Re: TNT equivalent when a Boeing 757 fully loaded with fuel explodes
- From: "Keith W" <keithspam@xxxxxxxxxxxxxxxxxxxxxxxxxxxx>
- Date: Thu, 22 Sep 2005 10:22:05 +0100
"jokoch" <jokoch@xxxxxxxxx> wrote in message
news:1127364832.421657.178760@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
> Hi all:
> Did anyone do any calculatioin for an explosion created by a Boeing
> 757/767 fully loaded with fuel?
Yes but I'm not about to repeat the exercise
> Is it going to be in the region of
> 10-50 tonnes of TNT?
The total energy release was higher but
was spread over a longer period than a
high explosive detonation
> The kinetic energy should be included. I'm
> asking because if it proved to be very high, we can all agree that the
> pentagon is really well constructed to withstand such a huge
> directional blast!
>
There wasnt a directional blast. The KE did a fair bit of structural
damage to the outer ring but most of the destruction was caused
by the fire that was started by the atomised jet fuel. That would
have burned off relatively quickly but the office furnishings etc
provided a higher fuel load and sustained the fire.
The Pentagon is a fairly typical 40's concrete building that
was built with relatively strong floors as it was expected to end up
as a warehouse after the war was over.
Keith
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