Results of tests indicate that dual rotating propellers were from 0 to 6% more efficient than single rotating ones, but when propellers operated in presence of wing, gain was reduced about one-half.


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    Titel :

    Wind-tunnel tests of four- and six-blade single- and dual-rotating tractor propellers


    Weitere Titelangaben:

    Nat Advisory Committee Aeronautics -- Report


    Beteiligte:
    Biermann, D. (Autor:in) / Hartman, E.P. (Autor:in)


    Erscheinungsdatum :

    1942


    Format / Umfang :

    29 pages


    Medientyp :

    Report


    Format :

    Print


    Sprache :

    Englisch


    Schlagwörter :



    Wind-tunnel tests of eight-blade single- and dual-rotating propellers in tractor position

    Biermann, D. / Gray, W.H. | Engineering Index Backfile | 1941


    Wind-tunnel tests of single- and dual-rotating tractor propellers of large blade width

    Biermann, David / Gray, W. H. / Maynard, Julian D. | TIBKAT | 1942



    Wind-tunnel tests of single and dual-rotating tractor propellers of large blade width

    Biermann, D. / Gray, W.H. / Maynard, J.D. | Engineering Index Backfile | 1942