A braided composite spar or preform for a braided composite spar, comprising a plurality of tubular plies of braided fibres, wherein the spar or preform extends lengthwise from a root to a tip, and the spar or preform has a tapered portion in which each ply has a height which reduces and a width which increases as it extends toward the tip. The spar or preform can be used to provide a tubular main spar for a winglet. The winglet also has a front spar with a front spar web, an upper front spar cap, and a lower front spar cap. An upper skin of the winglet is joined to the braided spar and the upper front spar cap. A lower skin of the winglet is joined to the braided spar and the lower front spar cap.


    Access

    Download


    Export, share and cite



    Title :

    BRAIDED COMPOSITE SPAR


    Contributors:
    FONG TONY (author) / AXFORD TIMOTHY (author)

    Publication date :

    2016-03-17


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B64C AEROPLANES , Flugzeuge / B29C Formen oder Verbinden von Kunststoffen , SHAPING OR JOINING OF PLASTICS / B64F GROUND OR AIRCRAFT-CARRIER-DECK INSTALLATIONS SPECIALLY ADAPTED FOR USE IN CONNECTION WITH AIRCRAFT , Boden- oder Flugzeugträgerdeckeinrichtungen besonders ausgebildet für die Verwendung in Verbindung mit Luftfahrzeugen



    BRAIDED COMPOSITE SPAR

    FONG TONY / AXFORD TIMOTHY | European Patent Office | 2017

    Free access

    BRAIDED COMPOSITE SPAR

    FONG TONY / AXFORD TIMOTHY | European Patent Office | 2015

    Free access

    BRAIDED COMPOSITE SPAR

    FONG TONY / AXFORD TIMOTHY | European Patent Office | 2015

    Free access

    Braided composite spar

    FONG TONY / AXFORD TIMOTHY | European Patent Office | 2015

    Free access

    BRAIDED COMPOSITE SPAR

    FONG TONY / AXFORD TIMOTHY | European Patent Office | 2016

    Free access