Anonymous
Anonymous asked in Cars & TransportationAircraft · 1 decade ago

Explain.How does 'high wing advantage' affect performance of an aircraft?

The 'buffallo' is considered good for short takeoffs and short runways.How exactly does the positioning of its wings contribute to this factor?

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  • 1 decade ago
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    Generally speaking, STOL aircraft have high mounted

    wings. In the case of aircraft like Buffalo, the tail is also high mounted allowing steep approaches while landing and a steeper attitude while taking off. One of the prime advantages of high wings is the inherent stability which is inbuilt in this design, due to the fuselage being slung underneath and with a tendency to roll back to level flight. Higher wings also allow bigger diameter propellers to be used without the hazards of Foreign Object Damage or the propellers touching the ground while landing on uneven surfaces. Higher wings also allow the pilots greater visibility to scan the terrain during takeoffs and landings. Another advantage of high wings is that they reduce the chances of a wing touching the ground in case of a hard landing while approaching in cross wind conditions. Larger area flaps can be extended and deployed with high wings and ground turbulence does not effect the ailerons to the extent it would in low mounted wings.

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  • 4 years ago

    Sweeping the wings forward makes the aircraft extremely unstable. However, this has actually been done in experimental military aircraft, because it greatly increases maneuverability. An aircraft like this requires high-speed computer control of the aircraft; the pilot cannot fly it directly, because he cannot react quickly enough to the instability of the wings. A computer can do it, and with the proper fly-by-wire interface, a very high-performance aircraft can be built. Check out the Grumman X-29 for an example.

  • Anonymous
    1 decade ago

    High wings are slightly more efficient since the area on top of the fuselage between the wings effectively adds to the wing area (most lift is produced by the top of the wings, not the bottom).

    Also since high wing aircraft have better roll stability, the dihedral angle doesn't have to be as high, allowing more effective production of lift for the weight of the wing.

    Large flaps can be installed with low risk of damage from ground debris.

    Low wings do take better advantage of ground effect.

  • 1 decade ago

    Aerodynamically the only advantage of a high wing is more stability.

    But short runways usually are unpaved grass or dirt runways. Having a high wing configuration ensures that less grass or mud( can be blown away and stick to the wings) is restricting and vectoring around airflow. Also if the wings are higher up there is less chance of damage from stones etc. High wing aircraft also provide greater visibility than monoplanes.

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  • Otto
    Lv 7
    1 decade ago

    High wings are used primarily on cargo aircraft. They allow a larger area that can hold payload. They also suffer less damage from FOD (Foreign Object Debris) because they are further from the source of such materials.The STOL effect you are mentioning is obtained by the specific design of the wing , flap and slat on the aircraft.

  • Anonymous
    1 decade ago

    It doesnt

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