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| New to the forum - well 3 days old - looking forward to fun debate |
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| - I am willing to discuss any subject as long as it remains civil |
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| - exceptions being anti-semetic, non-support of the soldiers (you can argue about the general military complex - but to minimize the fact that these men and women willingly lay down their lives for your country is just cowardly and sad) |
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| - you get hostile ill just stop being a part of the conversation |
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| -I will answer any question truthfully and to the best of my ability - i am willing to answer anything that i can. |
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| - I do believe in the Official Story - and I have studied the evidence from both sides. Its my opinon - respect it - I will respect yours. |
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| - I do also post at JREF so make of that what you will. |
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| - my knowledge bio - i have 3 years active military experience and 2 more years total in hostile combat operations I am combat weapon trained. I am employed by a government (ahhh NWO Shill!!! :ph43r: ) - though doing what frankly is none of your business. i just disclose this as I dont want anyone to think i am hiding anything |
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| thanks for the welcome everyone! Right on! We have no business spreading hate of any kind. As for the soldiers, I think you'll find that pretty much everyone in the "Truth Movement", which is anyone who has questions about 9/11, deeply respects the troops for being willing to die for us. Please don't mistake our distrust of the commander in chief as a declaration of our distrust of the troops he commands. We believe that an evil man is commanding good men & women to do bad things. Most of us believe that the troops are good people, who simply haven't "awakened", or if they have, cannot escape the current battle they are engaged in for some time, due to the contracts they've signed. I often ask "Who doesn't support the troops?" Conversely, if we do criticize a general or a group of soldiers for doing something wrong, for instance, some of the occasions where innocent civilians have been killed, we only criticize their behavior in that particular incident, and we do not necessarily question their commitment to the USA, or their patriotism in general. |
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| Why do you post there? Even if I believed the official story I wouldn't set foot in that place... |
| QUOTE (ArteW @ Aug 27 2007, 04:09 PM) |
| ok for the debate first question: if u believe in the official story then u believe that the 19 hijackers did it right? then answer me why some hijackers turn out to be alive and they never modified the actual list of the hijackers? plus mohamed atta went to strip clubs and snifed cocaine, those things arent allowed by is religion then why would he kill himself if he doesnt expected to go to the paradise? plus none of the hijackers had nothing to do with ossama. Please explain me what do u think of the hijackers and forgive my english lol |
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| ok for the debate first question: if u believe in the official story then u believe that the 19 hijackers did it right? then answer me why some hijackers turn out to be alive and they never modified the actual list of the hijackers |
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| mohamed atta went to strip clubs and snifed cocaine, those things arent allowed by is religion then why would he kill himself if he doesnt expected to go to the paradise? |
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| none of the hijackers had nothing to do with ossama. Please explain me what do u think of the hijackers and forgive my english lol |
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| Digest here are some question for you. |
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| What metal was pouring out of building 2 before it collapsed? |
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| Where was the investigation to the missing 2.3 trillion in funds locaited at? |
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| UL company said that the twin towers could take how many hits from planes and still stand? (707 where used in the test) |
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| Do you know who John O'Neill is? |
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| Have you looked over the flight manifest logs for people on board? |
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| Have you looked at the flight list for take offs that day? |
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| Who was the fire fighter to reach the 78th floor just prior to its collaps? |
