9/11 BOMB when 1st plane hit

Explosions reported as the plane hit the North Tower (WTC 1). A quick look at the elevator system makes the official story laughable.
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"There were 99 passenger elevators in each tower, arranged in three vertical zones to move occupants in stages to skylobbies on the 44th and 78th floors. These were arranged as express (generally larger cars that moved at higher speeds) and local elevators in an innovative system first introduced in WTC 1 and WTC 2. There were 8 express elevators from the concourse to the 44th floor and 10 express elevators from the concourse to the 78th floor as well as 24 local elevators per zone, which served groups of floors in those zones. There were seven freight elevators, only one of which served all floors.

All elevators had been upgraded to incorporate firefighter emergency operation per American Society of Mechanical Engineers (ASME) A17.1 and Local Law 5 (1973) - NIST NCSTAR 1-1, p.50 - PDF

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[djundadawg]

@lydia6teen As long as you know you don't have the truth, you are closer to the truth than those that accept the official story. It happened for this country to have free reign to enter ANY foreign land on the premise of terrorism. And while we are there we can pillage their resources also. It's about power, control, and money

[djundadawg]

@culturebully3 There was smoke in the subway, 100 stories below the plane crash and there is smoke and explosions in the subway?! Can you agree that somethings just don't add up?

[culturebully3]

@pdderek it wasn't, dumb shit. al qaeda fucked you guys up on 9/11 and that's all there is to it. accept it and move on instead of enchanting yourself with deluded BS

[jainnirav5]

what is this ??

[lydia6teen]

I really wish we knew the complete truth.

[beachcomber2008]

@mustanglead "Mach 0.94, or 715 mph" is not at sea level"

Mach numbers are constant at all levels, 715 mph IS Mach 0,94 at sea level

"more on when the speed of the fluttering is close to a harmonic"

This occurs BECAUSE of trans-sonic compressibility. It's a resonance EXTERNAL to the plane which begins to interact with the elasticity of the airframe, causing flutter

[mustanglead]

@beachcomber2008 Come on beach I understand that the aeroplane doesn't fail at the red line. And those speeds you quoted "Mach 0.94, or 715 mph" is not at sea level where you know the air is denser and in any case I really wasn't talking about compressibility more on when the speed of the fluttering is close to a harmonic of the control's movement. And these specs are not available to you or I so all we could ever do is speculate.

[beachcomber2008]

@mustanglead Both planes dived quite steeply. The second was shot from head on and you can see that

560 mph was well within the onset of compressibility flutter which happens around Mach 0.94, or 715 mph. That would have wrecked them in the air...

The "barber pole" is where the manufacturer sheds his liability - not where the plane fails

[mustanglead]

@beachcomber2008 Hi Beach how you doing mate? You do realise that 560mph is a full 126kts beyond the barber pole or red line on one of those birds of course. I saw no flutter effect or even a real steep dive to get to that kind of speed. You can only imagine the kind of inertia a bird that size would generate at that particular overspeed.

[beachcomber2008]

@pdderek It is simpler than that

The plane collided, and the explosion traveled down the lift shafts in 0.68 seconds

It would seem coordinated but it was the ONE explosion

As it WAS comparable to six thermobaric bombs it had no problem

What explosions do is GO OFF

What PEOPLE do is get shocked and draw wrong conclusions

Then other people draw other, wronger, conclusions

That's YOU

The lift shafts were PIPES guiding the blast wave down

People down the stairs still had problems.