From: Brian D Williams (talon57@well.com)
Date: Tue Aug 20 2002 - 13:12:43 MDT
>From: CurtAdams@aol.com
>>bradbury@aeiveos.com writes:
>>Not planes per se, but the evolution of planes. As I recall a
>>bomber once crashed into the Empire State Building with little
>>negative effect. What is interesting is that the WTC were built
>>in 1970-72 and the 767 design was started in 1978 and first flew
>>in 1981 (less than a decade apart). It seems clear that there was
>>a lack of thought about building strength relative to mobile
>>energy capacity.
>Just a side effect of improved engineering. Early skyscrapers
>were overdesigned since practical experience with skyscrapers was
>limited and theoretical work too hard. Modern skyscrapers are
>less overdesigned and have less leeway.
1) the planes that hit the WTC were considerably larger than the
bomber that hit the Empire state building.
2) The WTC towers survived the impact of the planes, it was the
extremely long, hot fire caused by a transcontinental load of fuel
that eventually compromised the structure.
Brian
Member:
Extropy Institute, www.extropy.org
National Rifle Association, www.nra.org, 1.800.672.3888
SBC/Ameritech Data Center Chicago, IL, Local 134 I.B.E.W
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