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| How long was there red hot mealted metal flowing underground at the WTC? |
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| What was the temps of the fires by the offical story? What is the temps needed to weaken the metal at the WTC? |
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| By the offical story many KNEW the towers where going to fall. Why where there no warnings to the first responders on 9/11? |
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| Thats all from me for now. Ask me some questions. Ill try to answer the best I can. Im just a old soldier asking questions. So what I know may not all the 100%. |
| QUOTE (AlexG @ Aug 29 2007, 04:03 AM) |
| It's good to see there are people interested in talking about the issue, not beating each other up or playing word games (my own pet peeve). I would like to know if there are any aspects of the Official Story which you find difficult to believe. I am neither a believer nor a skeptic... I live in "still considering" land. But after looking at the evidence, I just can't believe that the jet impact and fires caused the towers to collapse. But that doesn't automatically mean demolitions, either; there may be other variables. Anyway, the question I am getting at is, even if you don't agree with the Truthers' explanations, is there anything in the offical story that doesn't set quite right with you? |
| QUOTE (reformedrepublican @ Aug 27 2007, 07:12 AM) |
| as we're all grown adults here, |
| QUOTE (joe911 @ Aug 29 2007, 08:35 AM) |
| not entirely true lol :P |
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| This is respose to question 4. Speeds and fuel on each plane. 707 vs 767. In the early 1970's the World Trade Center's chief structural engineer, Leslie Robertson, calculated the effect of the impact of a Boeing 707 with the World Trade Center towers. His results were reported in the New York Times where it was claimed that Robertson's study proved the towers would withstand the impact of a Boeing 707 moving at 600 miles an hour. Little did he know that decades later two aircraft, almost identical to the Boeing 707, would impact the towers. |
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| The two towers were the first structures outside of the military and nuclear industries designed to resist the impact of a jet airliner, the Boeing 707. [B]It was assumed that the jetliner would be lost in the fog, seeking to land at JFK or at Newark. To the best of our knowledge, little was known about the effects of a fire from such an aircraft, and no designs were prepared for that circumstance. Indeed, at that time, no fireproofing systems were available to control the effects of such fires[/B]. |
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| The structures of the buildings were heroic in some ways but less so in others. The buildings survived the impact of the Boeing 767 aircraft, an impact very much greater than had been contemplated in our design (a slow-flying Boeing 707 lost in the fog and seeking a landing field). Therefore, the robustness of the towers was exemplary. At the same time, the fires raging in the inner reaches of the buildings undermined their strength. In time, the unimaginable happened . . . wounded by the impact of the aircraft and bleeding from the fires, both of the towers of the World Trade Center collapsed. |
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| Figure 3 shows the comparative energy of impact for the Mitchell bomber that hit the Empire State Building during World War II, a 707, and a 767. The energy contained in the fuel is shown in Figure 4. Considerations of larger aircraft are shown in Figures 5 and 6. The physical sizes of these aircraft are compared with the size of the floor plate of one of the towers in Figure 7. These charts demonstrate conclusively that we should not and cannot design buildings and structures to resist the impact of these aircraft. Instead, we must concentrate our efforts on keeping aircraft away from our tall buildings, sports stadiums, symbolic buildings, atomic plants, and other potential targets. |
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| Other engineers are on public record as saying that the World Trade Center would even survive an impact of the larger and faster Boeing 747. |
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| The maximum takeoff weight for a Boeing 707-320B is 336,000 pounds. The maximum takeoff weight for a Boeing 767-200ER is 395,000 pounds. The wingspan of a Boeing 707 is 146 feet. The wingspan of a Boeing 767 is 156 feet. The length of a Boeing 707 is 153 feet. The length of a Boeing 767 is 159 feet. The Boeing 707 could carry 23,000 gallons of fuel. The Boeing 767 could carry 23,980 gallons of fuel. |
