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Author rare footage (gif) of 9/11 2nd plane-2nd tower.
nathy_87
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Registered: 14th Aug 08
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5th Feb 16 at 15:09   View User's Profile U2U Member Reply With Quote

dont know what to say tbh. [Safe for Work]

http://i.imgur.com/kbuuxdv.webm

[Edited on 05-02-2016 by nathy_87]

[Edited on 05-02-2016 by nathy_87]
3CorsaMeal
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5th Feb 16 at 15:15   View User's Profile U2U Member Reply With Quote

I'm still in disbelief when i see it. Changed our world. Also strange to think there are 15yr olds alive who for them its just something that happened in history/past.

[Edited on 05-02-2016 by 3CorsaMeal]
Balling
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5th Feb 16 at 15:31   View Garage View User's Profile U2U Member Reply With Quote

Frame by frame: http://i.imgur.com/XWrg59x.gifv

Impressive how the plane leaves almost no debris on the outside of the building. It just goes clean in.
Given how soft an aluminium (I'm guessing?) plane is compared to a steel and concrete building, there are some serious forces on display here.


Generation
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5th Feb 16 at 15:33   View User's Profile U2U Member Reply With Quote

Here come the tin foil hats
MatthewR
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5th Feb 16 at 16:03   View User's Profile U2U Member Reply With Quote

So tragic

still looks like a movie rather than real life. So sad. Whatever the reason or whatever people choose to belieeve alot of innocent people died and are still dying today because of it.
Jambo
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5th Feb 16 at 17:33   View User's Profile U2U Member Reply With Quote

Horrific. At least if anything it would have been quick for those on board and the people in the offices
Marc
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5th Feb 16 at 17:53   View User's Profile U2U Member Reply With Quote

Guy hadn't even seen the first one.
Aaron
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5th Feb 16 at 17:59   View User's Profile U2U Member Reply With Quote

Wtf, when did this happen?
Nic Barnes
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5th Feb 16 at 18:06   View User's Profile U2U Member Reply With Quote

It didn't. They just want you to "think" it did.
Ronson
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5th Feb 16 at 19:22   View User's Profile U2U Member Reply With Quote

Jet fuel cant melt steel beams.
Steve
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5th Feb 16 at 20:25   View Garage View User's Profile U2U Member Reply With Quote

Do you think this is cgi ?
Jambo
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5th Feb 16 at 20:51   View User's Profile U2U Member Reply With Quote

quote:
Originally posted by Nic Barnes
It didn't. They just want you to "think" it did.


U2u eyeshut for more information
whitter45
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6th Feb 16 at 08:40   View User's Profile U2U Member Reply With Quote

Old footage that one but still amazes me everytime I see it

The 9/11 museum even more so
Ronson
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6th Feb 16 at 12:06   View User's Profile U2U Member Reply With Quote

quote:
Originally posted by whitter45The 9/11 museum even more so


How so?
whitter45
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6th Feb 16 at 12:20   View User's Profile U2U Member Reply With Quote

When you look at the steel gurders that literally folded you realise the forces involved

They recovered a lot of structural evidence and put it on displays and you realise how much force was involved in impact but also when they fell
Ellis
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6th Feb 16 at 14:06   View User's Profile U2U Member Reply With Quote

quote:
Originally posted by Ronson
Jet fuel cant melt steel beams.

Just a shame molten aluminium in the presence of water creates an explosive release. Feel sorry for the conspiracy theorists, fucking idiots. Why let science get in the way when you can make up nonsense stories.
whitter45
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8th Feb 16 at 11:34   View User's Profile U2U Member Reply With Quote

Gives you idea

DSC_1575 by Paul Whitt82, on Flickr

DSC_1564 by Paul Whitt82, on Flickr
Ellis
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8th Feb 16 at 12:25   View User's Profile U2U Member Reply With Quote

Your photographs are always great.
Ronson
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8th Feb 16 at 22:36   View User's Profile U2U Member Reply With Quote

quote:
Originally posted by Ellis
quote:
Originally posted by Ronson
Jet fuel cant melt steel beams.

Just a shame molten aluminium in the presence of water creates an explosive release. Feel sorry for the conspiracy theorists, fucking idiots. Why let science get in the way when you can make up nonsense stories.


Where does the molten aluminium come into it? Plane + crash I'm assuming? So you're saying the ally plane hitting the building caused massive explosion hot enough to melt steel?

I'm tired, I could be wrong.
Ronson
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8th Feb 16 at 22:37   View User's Profile U2U Member Reply With Quote

Oh and I was under the impression all the metal remains were quickly shipped off to china.
Ellis
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9th Feb 16 at 08:47   View User's Profile U2U Member Reply With Quote

The entire aircraft is manufactured from aluminium. Jet A-1 can burn at over 1000 degrees - enough to melt the airframe ~660 if my school education serves me correctly. Ample water supply from building services to interact with molten aluminium thus producing explosive release. Explosions heard and reported pre-collapse by many fireman attending the scene.

Have a trawl through Google images. There are several pictures showing what appears to be a stream of molten material flowing from the buildings.

They have studied structural failure at length and they could not simulate collapse with only the impact and subsequent damage.

Not sure what happened to the remains. Probably been melted down to be sold very cheaply on the UK market
willay
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9th Feb 16 at 09:45   View Garage View User's Profile U2U Member Reply With Quote

Dave
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9th Feb 16 at 09:48   View User's Profile U2U Member Reply With Quote

Add to that you don't need to melt steel, you only need to soften it for it lose its strength. Even in small buildings we have to protect steel in case there is ever a fire, pretty sure it still wouldn't stand up to having a plane crashed in to it though.
IvIarkgraham
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9th Feb 16 at 10:20   View Garage View User's Profile U2U Member Reply With Quote

I work with wing panels/parts. our process causes lots of alu dust which is highly explosive. Fires on our machines cannot be put out with water because it makes it worse.

the oxygen in the water just fuels it. (not sure of the science behind it)

Ellis
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9th Feb 16 at 13:55   View User's Profile U2U Member Reply With Quote

quote:
Originally posted by Dave
Add to that you don't need to melt steel, you only need to soften it for it lose its strength. Even in small buildings we have to protect steel in case there is ever a fire, pretty sure it still wouldn't stand up to having a plane crashed in to it though.

Spot on. S355 loses about half its yield strength at around 500 degrees IIRC. So if we're beyond melting Aluminium at 660 then it must be down near a 60% loss. I'm not convinced the design factor of safety would account for such extremes.

I'm guessing these fire protection sprays, coatings and the likes would crumble if for instance a plane happened to impact the building?

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