Car disentigrates against bridge, page 3

reply to post by TheGreatest

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there were pieces of the car left over, its just smaller and scattered around the place. exactly like the pentagon, just because people dont recognise what they are looking at and the photos are from a distance they say there is no wreckage when there is.

reply to post by ANOK

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Where is the evidence a plane can penetrate steel? If it was steel foil then yes, but massive 4" thick box columns?

Think kamikaze. Wooden planes through steel decks.

Originally posted by samkent
reply to post by ANOK

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Where is the evidence a plane can penetrate steel? If it was steel foil then yes, but massive 4" thick box columns?

Think kamikaze. Wooden planes through steel decks.

LOL
wooden planes steel decks

It was decided then that pilots would purposely crash their planes — with half a ton of explosives — into American warships.

www.u-s-history.com...

Whaddya know?
an untruther
think with your brain not your A44

reply to post by Danbones

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Whaddya know?
an untruther
think with your brain not your A44

There cases of unexploded bombs below decks. Learn your history.

This recent one in Russia on the M-7 is just as bad.



The M-7 is a deadly bit of road

Originally posted by samkent
reply to post by Danbones

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Whaddya know?
an untruther
think with your brain not your A44

There cases of unexploded bombs below decks. Learn your history.

its history I just showed you lying by ommision

Originally posted by lunarasparagus
Let's not exaggerate. Those "massive 4" thick box columns" were hollow, the walls averaging .37 inches in thickness.

The box columns had at least 4" thick walls at the impact points, four of them arranged in a box configuration. (they were 6" nearer the bottom, as they tapered in size, and had an extra steel plate in the center of the box)

That means the plane went through two 4" thick steel plates, and two 4" thick steel plates side on. There were 47 of those columns.

wtcmodel.wikidot.com...

Core column at the bottom...



A little further up, they lose the middle plate and increase thickness from 5" to 6"...



And the top...



Where are you getting 0.37 from?

No exaggeration, just facts.

Originally posted by samkent

Think kamikaze. Wooden planes through steel decks.

LOL more OSer nonsense.

Kamikaze planes were loaded with bombs and torpedoes.

Wooden planes can not go though steel decks mate.

If you understood physics you would know that.

Kamikaze aircraft were essentially pilot-guided explosive missiles, purpose-built or converted from conventional aircraft, without the ability to deliver torpedoes or bombs or attack other aircraft, or even to land. Pilots would attempt to crash their aircraft into enemy ships in what was called a "Body Attack" (体当たり; 体当り, taiatari) in planes laden with some combination of explosives, bombs, torpedoes and full fuel tanks; accuracy was much better than a conventional attack, and the payload larger.

en.wikipedia.org...

Originally posted by ANOK

Originally posted by lunarasparagus
Let's not exaggerate. Those "massive 4" thick box columns" were hollow, the walls averaging .37 inches in thickness.

The box columns had at least 4" thick walls at the impact points, four of them arranged in a box configuration. (they were 6" nearer the bottom, as they tapered in size, and had an extra steel plate in the center of the box)

That means the plane went through two 4" thick steel plates, and two 4" thick steel plates side on. There were 47 of those columns.

wtcmodel.wikidot.com...

Core column at the bottom...



A little further up, they lose the middle plate and increase thickness from 5" to 6"...



And the top...



Where are you getting 0.37 from?

No exaggeration, just facts.

edit on 3/28/2012 by ANOK because: (no reason given)

I'm referring to the exterior perimeter columns, not the core columns.

Originally posted by thedman
reply to post by Asktheanimals

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You mean parts like these ?

Yes, aircraft parts. But not from NYC.
The discussion was about the Pentagon.

reply to post by samkent

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No kamikaze plane ever went through a steel deck but the bomb attached to the bellies didn't have any problem doing it.
Many US Navy ships in WW2 had wooden decks anyway.

reply to post by Asktheanimals

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Second post is of Pentagon aircraft parts

Get with the program........

reply to post by ANOK

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Regardless, at the their velocity, it seems the planes carried enough kinetic energy to easily sever the outer and some of the core columns.

Originally posted by lunarasparagus
reply to post by ANOK

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Regardless, at the their velocity, it seems the planes carried enough kinetic energy to easily sever the outer and some of the core columns.

Again an OSer proves he doesn't understand physics, why am I not surprised?

Have you ever heard of Sir Issac Newton?

Newton's laws of motion are three physical laws that form the basis for classical mechanics.

en.wikipedia.org...

Ever heard of Newtons three laws of motion?

Ever heard the phrase 'equal and opposite reaction?

... in every interaction, there is a pair of forces acting on the two interacting objects. The size of the force on the first object equals the size of the force on the second object. The direction of the force on the first object is opposite to the direction of the force on the second object. Forces always come in pairs - equal and opposite action-reaction force pairs.

www.physicsclassroom.com...

Do you understand what that means lunarasparagus? It means the force on the plane is EQUAL to the force on the buildings when they collided. What does that mean? It means the velocity of the plane is not the deciding factor. Mass is the deciding factor. The object with the most mass will be the least damaged.

Both the plane and the steel would experience the same kinetic energy, that force would be the same on the plane and the steel.

Now read this carefully....

Newton's third law of motion is naturally applied to collisions between two objects. In a collision between two objects, both objects experience forces that are equal in magnitude and opposite in direction. Such forces often cause one object to speed up (gain momentum) and the other object to slow down (lose momentum). According to Newton's third law, the forces on the two objects are equal in magnitude. While the forces are equal in magnitude and opposite in direction, the accelerations of the objects are not necessarily equal in magnitude. In accord with Newton's second law of motion, the acceleration of an object is dependent upon both force and mass. Thus, if the colliding objects have unequal mass, they will have unequal accelerations as a result of the contact force that results during the collision.

www.physicsclassroom.com...

It's the unequal acceleration that causes the damage. The object with the most mass will decelerate more slowly than the smaller mass, which will stop a lot faster causing is to receive more damage.

You can test this for yourself here...

www.fearofphysics.com...

Try it and learn what happens when two objects collide.

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