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Originally posted by Griff
What an easy way to "get away with it" if thermite was actually used.
Molten aluminum has a 4-digit UN identification number of 9260. When referenced in the ERG it refers to guide 77 for hazards of the material. Guide 77 was an addition to the 1993 version of the ERG. Molten aluminum is the only material that refers to this guide. The guide indicates that the material is above 1300� F, and will react violently with water, which may cause an explosion, and release a flammable gas. The molten material in contact with combustible materials may cause ignition, if the molten material is above the ignition temperature of the combustible material. For example, gasoline has an average ignition temperature of around 800� F. Diesel fuel has an average ignition temperature of around 400� F, depending on the blend, and additives. In an accident gasoline or diesel fuel could be spilled. The molten material could be an ignition source for the gasoline or diesel fuel if it came in contact. When contacting concrete on a roadway, or at a fixed facility, molten materials could cause spalling and small pops. This could cause pieces of concrete to become projectiles. Contact with the skin would cause severe thermal burns. There is no personnel protective clothing that would adequately protect responders from contact with molten materials.
Originally posted by Seymour Butz
That's how the "melted" beams from 7 were found, which confirms that the inspection process was fairly rigorous. Again, which is contrary to the beliefs held by CTists..........
Because NIST recovered no steel from WTC 7, it is not possible to make any statements about its quality. The recommended values for the stress-strain behavior were estimated using the same methodology that was used for the WTC 1 and WTC 2 steels (NIST NCSTAR 1-3D). The static yield strengths were estimated from historical averages and corrected for testing rate effects.
Because, prior to collapse, WTC 7 did not suffer any high-strain rate events, NIST made no effort to estimate high-strain-rate or impact properties of the steel.
No metallography could be carried out because no steel was recovered from WTC 7.
Originally posted by ULTIMA1
NIST did not recover any steel from building 7 for testing.
Originally posted by ULTIMA1
NIST did not recover any steel from building 7 for testing.
Originally posted by Seymour Butz
Well, you gotta admit that the whole spheres thing is inconclusive, at best.
Originally posted by Sublime620
If that was the case, why wasn't it brought up to begin with?
Are there any examples of other building collapses that had "thermite" residue that you can compare with, or are people just making stuff up as they go?
I find it hard to believe that anyone could predict what would fuse with what in a building collapse.
Originally posted by Griff
That is my point. If you were a conspirator, would you use something that has telltale signs or would you use something that could be explained away?
Originally posted by Griff
No offense but I didn't see anything in your quote about natural themite and how it could concievably mix at the right amounts to become thermite. Thanks.
Originally posted by Seymour Butz
c- why is that? Fly ash is a known substance. It happens naturally when "stuff" is burned. It's very common.
Originally posted by Seymour Butz
But you already knew that since you had numerous posts in Griff's thread about that very thing.
Funny that you didn't mention that..........
Originally posted by Griff
Actually, it happens when "coal" is burned. Haven't ever heard of it other than when coal is burned. But, I could be mistaken.
Originally posted by abelievingskeptic
Is it unreasonable the to think all sorts of "un naturally" occurring chemicals should and would be found in the wreckage?
Yes, it is unreasonable to just assume that because there was a huge mess and pulvarized material that it is conceivable to find the exact makeup of thermite in these spheres. No offence.
If Jones is correct, this should be fairly easy, I am assuming. If no one else comes out to agree, then he will expose himself as pseudoscience, and his career will be rubble, just like the towers. And rightfully so at that.
well, it depends on what you consider as "obvious" signs.
I am not sure what a "tag" is, but would det chord be need if thermite is being used? And again I don't know, but tens of miles seems like a stretch.
In the disposal of unserviceable explosive ordnances, incendiary devices are often used to burn through the ordnance casing and to ignite or otherwise destroy the ordnance payload. Thermite devices are often used for this purpose. Thermite devices are also used for unconventional warfare activities. Examples include the destruction of machinery or metallic structures, or the destruction of biological agents or precursors.
Thermite, one of the most common pyrotechnic incendiary agents, is essentially a mixture of powdered ferric oxide and powdered or granular aluminum. When raised to its ignition temperature, an intense reaction occurs whereby the oxygen in the ferric oxide is transferred to the aluminum, producing molten iron, aluminum oxide, and releasing approximately 750 kilocalories per gram. The reaction proceeds as follows:
8Al+3Fe.sub.3 O.sub.4.fwdarw.4Al.sub.2 O.sub.3 +9Fe
This exothermic reaction may produce a temperature of about 4500.degree. F. under favorable conditions. The white-hot molten iron and slag can itself prolong and extend the heating and incendiary action.
Current DOD Explosive Ordinance Disposal (EOD) training school identifies the use of the standard AN-M14 incendiary grenade to render disposal of certain explosive ordinances. Unfortunately, the current EOD procedure requires several grenades, as many as 10 grenades, to achieve the desired result and the effect of the grenades in certain applications offers inconsistent effectiveness. Its configuration does not allow sufficient penetration.
A device with greater penetration capabilities is the "Thermite Destructive Device," U.S. Pat. No. 5,698,812 issued Dec. 16, 1997 to Eugene Song. This device was designed to create a forceful jet of molten iron through an opening at the bottom of the containing vessel. One grenade containing approximately 350 g of thermate-TH3 charge is capable of burning through a sheet of 1-inch thick steel plate in about 8 second reaction time. The device utilizes a central core-burning configuration to direct the molten products through an orifice at the bottom of the device.
While this design has merit from a penetration standpoint, and a 350 g charge of thermite could penetrate 1-inch thick steel plate, it is still inadequate to produce reasonable hole size levels. It is only capable of burning a 7/8" diameter hole, which is not sufficient enough for the safe disposal of an unexploded munition. A larger sized hole is needed to prevent a buildup of the internal pressure, and to achieve the successful burnout of the filler explosive. Earlier work has indicated that burning a 3" diameter hole through the outer casing will allow the explosive contained in the bomb to burn without transitioning to a detonation.
Thermite, one of the most common pyrotechnic incendiary agents, is essentially a mixture of powdered ferric oxide and powdered or granular aluminum. When raised to its ignition temperature, an intense reaction occurs whereby the oxygen in the ferric oxide is transferred to the aluminum, producing molten iron, aluminum oxide, and releasing approximately 750 kilocalories per gram.
Originally posted by SlightlyAbovePar
I think people forget how massive the WTCs were. They were 110 stories. Acres and acres of office space. Huge structures. In order to simultaneously detonate enough thermite to actually bring down the towers you would need a massive wiring job, involving all sorts of high tech gadgets (to time the explosion) and some way to connect all those charges. Enter, det-cord. It is not a stretch to say literal miles of this stuff would be needed. Not one centimeter was found. Ever. By anyone.
Originally posted by SlightlyAbovePar
“They” would have needed thousands of these devices to bring the towers down. Thousands.