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Why do some planes have high wings?
High wings require strong structure to keep them from crushing the passenger space, in a crash, which is extra weight and complexity. High wings make fuel tank access and engine access difficult. But high wings protect the engines, and that allows high wing airplanes to operate in rough conditions.
What is the high wing?
High wing: mounted on the upper fuselage. When contrasted to the shoulder wing, applies to a wing mounted on a projection (such as the cabin roof) above the top of the main fuselage.
Why don t all planes have winglets?
So why don’t all airplanes have winglets? The airflow around winglets is complicated, so designing them is tricky. It’s easier to improve an airplane’s lift-to-drag ratio by simply making the wing longer, though this can lead to other problems, such as fitting into gates.
How does high wing affect stability?
In a high wing aircraft the center of lift is above the center of gravity. This will not increase stability when the aircraft banks, however, as you rightly say, will help once the aircraft is in a sideslip.
Why does Boeing 777 have no winglets?
Why does the 777 not have winglets? One reason that the 777 does not feature such wingtip extensions is the operational limits these would place on the aircraft. The 777-200LR and -300ER variants of the aircraft have a wingspan of 64.8 meters. This only just falls below the upper limit for the ICAO’s aerodrome code E.
What are the advantages of high wing aircraft?
High wing aircraft offer the advantage of excellent downward visibility, which is useful during landing practice and ground reference maneuver training. By contrast, low wing aircraft offer a less restricted upward and forward visibility, which helps to simplify traffic scans.
Why are jet engines mounted on the high wing?
Ground clearance (and debris protection), specifically in multi-engine aircraft, is going to be greater when engines are mounted on a high wing rather than a low wing. This is true of both propeller and jet engines, although propellers tend to have a larger radius for a given aircraft size.
Why don’t high wing planes experience ground effect when landing?
The high wing aircraft will still experience ground effect, but because the wing is several feet farther from the runway, the total effect on the aircraft is greatly reduced, as ground effect decreases exponentially with difference from the runway surface.
How does wing location affect the performance of aircraft?
The low wing aircraft in contrast will exhibit stall characteristics in pitch that provide less warning to the pilot of impending stall. Finally, aircraft performance in takeoff, cruise and landing may all be affected by wing location.