A spar (102) for an airfoil (100) comprises a core (104), e.g. a foam core, a central structural member (105) extending through the core (104), an outer structural layer (106) surrounding the core (104) and central structural member (105) and a plurality of yarns (166,168) extending through the central structural member (105).


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    Title :

    REINFORCED PROPELLER BLADE AND SPAR


    Additional title:

    VERSTÄRKTES PROPELLERBLATT UND HOLM
    PALE D'HÉLICE ET LONGERON RENFORCÉS


    Contributors:
    AMAT PASCAL (author)

    Publication date :

    2020-02-26


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B64C AEROPLANES , Flugzeuge



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