Wings Flashcards
The ends of the wings are the?
Wingtips
The shape of the wing viewed from above is called the?
Planform
The distance from one wingtip to the other is called?
Wingspan
Chord line stays the same in length along the span on _______, but mostly varies in _______
rectangular Wings
different planforms
Dihedral is the?
Dihedral is the upward angle of the wings from the wing root to the tip of the wing
Dihedral wings help airplanes be _______
more laterally stable so they don’t have to be adjusted as much in case of rolls. Dihedral wings are found on almost every aircraft
Wingtips lower than the roots are called?
Anhedral, giving higher roll rates
What type of swept wings are there and how does each function?
There are slightly swept wings, moderately swept, and sharply swept. Slightly swept provides higher performance for slow aircraft to increase lift. Moderately swept gets the best of both worlds. Sharply swept, like fighter Jets, provide high performance at higher speeds for less drag.
I’m terms of bracing and support, wings fall into one of two major categories:
Cantilever or semi-canti lever
A cantilever wing _______
gets its support from its internal components like spars, ribs, and stringers, as well as the skin covering.
A semi-cantilever wing _______
gets additional support from external struts attached to the fuselage.
Flush definition:
completely level or even with another surface.
so as to be level or even.
so as to be directly centered; squarely.
fill in (a joint) level with a surface.
Where the wing joins the fuselage is the?
Wing root
Cursing flight:
Constant speed, neither climbing nor diving
During cruising flight, flaps are usually _______
Flush with the wings
When a surface is curved, we say it has _______
camber
In general, low to medium speed airplanes have more what in their airfoil than high speed airplanes?
Thickness and camber
The distance from the leading edge of the wing to the trailing edge is called?
Chord
Different planforms have different _______
uses, characteristics, advantages and disadvantages.
An airplane’s speed, maneuverability, and handling qualities are very dependent on _______
the shape of the wings
There are 3 basic planforms used in modern aircraft:
Straight, sweepback, and delta
Straight wings are mostly found on?
small, low-speed airplanes, as well as gliders and sailplanes.
Straight wings give the most efficient _______
lift at low speeds, but are not very efficient for high-speed flight, especially when reaching the speed of sound
A sharply swept wing delays the _______
formation of shock waves when it nears the speed of sound
A commercial jetliner has how much sweep?
Moderate sweep to decrease drag at high speeds and have stability and low speeds
The sweep design of a wing depends on the _______
design purpose of the airplane
High-speed airplanes like fighter planes have wings with greater sweep, which makes them_______
generate less lift at low speeds and require relatively faster take-offs and landings.