The recent interest in two-stroke engines for automotive use has produced powerplants of such divergence that as yet, no clear outlook on a likely design is evident. The only common similarity between all the published engines is direct fuel injection. Whilst this is undoubtedly necessary, the effects of exhaust and scavenging systems play a significant role in the overall performance of the engine.This paper initially describes a valve mechanism providing infinitely variable control of the exhaust port opening point, together with the ability to effectively close the exhaust port at the end of the scavenge period. Such a valve has been tested in a single cylinder, 400 cc loop scavenged engine giving encouraging results.The concept of a rotary inlet valve, situated in the cylinder head is also discussed with a view to achieving uniflow scavenging.


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    Titel :

    TWO Stroke Engines - The Lotus Approach


    Weitere Titelangaben:

    Sae Technical Papers


    Beteiligte:

    Kongress:

    International Congress & Exposition ; 1992



    Erscheinungsdatum :

    01.02.1992




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




    Two-stroke engines - The Lotus approach

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