At the request of the Bureau of Aeronautics, Navy Department, the National Advisory Committee for Aeronautics at Langley Field is investigating the get-away characteristics of an N-9H, a DT-2, and an F-5l, as representing, respectively, a single float, a double float, and a boat type of seaplane. This report covers the investigation conducted on the N-9H. The results show that a single float seaplane trims aft in taking off. Until a planing condition is reached the angle of attack is about 15 degrees and is only slightly affected by controls. When planing it seeks a lower angle, but is controllable through a widening range, until at the take-off it is possible to obtain angles of 8 degrees to 15 degrees with corresponding speeds of 53 to 41 M. P. H. or about 40 per cent of the speed range. The point of greatest resistance occurs at about the highest angle of a pontoon planing angle of 9 1/2 degrees and at a water speed of 24 M. P. H.


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    Titel :

    Characteristics of a Single Float Seaplane During Take-off


    Beteiligte:
    Crowley, J W , Jr (Autor:in) / Ronan, K M (Autor:in)

    Erscheinungsdatum :

    01.01.1925


    Medientyp :

    Sonstige


    Format :

    Keine Angabe


    Sprache :

    Englisch



    Characteristics of a single float seaplane during take-off

    Crowley, Jr., J.W. / Ronan, K.M. | Engineering Index Backfile | 1925


    Characteristics of a twin-float seaplane during take-off

    Crowley, John W , Jr / Ronan, K M | NTRS | 1927


    Characteristics of a twin-float type seaplane during take-off

    Crowley, J. W. / Ronan, K. M. | TIBKAT | 1926


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