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| However, the actual aircraft involved in the World Trade Center impacts were only flying from Boston to Los Angeles, and consequently, would have been nowhere near fully fueled on takeoff (the Boeing 767 has a maximum range of 7,600 miles (12,220 km)). The aircraft would have carried just enough fuel for the trip together with some safety factor. Remember, that carrying excess fuel means higher fuel bills and less paying passengers. The aircraft would have also burnt some fuel between Boston and New York. |
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| Government sources estimate that each of the Boeing 767's had approximately 10,000 gallons of unused fuel on board at the times of impact. |
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| To give you some idea how much jet fuel this is, an 11 foot by 11 foot by 11 foot tank contains 10,000 gallons (1 US gallon = 0.13368 cubic feet). So a novel way of destroying high-rise buildings is to load an 11 foot by 11 foot by 11 foot glass tank of jet fuel into a Ryder truck, drive it into the ground floor lobby, break the glass, set light to the fuel and walk away, the high-rise should collapse in about an hour (after all, 12,000 gallons of diesel was all it took to bring down WTC 7). Look mom, no explosives needed. |
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| The events of September 11 ended the lives of almost 2,900 people, many of them snuffed out by the collapse of structures designed by me. [B]The damage created by the impact of the aircraft was followed by raging fires, which were enormously enhanced by the fuel aboard the aircraft.[/B] The temperatures above the impact zones must have been unimaginable; none of us will ever forget the sight of those who took destiny into their own hands by leaping into space. |
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| The buildings survived the impact of the Boeing 767 aircraft, an impact very much greater than had been contemplated in our design (a slow-flying Boeing 707 lost in the fog and seeking a landing field). |
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| Since, the Boeing 767 is much more fuel-efficient than the 707, a Boeing 707 traveling the same route would carry significantly more fuel and would therefore be a much greater danger from the perspective of a jet fuel fire. |
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| Robertson::To the best of our knowledge, little was known about the effects of a fire from such an aircraft, and no designs were prepared for that circumstance. Indeed, at that time, no fireproofing systems were available to control the effects of such fires |
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| The buildings survived the impact of the Boeing 767 aircraft, an impact very much greater than had been contemplated in our design (a slow-flying Boeing 707 lost in the fog and seeking a landing field). Therefore, the robustness of the towers was exemplary |
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| Thus the quantity of fuel that burnt on September 11 would have been envisaged by those who designed the towers. In fact, the towers were designed to survive much more serious fires than those of September 11. |
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| The two towers were the first structures outside of the military and nuclear industries designed to resist the impact of a jet airliner, the Boeing 707. It was assumed that the jetliner would be lost in the fog, seeking to land at JFK or at Newark. To the best of our knowledge, little was known about the effects of a fire from such an aircraft, and no designs were prepared for that circumstance. Indeed, at that time, no fireproofing systems were available to control the effects of such fires. |
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| Over the years, a number of other high-rise buildings have suffered significantly more serious fires, but none have collapsed (not one). Before September 11, no steel framed skyscraper had ever collapsed due to fire. However, on September 11, it is claimed that three steel framed skyscrapers collapsed mainly, or totally, due to fire. |
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| See this article for proof that the jet fuel fires can be ruled out as the cause of the World Trade Center collapses. The cruise speed of a Boeing 707 is 607 mph = 890 ft/s, The cruise speed of a Boeing 767 is 530 mph = 777 ft/s. So, the Boeing 707 and 767 are very similar aircraft, with the main differences being that the 767 is slightly heavier and more fuel-efficient, and the 707 is faster. The thrust to weight ratio for a Boeing 707 is 4 x 18,000/336,000 = 0.214286. The thrust to weight ratio for a Boeing 767 is 2 x 31,500/395,000 = 0.159494. Since the Boeing 707 had a higher thrust to weight ratio, it would be traveling faster on take-off and on landing. And, since the Boeing 707 would have started from a faster cruise speed, it would be traveling faster in a dive. So in all the likely variations of an accidental impact with the WTC, the Boeing 707 would be traveling faster. In terms of impact damage, this higher speed would more than compensate for the slightly lower weight of the Boeing 