Una aeronave que comprende un plano principal (4) con puntas (7) reviradas hacia abajo, caracterizada por que un plano adicional (10) está montado en un lugar exterior de cada ala de dicho plano principal (4) y está posicionado a popa con respecto a la respectiva punta citada (7), estando montado cada plano adicional citado (10) en un aguilón (9) que se extiende desde el plano principal (4) en la región de la raíz de la respectiva punta citada (7).

    An aircraft, particularly a solar powered, high altitude, long endurance, unmanned aerial vehicle, is equipped with a combination of canted down, raked back wing tips 7 and trailing "tip tails" 10 carried on booms 9 from the tip regions of the mainplane 4. Each tip tail is positioned to be subject to the upwash field of the respective wing tip vortex, at least in the cruise condition of the aircraft. The wing tip form can achieve a reduction in induced drag and help to relieve wing root bending moment while the tip tails can act through their connections to the mainplane to provide torsional relief to the latter, particularly under lower incidence/higher speed conditions. In the higher incidence/lower speed cruise condition, however, the presence of the tip tails in the upwash fields of the wing tip vortices means that they can generate lift with a component in the forward direction of flight and hence contribute to the thrust requirements of the aircraft.


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    Title :

    Aeronave


    Contributors:

    Publication date :

    2018-06-06


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Spanish


    Classification :

    IPC:    B64C AEROPLANES , Flugzeuge



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