this post was submitted on 23 May 2025
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[–] leftzero@lemmynsfw.com 51 points 1 day ago* (last edited 1 day ago) (3 children)

It's not pressure under the wings, it's fucking Bernoulli sucking on top of them.

(So, yes, sure, it is gay, but it's not fake.)

[–] thespcicifcocean@lemmy.world 2 points 19 hours ago

Actually, I studied aviation in university. It's literally just magic.

[–] redhorsejacket@lemmy.world 39 points 1 day ago (1 children)

When you nut, but Bernoulli keep sucking...

"goofy plane"

[–] mojofrododojo@lemmy.world 9 points 1 day ago

I'm 100% convinced this was never a battle of airframes and manufacturers and simply was down to: "No, sir/ma'am, I will not fly the derpy plane into combat. Can't do it. YOU DON'T UNDERSTAND THE REST OF THE PILOTS WILL LAUGH AT ME"

[–] Salamand@lemmy.today 4 points 1 day ago (3 children)

But then how can they fly upside down?

[–] Rin@lemm.ee 2 points 15 hours ago

A fighter jet is basically a fancy dart, and darts dgaf about gravity

[–] leftzero@lemmynsfw.com 5 points 22 hours ago (1 children)

Flaps. (As in, the hinged bits at the back edge of the wings, that essentially change the shape of the wing as required, not by flapping the wings; that'd be an ornithopter, as in Dune, not a plane.)

[–] Salamand@lemmy.today 1 points 13 hours ago (1 children)

But... right-side-up, the plane fights gravity, has upward lift, according to Bernoulli principle. And even if we angle the flaps to decrease altitude, it's still not dropping like a rock, the wings still generate lots of upward lift.

400 ton plane, wings w 400 ton lift = flight

Now (before engaging flaps) those same wings upside down would be generating downward "lift" PLUS pull of gravity. So now the 400 ton plane is like an 800 ton plane. Can the flaps alone lift that? Or, said another way, if we gave the plane flat wings, no Bernoulli, and stacked another plane on top of it (to make 800 tons), could it fly right-side-up just using flaps?

[–] ExtraPartsLeft@lemmy.world 1 points 11 minutes ago

I'm not a geologist, but I think the planes that typically fly upside down, are significantly lighter than 400 tons.

[–] Psythik@lemm.ee 4 points 1 day ago

Because air doesn't give a fuck about gravity