes to bring a building down in a fire. As I watched the buildings burn, I was telling my wife on the phone that they would be down in less than 2 hours, and that I did not understand why the NYFD (the ones who teach us this stuff) were sending people into the buildings.
This is an area that I have very little knowledge of. I would love to hear from you how the temperature could have exceeded the temperature of burning jet fuel. I've read other accounts that go into how there was actually very little fuel that made it into the buildings and how the black smoke is indicative of an oxygen starved fire which implies a lower burning temperature. Could you please provide some expertise on this point?
"riVeRraT" writes:
4. Any cameras that would have caught the plane flying into the pentagon, would not show a clear picture, if they could catch the plane at all. Traveling 530mph, and 1 or 2 frames per second from a security cam, do not make for clear video. As a matter of fact a plane traveling at 530mph is doing 777feet per second(7 times the length of the plane), and could easily be missed completely by the camera.
I have a really hard time believing this. I don't understand how with all of the security cameras, highway cameras, gas station cameras, etc, etc, that are in the DC area that SOMETHING wouldn't have picked up a very large plane inbound. The two clips they have released are really quite pathetic and don't show anything. I know I'm arguing from indredulity which is NOT a good thing but I just can't fathom how something wouldn't have caught the plane in flight.
To sum up, I think the biggest failing of the US goverment on this tragedy is their lack of up front communication with the populous. There were so many mis-cues and faulty reports issued that it is very easy for someone to assume they are trying to hide something where in all likelyhood it was probably their own incompetance caused by the stress and bedlam of the day.
I hope that someday the 'truth' of the matter can be determined and the full suite of information that was gathered by the authorities is released to the public so we can truly decide for ourselves what happened.
Edited by Codegate, : No reason given.