707. To illustrate this point we calculate the energy that the planes would impart to the towers in any accidental collision at their cruise speed. The kinetic energy released by the impact of a Boeing 707 at cruise speed is = 0.5 x 336,000 x (890)2/32.174 = 4.136 billion ft lbs force (5,607,720 Kilojoules). The kinetic energy released by the impact of a Boeing 767 at cruise speed is = 0.5 x 395,000 x (777)2/32.174 = 3.706 billion ft lbs force (5,024,650 Kilojoules). From this, we see that at cruise speed, a Boeing 707 would smash into the WTC with about 10 percent more energy than would the slightly heavier Boeing 767. That is, under normal flying conditions, a Boeing 707 would do more damage than a Boeing 767. In conclusion we can say that if the towers were designed to survive the impact of a Boeing 707, then they were necessarily designed to survive the impact of a Boeing 767. |
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| So what can be said about the actual impacts? The speed of impact of AA Flight 11 has been estimated to be 470 mph = 689 ft/s. The speed of impact of UA Flight 175 has been estimated to be 590 mph = 865 ft/s. The kinetic energy released by the impact of AA Flight 11 was = 0.5 x 395,000 x (689)2/32.174 = 2.914 billion ft lbs force (3,950,950 Kilojoules). This is well within limits that the towers were built to survive. So why did the North tower fall? |
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| The kinetic energy released by the impact of UA Flight 175 was = 0.5 x 395,000 x (865)2/32.174 = 4.593 billion ft lbs force (6,227,270 Kilojoules). This is within 10 percent of the energy released by the impact of a Boeing 707 at cruise speed. So, it is also a surprise that the 767 impact caused the South tower to fall. |
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| Note that the speed of a projectile determines whether the impact damage is localized or spread across a large area. The faster the projectile, the more localized the damage. Common examples illustrating this effect are, the driving of a nail through a piece of wood, and the firing a bullet through a fencepost. Both are done at speed and thus do only local damage. In both of these examples, the wood just a centimeter or two from the impact point, is essentially undamaged. Similarly, the aircraft impacts were at great speed and the damage localized. This effect is |
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| We are told that the "hijackers" wanted to cause maximum death and destruction, then why didn't they hijack Boeing 747s? Boeing 747s weigh more than twice as much, they can carry more than twice the fuel and travel faster than the Boeing 767. Consequently, Boeing 747s would have caused much more death and destruction than the 767s. |
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| Also, why did the hijackers choose to hijack aircraft leaving Boston, when they could have just as easily hijacked aircraft from one of the New York city airports (LaGuardia, Newark or JFK). |
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| Hijacking aircraft from Boston, meant that they had to deviate from their designated routes, while still a long way from Manhattan. Of course, as is usual, all sorts of alarm bells would be set off as soon as the aircraft deviated substantially from their prescribed routes. Not only that, the US Air Force specialist quick response unit, the Air National Guard, would almost certainly intercept them before they reached their target (and would have assuredly shoot down the second 767, after seeing what happened to the first). |
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| It is often claimed that the WTC was designed only to withstand the collision of a Boeing 707 that was seeking to land at one of the nearby airports, and that since such aircraft would be low on fuel, only small jet fuel fires were envisaged. However, this is an obvious lie. Why is it an obvious lie? Well, because if you take into consideration planes that are landing at an airport, then you must consider planes that are taking off, and such planes are potentially fully laden with fuel. |
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| The two towers were the first structures outside of the military and nuclear industries designed to resist the impact of a jet airliner, the Boeing 707. It was assumed that the jetliner would be lost in the fog, seeking to land at JFK or at Newark. To the best of our knowledge, little was known about the effects of a fire from such an aircraft, and no designs were prepared for that circumstance. Indeed, at that time, no fireproofing systems were available to control the effects of such fires. |
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| Since the WTC towers were designed to handle extreme wind loading (140 mph hurricane force winds) they would survive the impact of a Boeing 707 (even one that was traveling at full speed) without adding any extra features to the design (above those already necessary to handle the wind loading). |
