Blast Waves

[JamesB]

I just noticed this, linked from the ae911truth site.

http://911research.wtc7.net/talks/wtc/expulsion.html

Blast waves broke hundreds of windows in buildings over 400 feet away.

Where the hell are they coming up with this one? I haven't heard this one yet.

[beachnut]

I just noticed this, linked from the ae911truth site.
http://911research.wtc7.net/talks/wtc/expulsion.html
Where the hell are they coming up with this one? I haven't heard this one yet.
That guy always makes up headlines and runs. Yellow journalist of the internet gone wild.

[DGM]

Blast waves? 400 feet away? Debris was falling further than that. Blast waves from explosives the "truthers" are referring to would be 1000+ feet. Than you need to account for the small particles (chunks) that would have been thrown for several thousand feet. Manhattan would have looked much worst.

[JamesB]

But this claim was on the Architects and Engineers for 9/11 Truth website, it must have some highly researched scientific basis.

[Lensman]

But this claim was on the Architects and Engineers for 9/11 Truth website, it must have some highly researched scientific basis.

Ya think? :rolleyes: ;)

[Gravy]

"Who's tripping down the streets of the city..."
:whistling

[BigAl]

I just noticed this, linked from the ae911truth site.

http://911research.wtc7.net/talks/wtc/expulsion.html



Where the hell are they coming up with this one? I haven't heard this one yet.

It appears to me that this applies and it appears that overpressure didn't break any windows.


Phase IIFor blast scenarios with overpressures that clearly
would not have broken windows, the worst case scenario(s) will
be analyzed using SHAMRC software to determine overpressures
at windows. (page 7)

http://wtc.nist.gov/media/WTC7_Approach_Summary12Dec06.pdf

[leftysergeant]

There's ignorant and there's stupid. This argument falls firmly under stupid, and one of the photos shows us what is so stupid. There is this one picture down in the lower corner of a big hunk of the north tower imbedded in a neighboring building.

The windows around that missile are still in tact.

Does it appear to the rest of you that the majority of broken windows are on the lower stories of buildings, and seem to be surrounded by a lot of residual dust?

We need to look at what happened to the windows ABOVE the the dust line. Not many of those broke, even in WTC 7.\, other than on the south face where solid debris was seen to strike it. A blast wave would have over-pressurized the interior of the building and would have blown out windows in line with the blast wave opposite its point of entry into the building.

Look at the footage of the fires. All the fire on the sides not obscured by smoke are contained behind glass until, during flash-over, the heat broke them out of the floors that were burning.

An engineeer has no excuse not to know how a blast wave acts, so this cannot be the product of ignorance.

Total stupidity.

[Gravy]

And this detonation happened when, exactly? I wonder if Hoffman knows better and is lying, or if he's just that stupid.

By the way, lefty, Hoffman is a software engineer.

[leftysergeant]

And this detonation happened when, exactly? I wonder if Hoffman knows better and is lying, or if he's just that stupid.

By the way, lefty, Hoffman is a software engineer.

I hope he has not had his fingers on any software that I am likely to buy and install on my PC. He doesn't seem very bright. No attention to detail. I'm surprised he can manage a simple loop, let alone a complete program.

In order to demolish a building from the top down, the explosives would have to be placed at the top. Blast waves would travel farther out from the top, breaking windows at higher altitudes more readily, because it would expand without significant impediment.

At ground level, structures would baffle the blast wave.

Hoffman is probably a liar who isn't bright enough to realize that we are mostly bright enough to see through his BS. He's a Nazi. That's what they do.

[Gravy]

I hope he has not had his fingers on any software that I am likely to buy and install on my PC. He doesn't seem very bright. No attention to detail. I'm surprised he can manage a simple loop, let alone a complete program.

In order to demolish a building from the top down, the explosives would have to be placed at the top. Blast waves would travel farther out from the top, breaking windows at higher altitudes more readily, because it would expand without significant impediment.

At ground level, structures would baffle the blast wave.

Hoffman is probably a liar who isn't bright enough to realize that we are mostly bright enough to see through his BS. He's a Nazi. That's what they do.I was with you until the last two sentences. What in Godwin's name is with the Nazi business?

[JamesB]

I was with you until the last two sentences. What in Godwin's name is with the Nazi business?

I am guessing he was thinking of Hufschmid, I have made that mistake before.

[leftysergeant]

Or it may be that I never heard of him in any context other than as one of the authorities that were cited on a bunch of white nationalist sites that I visited a lot back in 2001 prior to 9/11. Maybe should have registered on me that he was not there earlier.

Okay, maybe he is not the dimbulb I took him for, but if he defends the broken windows as evidence of an explosive shockwave, I still will not hold him in any greater esteem than i do engineers and physicists of whom I had heard earlier. I still do not see his credentials superceding mine in the area of arson investigations.