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Why Fact-check? Why preserve a visual record?

The Website Written as a Book
1: Science and Subjective Viewpoints
2: Toward Accurate Collapse Histories
....2.1: Progressive Floor Collapses in the WTC Towers
....2.2: General Global Characteristics of Collapses
....2.3: Mathematical Basis of ROOSD Propagation
....2.4: WTC1 Accurate Collapse History
....2.5: WTC2 Accurate Collapse History
....2.6: WTC7 Accurate Collapse History
3: WTC Collapse Misrepresentations
....3.1: Purpose of the NIST Reports
....3.2: NIST WTC1 Misrepresentations
....3.3: NIST WTC7 Misrepresentations
....3.4: NIST WTC2 Misrepresentations
....3.5: Reviewing the Purpose of NIST and FEMA Reports
....3.6: Bazant Misrepresentation of Collapse Progressions
....3.7: Block Misrepresentations of Collapse Progressions
....3.8: AE911T Misrepresentations of the Collapses
4: Scientific Institutions Can Be Unaware of Contradiction
5: Reassessing the Question of Demolition
....5.1: The Case of WTC1
....5.2: The Case of WTC2
....5.3: The Case of WTC7
6: WTC Collapse Records Studied as Meme Replication
....6.1: Meme Replication in Technical Literature
....6.2: Meme Replication in Mass Media
....6.3: Meme Replication in Popular Culture
....6.4: John Q Public and the WTC Collapse Records

WTC Twin Towers Collapse Dynamics

Official, Legal Attempts to Explain Collapses

Academic Attempts to Explain Collapses Reviewed

On the Limits of Science and Technology

WTC Video Record

WTC Photographic Record
WTC1 Attack to Collapse
WTC2 Attack to Collapse
Fire Progression, WTC1 North Face
Fire Progression, WTC1 South Face
Fire Progression, WTC1 East Face
Fire Progression, WTC1 West Face
Fire Progression, WTC2 North Face
Fire Progression, WTC2 South Face
Fire Progression, WTC2 East Face
Fire Progression, WTC2 West Face
Debris: WTC1 Around Footprint
Debris: WTC2 Around Footprint
Debris: From WTC1 Westward
Debris: From WTC1 Northward
Debris: From WTC2 Eastward
Debris: From WTC2 Southward
Debris: Plaza Area, Northeast Complex
Debris: Hilton Hotel, Southwest Complex
Debris: General, Unidentified Locations
Damage to Surrounding Buildings
Perimeter Column Photo Record
Perimeter Columns: Types of Damage
Core Box Columns: Types of Damage
Complete Photo Archive
Other Major 9-11 Photo Archives
The 911Dataset Project

WTC Structural Information

Log In


Remember Me

Online Misrepresentations of the WTC Collapses

Forum, Blog Representations of the WTC Collapses

The Book Tested Through Experiments

Miscellaneous Notes, Resources
FAQ for Miscellaneous Notes
History Commons 9/11 Timeline
The 911Dataset Project
Skyscraper Safety Campaign
First and Largest 9/11 Conspiracy Theory
Key Words in Book and Website
Trapped Within a Narrowed False Choice
Vulnerability and Requestioning
On Memes and Memetics
Obedience, Conformity and Mental Structure
Denial, Avoidance (Taboo) and Mental Structure
Taboos Against Reviewing the Collapse Events
Extreme Situations and Mental Structure
Suggestibility, Hypnosis and Mental Structure
Awareness and Behavior
Magical, Religious, Scientific Cause-Effect Relations
The Extreme Limits of Mental Dysfunction
Orwell's "Crimestop", "Doublethink", "Blackwhite"
William James, Max Born: Science as Philosophy
Plato on Self Reflection and Mental Structure
Rewriting History, part 1
Rewriting History, part 2
On Smart Idiots

New Ideas in Education

WTC1 Ejections Below the Collapse Fronts

WTC1 Ejections Below the Collapse Fronts

A composite image of supposedly random ejections seems to show a repeating pattern

This pattern was extracted from the motion shown here:

75th floor:

Mechanical floor ejections

Even ejections along the fl 75 MER beam flooring

WTC1 E, N faces, fl 75-77 MER ejections:

N fl 41-43 ejections"

Ejection Locations

For each jet we require the following parameters:

a) Floor (001..110)
b) Face (N, S, E, W)
c) Position (000..100 % across face from left to right)
d) Start Time (00.00 s from t0)
e) Horizontal Rate (00 m/s based on time for ejecta to be 10m from face?)
f) Elevation (000.0m)

Suggested format: 110 N 050 01.23 12 123.4

Multiple possibles for each jet listed. Each jet separated by blank line.

89W 331,0128 (col. 450 ... 455 ???)

88W 327.35m (col. 445 ... 450 ???)

87W 323.69m 4.13sec (col.430 ... 440 ???)

86? N 068? ? ? ?
85 N ? ? ? 313.3
85N 316.38m 4.81sec (col.117 ... 121)

85 W ? ? ? 316.3*

75N 277.97m 5.49sec (col.128 ... 130)
75 N ? ? ? 274.9

77W 286.51m 4.81sec (col.434 ... 430)
75 W ? ? ? 277.9*

55N 202.99m 9.33sec (col.443)
55 N ? ? ? 256.0

54W 199,34m 9.73sec (col.115)
55 W ? ? ? 202.0

41N 149.35m 11.59sec (start in the center, later about 50% wide)

I found this image in the blueprints. It shows an elevator pit at the 77th floor and the lowest opening at the 78th fl sky lobby.

The drawings of all the elevator banks on the 77th and 76th fls are available at the link:

Go to "zone 3 elevation banks A, B, C and D".

If I were to attack columns at the welds in this region, the 77th fl welds at the base of the pits would be the perfect choice. (You don't even need to bring your own ladder.)

The area under the hall leading to the elevators must be dead space, since it surrounded by elevator pits on both sides. This leaves the pits themselves and the dead space between pits as concealed areas. The 77th fl weld connections are in this concealed space, about 3 to 4 ft above the floor of the pit.

Where are the 77th floor elevator pits located?

(orange arrow should be moved to line up with the hallway.)

The elevators that are marked on floor 78 but disappear on floor 77 have pits on floor 77.

The areas in which people wait for these elevators become bathrooms on floor 77.

I think most everyone can agree that a sharp over-pressurization of one or more 77th fl elevator pits that bursts out the side of the pit into the hallway is the leading explanation for the 77th fl ejection which matches all observables. Besides these pits, there is nothing structurally unique about floor 77 that could explain over-pressures.

In the images above please notice how the hallway is much wider on fl 78 than it is on fl 77.

If you look closely at the77th fl plans, you will see that there are wide closets (shown in purple below) which narrow the hall considerably.

I think this is important to understand why the jet shot out over such a narrow range of windows.

The hallway is in green below.

The ejection lines up perfectly with the green hallway. Notice that the ejection is only concentrated over a few windows. We can count 26 columns from the NW and 33 from the SW corners, which lines up in the middle of the green hallway. If the closets were not there and the hallway was wider, the ejection woud no longer line up with the center of the hallway.

The elevator pits are in the red regions separated by bathrooms. The ejection is most probably due to activity in the pits breaking through the hallway walls and charging the green hallway with pressure.

Collapse initiation from the south and southward ejecta below the collapse front studied in detail at this link.

Created on 05/25/2008 08:04 PM by admin
Updated on 11/07/2014 08:35 AM by admin
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