The structure was designed to withstand the impact from a 707, and it
did. The designers have said they designed it to withstand the biggest
plane flying but the 747 is much bigger than the 707. Methinks they did
the plane calcs early in the design and didn't have a mole in Seattle.
Also, we also don't know which 707 they used in their calcs. The MTOW (max
take off weight) of a 707 and a 767-200ER (both planes to strike the WTC
towers were that model) and the max fuel capacities aren't that much
different.
No, they didn't figure in the fire from the fuel or at least, the plane
scenario had the plane going though the building - not exploding within....
At 02:03 9/17/2001, Randall was inspired to say:
>One of the news bites I heard during the disaster was that the original
>architect had commented that the structure was designed to withstand a
>direct hit from a commercial aircraft. I wonder what happened ? Did he
>not account for the burning fuel, or is it just that jets have gotten
>bigger ?
Cheers!
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