Mercury Marine has extended the Verado family by offering 3 new power ratings to the existing 4 ratings currently available. Mercury added a 4-cylinder version of its successful 6-cylinder Verado engine line. In this paper, development and manufacturing strategies of the new 4-cylinder engine and its engineering results are discussed. The introduction of the supercharged inline 6-cylinder engine in 2004 was the start for a new engine platform, which is now continued with the launch of the supercharged inline 4-cylinder engine and will be expanded with additional engines in the future. All these engines are based off the same conceptual layout of the base engine, all the structural components and rotating shafts are specific for the different engine families, but designed on a common concept which saved significant development time and costs. This strategy made it possible to develop the new supercharged 4-cylinder in only 24 months. Open-loop cooling system, vertical crankshaft, dry sump lubrication system (with oil cooler), 100% aluminum cylinder head, block, bedplate as well as structural components are all features incorporated in Mercury's latest outboard engine. Air supply system, cooling system and lubrication system are described. The commonality concept is discussed in detail. The casting process and quality process and control are outlined. Engine vibration, propeller rattle, shift stall, logstrike are discussed.


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    Titel :

    Mercury's new supercharged 4 cylinder engine: Executing a platform strategy


    Weitere Titelangaben:

    Mercurys neuer aufgeladener 4-Zylinder-Motor: Umsetzung einer Plattformstrategie


    Beteiligte:
    Balogh, Daniel (Autor:in) / Alyanak, Edward (Autor:in) / Fuoss, Klaus (Autor:in) / Bruestle, Claus (Autor:in)


    Erscheinungsdatum :

    2005


    Format / Umfang :

    24 Seiten, 22 Bilder, 1 Tabelle, 3 Quellen


    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




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