FB removed this meme citing misinformation. I've been warned, again lol
(media.greatawakening.win)
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How far behind the leading edge does the primary structure begin? Asking for a friend
It's several feet inboard, and out board about a foot. Looks like it has gone just past it in the photo. Everything is tapered on a wing outboard is much lighter and thiner than the inboard stuff. Inboard has to carry the weight of two engines and all the fuel. Google up the strength of 7075 t- 6 aluminum it's damn near as hard as mild steal. I've drilled hundreds of thousands of holes in both, I don't need to look at a chart.
I know.
A wing is just a bunch of little boxes with ribbing in a hatch pattern. Those boxes are made out of strong aluminum, however, the steel that the building is made out of is "high strength steel," not "mild steel." From the paper I linked above:
They don't say specifically how strong the steel is, though they might in their actual analytical paper, which I didn't find (I didn't look that hard). It is "high strength steel," which is anywhere from about 6 to 15 times stronger than the strongest aluminum per volume. On the airplane, it doesn't matter how many boxes there are to give it structure. Once one crumples, the rest behind will follow, just like a martial artist breaking blocks. The separation between the blocks makes it easy after the first. The test then will be for any one individual box.
It's not "mild steel," it's not "rebar," its high strength tempered steel in a box column designed to hold up the, at the time, tallest skyscraper in the world.
So the relevant question is, how thick are each of the individual cross beams in the wing v. the thickness of the box column holding up a skyscraper?
The weight of the fuel, the number of boxes in the wing, all that other stuff is far less important because of the dynamics of impact and the narrow focus of the actual impact site. Fuel for example, will just move out of the way. It's not going to do shit.
Have you ever tried to punch through 10mm of hardened steel in a box design? Those bolts are even thicker. The failure mode will not be the bolts. You have to actually break the whole box. The lips that make it into an "H" on each side that are part of the attachment points actually make it even stronger in the direction of impact. You have to basically crumple both sides as well as both faces. Try to do it with aluminum. Just try. See how thick you have to make the aluminum. It will have to be 6 to 15 times thicker to even hold it's own, which is why the model created by the government proofers did exactly that, modeling the wing as if it were just one box with the collective thickness of all the wing boxes, which is ludicrous.
So have you ever actually touched the wing of a large aircraft, or changed out any structural components?
I've worked with aircraft grade aluminum and high strength steel (cut, drilled, welded, etc.). Do I need to work on actual airplanes to understand physics or engineering? (I have degrees in both.)
You didn't actually address a single point I made.
Also you can't just look at the strength of the aircraft, look at the building, that steel is all bolted together. The aircraft doesn't need to cut the beams it just needs to punch it out of the way.
Basicly you have a half million lbs of aircraft at 300 miles an hour vs. A few hundred bolts.
That's pretty easy math.
Way more complex. A straw in a hurrican punches holes in houses or disintegrates, depending. More than simple math.
I don't see those building stopping an aircraft, and it falling to the street below.
Thank you for both replies. I'm a mild nerd about aviation and air disasters. I was curious what you'd have to add.
Show us on the plane... where you were touched 😂
But how would you explain the perfect demolition where every floor was equally pulverized, even the top floors and having the building collapse directly on itself as opposed to failing at the parts where the fire was hottest?