So, I was watching a video explaining how wings generate lift(both explanations), but I still can't figure out how a plane can fly upside down. Bernoulli's principle doesn't explain it, and they say that the newtonian one does, but it doesn't either. Here are my thought's:
First, the newtonian explanation states that lift is generated because of the equal and opposite reaction of the airflow against the wing. This is because a wing is designed to deflect air down(coanda effect), hence pushing the airplane up
But here's the problem with this; if the plane, in level flight, deflects air downwards because of the coanda effect, then, when it is upside down, it should deflect the air in the same relative direction of the plane(down), hence deflecting it upwards, pushing the plane down
So again, how do planes fly upside down?
I know this may be a stupid question which all of you know the answer to(because it's late here and I'm procrastinating), but it's really bothering me and I can't do my hw because of it
I mean it’s pretty simple. It’s not like the wings disappear, they just generate LESS lift. That’s why an aircraft will handle weirdly upside down
Do you even lift bro?
@randomusername Thanks! I think I got it now
The Wing Actually Still Making Lift When Upside Down, But Since The Lift Only Goes Down The Plane Gonna Be Pushed Down, If You Already See How AI Dogfight In SP Then You Will Se That They Sometimes Tends To Do Upside Down Flying, Its Harder To Pitch When Upside Down Than Doing It The Normal Way, That Mean It Still Creating Lift Downward
The wing is probably at an angle, causing air to be pushed down, thus creating lift.
@DarDragon oh, cool! (Yeah I suppose that’s not really coincidental)
@Thelegitpilot13 Ohhh What a coincidence!(I say coincidence like we're not on an airplane game website) I want to be an aerospace engineer too! Especially since my country just recently offered aerospace engineering in one of it's universities
@DarDragon no problem! Knowledge is the best gift anyone can give, and it just so happens I want to be an aerospace engineer, so I happen to know a lot about physics of flight.
to be honest i think its the back flap wings that provided the life to it doesnt fall yet i highly doubt that ill look up some ideas of different people and figures
@Minecraftpower @Thelegitpilot13 Ohhh. I didn't really consider that planes flying upside down(for long periods of time) don't necessarily fly perfectly level. Thanks!
1st thing that came up when I googled it and it seems to make sense. clicky
I’m not sure myself, but I have a theory. I believe it’s mainly in the power plant pulling it up, rather than the lift pulling it up. Another part of it is the angle of attack. If the plane were facing upwards, it lessens the effect of lift pulling it down, but if a plane were to fly level upside down, it would lose altitude, but less than it would in free fall, due to the drag of the airframe.