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Originally Posted by roundhead
and you are ignoring the fact they were designed to be hit by a FULLY LOADED 707...hint fully loaded 707...ie 25,000 gallons of fuel...not the 10,000 gallons the tower planes had onboard...and dont try and tell me a 707 is a dinky plane..there sizes are very similar..
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nope wrong: it was designed to withstand a lost 707 looking to land in NY ... where its likely it will only have an hour of fuel time ...
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Originally Posted by http://en.wikipedia.org/wiki/Collapse_of_the_World_Trade_Center
The buildings had in fact been designed to withstand the impact of the largest airliner of the day, the Boeing 707-320, lost in fog while looking to land. The modeled aircraft weighed 263,000 lb (119 metric tons) with a flight speed of 180 mph (290 km/h), as in approach and landing. [2]The 767s that hit the towers had a kinetic energy more than seven times greater than the modeled impact. Nonetheless, the impacts alone did not cause the towers to collapse. |