Effect of ground proximity gave normally expected losses in lift at zero and very low forward speeds; at higher forward speeds ground effects were favorable; at low forward speeds, out of ground effect, model encountered large losses in lift and large nose-up pitching moments with model at low angles of attack and jet deflected 90° or 75° (angles required for VTOL performance and very low forward speeds).


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    Titel :

    Investigation of interference of deflected jet with free stream and ground on aerodynamic characteristics of semispan delta-wing VTOL model


    Weitere Titelangaben:

    NASA -- Tech Notes


    Beteiligte:


    Erscheinungsdatum :

    1961


    Format / Umfang :

    93 pages


    Medientyp :

    Report


    Format :

    Print


    Sprache :

    Englisch


    Schlagwörter :