posted on Nov, 22 2007 @ 11:34 AM
Originally posted by neformore
Hello?
Its not very often on ATS I'll come out and say that another poster is talking complete and utter rubbish, but in this case I have to.
We're not talking about eggs on a leading edge. We're talking about a total combined mass of 218,000lb (maybe more because that was a conservative
estimate) moving at 466mph. All the parts of that airplane are moving in unison, along the same path.
Imagine - if you could - putting an egg on the front of a bullet and firing it at someone. The egg might break on impact (and to be honest
even if it did there would be huge blunt trauma), but the bullet is still going to penetrate.
Your argument is spurious rubbish.
Hi.
No, I was talking about putting an egg on the leading edge to prove a point - there are many different densities of metals on a plane, the fact it is
connected makes such an impact force calculation rather skewed. It also does not consider that once the fuselage has impacted, the speed has slowed,
thus reducing the impact force of the wings (and engines) following with it.
You describe purely the impact force of the plane, but you are completely ignoring Newtons 3rd Law. Whatever page you copied your maths from, was for
working out the impact force of a car crashing (a much simpler amalgamation of the object hitting - mostly steel) - not what it crashed into, or the
likelihood of it penetrating any type of material.
"To every action there is always opposed an equal reaction: or, the mutual actions of two bodies upon each other are always equal, and directed to
contrary parts."
Now, the plane did hit the tower, and the tower did hit the plane. With equal force. Upon impact, it becomes a contest of who can withstand the most
force - plane or building.
Each tower weighed ~500,000 tons. The plane hitting it on 5 floors is roughly 5 floors divided by 110 = 4.5%. Which is approximately 22,500 tons
(4.5% of 500,000). The 767 is supposed to weigh 140 tons - which is 0.6% of the mass it impacted.
Some things about this - the plane did not impact all of the 5 floors at once, and apparantly the steel at this part of the building was thinner than
at lower sections, but even if you use 1/3rd of the building mass - 7500 tons - the aluminium plane was still only 1.8% of the mass of the object it
impacted.
And whoever mentioned straws into tree's in hurricanes - it's not the same thing -
Intense winds can
bend a tree or other objects, creating cracks in which which debris (e.g., hay straw) becomes lodged before the tree straightens and the crack
tightens shut again.