Questions tagged [flaps]
Surfaces that extend from the wings to increase lift, allowing flight at slower speeds (such as for takeoff and landing).
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What drives the mechanical challenges which make trailing-edge flaps an (almost) ubiquitous solution vs leading-edge flaps?
(Apologies for the mouthful of a title.)
I was thinking about canard aircraft and how trailing edge flaps (TEF) are actually counterproductive for them. Leading edge flaps (LEF) could theoretically ...
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Is it pragmatic to use slats and flaps to maintain position of center of lift?
I am coming to this with an amateur understanding of CL, Cp and their contribution to the overall lift of a wing, so bear with me :)
I have been wondering for some time about whether you could design ...
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Split flap variant
Reading about this Q&As, how would a split flap behave if it acted like a solid, with no real split, but a thick trailing edge?
Mostly wondering what happens between a) and c) and influence of ...
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Split Flaps and lift?
Do split flaps produce lift? I don't see how, because there is no change in camber.
It seems like an upside down speed break, producing only drag
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Does more lift cause a plane to stall at a lower airspeed?
Does more lift cause a wing to stall later? (By more lift I mean a bigger wing) I was looking and saw this question, but the answers didn’t really address why more lift will help a plane not stall.
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Thoughts on Idea - AP Disengage, Land Flap Selection
When AP disengages the aircraft goes into a slight roll or the possibility exists for the aircraft to go into a degree of roll.
Do you think it would be prudent for airlines to include as an SOP for ...
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Visually see flap settings from passenger window behind wing
I've flown on a lot of Airbus and seen a lot of trip reports on YT and wonder if you can visually see the different flap settings (if you are seated at a window behind the wing), for example Up, Flap ...
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Why such a small Krueger flap on 777-300?
Why is there such a small Krueger flap just inboard of the engine pylon on the Boeing 777-300, when the rest of the wing (including the further-inboard section of the wing) has leading edge slats?
I ...
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what is the cross section of an elevator and trailing edge flap?
Is the cross section of both a Trailing edge flap and elevator an aerofoil please or, like i've shwon in in image below? I tried to find a side view of an elevator and TE deflected to see this for ...
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Is there a known problem with the Airbus A340, fuel, flaps/slats and temperature?
From the press I read that the German minister of foreign affairs stranded with an Airbus A340 in Abu Dhabi, because the flaps or slats would not correctly retract.
To return to the airport they had ...
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What would the effect be of flap deployment on a UAV such as the Reaper or Predator?
I've read answers that said that the climb performance is usually worse with flaps extended, and the pilots would, if they could, just retract them and get into a clean config as soon as possible. ...
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How come deflected flaps cause a nose-up pitching moment in high-wing aircrafts and a nose-down pitching moment in low-wing aircraft?
I imagine that the increased downwash due to the new camber of a high-wing aircraft causes a down-force on the horizontal stabilizer which in turn causes a nose-up pitching moment. However, I read ...
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Role of Spoilers in Conjunction with Flaps A350
Upon observing the Airbus A350, I have noticed that both the outboard and a few of the inboard spoilers are deployed maybe three quarters of an inch when the flaps are fully extended. I assume this is ...
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How does a trailing edge flap move on an Airbus A320?
Airbus flaps move in flight direction [link]
I don't exactly understand how that works, do they move just 180 degrees (opposite direction) of the flight path or is it something else? And doesn't ...
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Disadvantages of the Fowler trailing edge flap?
I get that the trailing edge plain flap has disadvantages (like tendency to separate flow as I read on a question on here)
But what’s so bad with the fowler flap? Aren’t they like really efficient and ...