I was watching videos on youtube and it said the plane that crashed on 9/11 was impossible?

Question

it was a video concering 9/11, flight 175. they were talking about how at 700 ft. altitude a plane cannott be going as fast as it was, and it would have broken apart in mid-air before it even hit the twin tower. but the people who are trying to prove this, if that's true... how do they explain how it went that fast ? or what are they trying to get across. im 14 yearss old and 9/11 has always been a troublesome topic for me. thank youu.

Answer 1

They're just wrong.  

The 767 is capable of going that fast.  Modern jetliners have excess power for takeoff in case one engine quits at a critical moment.  The result is that on two good engines they have more than enough power to go faster than their design cruise speed.  On two good engines the pilots throttle back to avoid exceeding design cruise speed.  The higher density at low altitude results in more drag, but it also makes the engines capable of producing more thrust to overcome the drag.  If that isn't enough excess power to get the speed you want you can always pick up more speed descending from higher altitudes.

In order to get the planes certified by the FAA the manufacturer must demonstrate the design is free of structural flutter all the way out to design dive speed which is substantially in excess of the design cruise speed.  The engineers have to demonstrate by analysis that agrees with test data that the airplane is free of structural flutter out to at least 15% higher speed than design dive speed.  

Thus the speed attributed to the aircraft that hit the towers is within the aerodynamic and structural limits of the aircraft design.  The aircraft were being operated outside the design envelope for normal flight with customers on board, but they were within the capability of the aircraft as demonstrated to the FAA for certification.  

That's not to say that anyone in their right mind would want to demonstrate the capability on an ordinary day, but they weren't in their right minds anyway.

Answer 2

They're saying it was not able to fly as fast as it was flying?

Look at the videos.  Does it look like it was able to, or not?

Answer 3

a plane can go just as fast at 700ft or 30,000 feet.  The terrorist got us, and now peeps like me go over there and get them.  Nuthin more to it than that.  Tired of the black helicopter people sayin it was a hoax, we did it ourselves.  I just got back from Afghanastan (again) if they wanna go with me the next time i'd b glad to drop them off in the Hindu Kush, then they can shout about hoax and the such all day long till Hadji kills them.....HA!!!!!!!

Answer 4

It's always going to be troublesome for you if you keep watching those idiotic youtube videos.

Answer 5

Some people speak just so they can hear themselves talk.

It was pretty apparent what happened.

I suppose after the next great terrorist born attack there will be some other jerks saying that it really didn't happen.

Answer 6

If a plane can't go as fast as it was at 700 ft altitude without breaking up, how do military aircraft break the sound barrier at low altitudes? (YouTube has video of a F-14 doing a flyby next to a carrier, you can see the sonic waves breaking as it goes by, at less than 700 ft.)

Answer 7

9/11 happened 7 years ago.

It has been called real, and a hoax, ever since then. No one seems to settle one way or another.

But ultimately, it happened 7 years ago, so who cares?