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| All that the designers would have to consider, is effect of a jet fuel fire from a fully fueled jet that crashed into one of the towers shortly after taking off from one of the local airports. |
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| Overall, it comes as a great surprise that the impact of a Boeing 767 bought down either tower. Indeed, many experts are on record as saying that the towers would survive the impact of the much larger and faster Boeing 747. |
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| Dei Jurum Conventus Towers' collapse shocks engineers "I designed it for a (Boeing)707 to hit it." !!! ---said Lee Robertson, the WTC project's structural engineer, addressing a conference in Frankfurt, Germany, LAST WEEK, on problem of terrorism on high-rises, according to Chicago engineer Joseph Burns to the Chicago Tribune. .......(SIC)........... "Fire melts steel," Burns told the Tribune, speculating that the impact from the planes had damaged sprinkler systems in both towers. "You never know in an explosion like that whether they get cut off," Burns said. Because of the buildings' heights, engineers used tubular construction of tightly spaced steel columns. The floor trusses were built across to this central core. Copyright 2001 by United Press International. All rights reserved. Reason is the enemy of terror. By Fintan Dunne, co-Editor TWO WTC DESIGNERS SAY BUILDING DESIGNED FOR PLANE IMPACT |
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| This is the actual quote from Robertson (bolding from me) CODE The two towers were the first structures outside of the military and nuclear industries designed to resist the impact of a jet airliner, the Boeing 707. It was assumed that the jetliner would be lost in the fog, seeking to land at JFK or at Newark. To the best of our knowledge, little was known about the effects of a fire from such an aircraft, and no designs were prepared for that circumstance. Indeed, at that time, no fireproofing systems were available to control the effects of such fires. also here : CODE The structures of the buildings were heroic in some ways but less so in others. The buildings survived the impact of the Boeing 767 aircraft, an impact very much greater than had been contemplated in our design (a slow-flying Boeing 707 lost in the fog and seeking a landing field). Therefore, the robustness of the towers was exemplary. At the same time, the fires raging in the inner reaches of the buildings undermined their strength. In time, the unimaginable happened . . . wounded by the impact of the aircraft and bleeding from the fires, both of the towers of the World Trade Center collapsed. and here: CODE Figure 3 shows the comparative energy of impact for the Mitchell bomber that hit the Empire State Building during World War II, a 707, and a 767. The energy contained in the fuel is shown in Figure 4. Considerations of larger aircraft are shown in Figures 5 and 6. The physical sizes of these aircraft are compared with the size of the floor plate of one of the towers in Figure 7. These charts demonstrate conclusively that we should not and cannot design buildings and structures to resist the impact of these aircraft. Instead, we must concentrate our efforts on keeping aircraft away from our tall buildings, sports stadiums, symbolic buildings, atomic plants, and other potential targets |
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| Like say the Madrid Building? i can can discuss that one as i have studied it if you would like. The Steel structure did indeed collapse only the concrete core remained. |
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| The maximum takeoff weight for a Boeing 707-320B is 336,000 pounds. The maximum takeoff weight for a Boeing 767-200ER is 395,000 pounds. The wingspan of a Boeing 707 is 146 feet. The wingspan of a Boeing 767 is 156 feet. The length of a Boeing 707 is 153 feet. The length of a Boeing 767 is 159 feet. The Boeing 707 could carry 23,000 gallons of fuel. The Boeing 767 could carry 23,980 gallons of fuel. I'll assume these numbers are correct - i look them up later |
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| Government sources estimate that each of the Boeing 767's had approximately 10,000 gallons of unused fuel on board at the times of impact. I looked for this and couldnt find a for sure answer so I'll assume your correct |
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| You dismissing the damage caused by the impacts themselves. We both know those planes hitting did some damage. robinson also says |
