Analytical design and wind tunnel test evaluations covering the feasibility of applying wing tip extensions, winglets, and active control wing had alleviation to the model B747 are described. Aerodynamic improvement offered by wing tip extension and winglet individually, and the combined aerodynamic and weight improvements when wing load alleviation is combined with the tip extension or the winglet are evaluated. Results are presented in the form of incremental effects on weight mission range, fuel usage, cost, and airline operating economics.


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    Title :

    Selected advanced aerodynamics and active controls technology concepts development on a derivative B-747 aircraft


    Publication date :

    1983-06-01


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English