Illustrated description of single seater powered by 90-hp Pobjoy Niagara; with 8 1/2 gal fuel and pilot on board, gyroplane weighs 900 lb; feature of rotor is new principle of control which reduces pitch as blade flaps up and changes pitch from negative to positive for take-off after blades have been spun by motor. (See also Aeroplane v 52 n 1343 Feb 17 1937 p 197-8; Flight v 31 n 1469 Feb 18 1937 p 160-2; Engineering v 143 n 3724 May 28 1937 p 600-2 supp plate)


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    Title :

    Hafner gyroplane


    Additional title:

    Nat Advisory Committee Aeronautics -- Aircraft Cir



    Publication date :

    1937


    Size :

    5 pages


    Remarks:

    2 Supp sheets


    Type of media :

    Report


    Type of material :

    Print


    Language :

    English


    Keywords :


    Hafner gyroplane

    Engineering Index Backfile | 1937


    Hafner gyroplane

    Engineering Index Backfile | 1937


    Wilford gyroplane

    Daland, E. | Engineering Index Backfile | 1938


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