Since propeller efficiency becomes less as tip speed approaches sonic velocity and, to increasing extent as flying speed is higher, it is customary to keep tip speed from exceeding 0.85 and 0.95 times sound velocity; formulas given for induced efficiency. (See also Luftfahrtforschung v 15 n 7 July 6 1938 p 334-9; and English translation in Nat Advisory Committee Aeronautics -- Tech Memo n 884 Jan 1939 p 39-51, 3 supp plates)


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    Titel :

    Prospects of propeller drive for high flying speeds


    Weitere Titelangaben:

    Die Aussichten des Luftschaubenantriebes fuer hohe Fluggeschwindigkeiten


    Beteiligte:
    Bock, G. (Autor:in) / Nikodemus, R. (Autor:in)


    Erscheinungsdatum :

    1938


    Anmerkungen:

    Bibliography


    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Print


    Sprache :

    Deutsch


    Schlagwörter :


    Prospects of propeller drive for high flying speeds

    Bock, G. / Nikodemus, R. | Engineering Index Backfile | 1939


    Prospects of propeller drive for high flying speeds

    Bock, G. / Nikodemus, R. | Engineering Index Backfile | 1938


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