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You dismissing the damage caused by the impacts themselves. We both know those planes hitting did some damage. robinson also says: CODE The events of September 11 ended the lives of almost 2,900 people, many of them snuffed out by the collapse of structures designed by me. The damage created by the impact of the aircraft was followed by raging fires, which were enormously enhanced by the fuel aboard the aircraft. The temperatures above the impact zones must have been unimaginable; none of us will ever forget the sight of those who took destiny into their own hands by leaping into space. again: CODE The buildings survived the impact of the Boeing 767 aircraft, an impact very much greater than had been contemplated in our design (a slow-flying Boeing 707 lost in the fog and seeking a landing field). |
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| See this article for proof that the jet fuel fires can be ruled out as the cause of the World Trade Center collapses. The cruise speed of a Boeing 707 is 607 mph = 890 ft/s, The cruise speed of a Boeing 767 is 530 mph = 777 ft/s. So, the Boeing 707 and 767 are very similar aircraft, with the main differences being that the 767 is slightly heavier and more fuel-efficient, and the 707 is faster. The thrust to weight ratio for a Boeing 707 is 4 x 18,000/336,000 = 0.214286. The thrust to weight ratio for a Boeing 767 is 2 x 31,500/395,000 = 0.159494. Since the Boeing 707 had a higher thrust to weight ratio, it would be traveling faster on take-off and on landing. And, since the Boeing 707 would have started from a faster cruise speed, it would be traveling faster in a dive. So in all the likely variations of an accidental impact with the WTC, the Boeing 707 would be traveling faster. In terms of impact damage, this higher speed would more than compensate for the slightly lower weight of the Boeing 707. To illustrate this point we calculate the energy that the planes would impart to the towers in any accidental collision at their cruise speed. The kinetic energy released by the impact of a Boeing 707 at cruise speed is = 0.5 x 336,000 x (890)2/32.174 = 4.136 billion ft lbs force (5,607,720 Kilojoules). The kinetic energy released by the impact of a Boeing 767 at cruise speed is = 0.5 x 395,000 x (777)2/32.174 = 3.706 billion ft lbs force (5,024,650 Kilojoules). From this, we see that at cruise speed, a Boeing 707 would smash into the WTC with about 10 percent more energy than would the slightly heavier Boeing 767. That is, under normal flying conditions, a Boeing 707 would do more damage than a Boeing 767. In conclusion we can say that if the towers were designed to survive the impact of a Boeing 707, then they were necessarily designed to survive the impact of a Boeing 767. Again as shown above they were not engineered to withdstand these impact. according to Robertson |
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| So what can be said about the actual impacts? The speed of impact of AA Flight 11 has been estimated to be 470 mph = 689 ft/s. The speed of impact of UA Flight 175 has been estimated to be 590 mph = 865 ft/s. The kinetic energy released by the impact of AA Flight 11 was = 0.5 x 395,000 x (689)2/32.174 = 2.914 billion ft lbs force (3,950,950 Kilojoules). This is well within limits that the towers were built to survive. So why did the North tower fall? Impact force/damage and fire cause steel to weaken and give way |
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| Overall, it comes as a great surprise that the impact of a Boeing 767 bought down either tower. Indeed, many experts are on record as saying that the towers would survive the impact of the much larger and faster Boeing 747. And many more experts agree that the planes and fire did indeed bring down the towers In this regard, see professor Astaneh-Asl's simulation of the crash of the much, much larger and heavier Boeing 747 with the World Trade Center. Professor Astaneh-Asl teaches at the University of California, Berkeley. http://hawaii.indymedia.org/news/2003/07/3257_comment.php Aron Russo's "America from Freedom to Fascism" is now available on bittorrent: "The Movie That Will Cause the Declaration of World-Wide Martial Law". One way or the other, the movie of Your Life. http://thepiratebay.org/tor/3519240 I watch these and respond when i have time |
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| Dei Jurum Conventus Towers' collapse shocks engineers "I designed it for a (Boeing)707 to hit it." !!! ---said Lee Robertson, the WTC project's structural engineer, addressing a conference in Frankfurt, Germany, LAST WEEK, on problem of terrorism on high-rises, according to Chicago engineer Joseph Burns to the Chicago Tribune. .......(SIC)........... "Fire melts steel," Burns told the Tribune, speculating that the impact from the planes had damaged sprinkler systems in both towers. "You never know in an explosion like that whether they get cut off," Burns said. Because of the buildings' heights, engineers used tubular construction of tightly spaced steel columns. The floor trusses were built across to this central core. Copyright 2001 by United Press International. All rights reserved. Reason is the enemy of terror. By Fintan Dunne, co-Editor TWO WTC DESIGNERS SAY BUILDING DESIGNED FOR PLANE IMPACT I can provide the same amount of quotes form other professionals saying the opposite point - whos to say who is right or wrong |
