Part I. A brief account is given, of a method in general use, of installing propeller shafting and setting an engine bedplate to align the crankshaft with propeller shafting. This is followed by a discussion of the events which led to the need for modification of the above procedure and goes on to describe a simple technique which enables alignment to be checked during

    Construction

    Installation on board ship

    In service under loaded and light ship conditions.

    Alignment readings obtained during the above stages are given together with readings taken during the investigation of service difficulties in which malalignment has been suspected.

    Part 2. The results are given of calculations made by the staff of the British Shipbuilding Research Association of the variation in the loading of the shaft bearings in a 17,000 tons d.w. Diesel-engined tanker, with wear-down of the stern bush. The significance of the results are discussed with regard to such factors as the effect of propeller forces, the allowable wear-down of the stern bush and the possibility of lateral vibration of the shafting occurring in service. It is concluded that the aim in design should be to provide sufficient flexibility so that the bearing loads on the after plummer blocks do not change appreciably with wear down of the stern bush.


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    Titel :

    Marine shafting alignment1


    Beteiligte:
    Yellowley, G. (Autor:in) / Richards, J.E. (Autor:in)

    Erschienen in:

    Erscheinungsdatum :

    1955-06-01


    Format / Umfang :

    17 pages




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Schlagwörter :


    Marine shafting alignment

    Yellowley, G. / Richards, J.E. | Engineering Index Backfile | 1954


    Marine shafting alignment

    Yellowley, G. / Richards, J.E. | Engineering Index Backfile | 1954


    Marine shafting alignment

    Yellowley, G. / Richards, J.E. | Engineering Index Backfile | 1954


    Marine shafting alignment

    Yellowley, G. / Richards, J.E. | Engineering Index Backfile | 1954


    Propulsion shafting alignment

    Donaghy, A. A. | TIBKAT | 1990