An aircraft wing weight estimating method based on a component buildup technique is described. A simplified analytically derived beam model, modified by a regression analysis, is used to estimate the wing box weight, utilizing a data base of 50 actual airplane wing weights. Factors representing materials and methods of construction were derived and incorporated into the basic wing box equations. Weight penalties to the wing box for fuel, engines, landing gear, stores and fold or pivot are also included. Methods for estimating the weight of additional items (secondary structure, control surfaces) have the option of using details available at the design stage (i.e., wing box area, flap area) or default values based on actual aircraft from the data base.


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    Title :

    Aircraft Wing Weight Build-Up Methodology with Modification for Materials and Construction Techniques


    Contributors:
    P. York (author) / R. W. Labell (author)

    Publication date :

    1980


    Size :

    126 pages


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English





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