The author outlines in a general way the relation of car performance to modern engine development. He considers particularly weight reduction and torque performance of high-speed engines, giving the undesirable characteristics attending the increased torque range gained by higher speed.He next discusses the relation of torque to total car weight, to acceleration and to hill-climbing ability and suggests a method of determining the value of a car in terms of its performance ability.The author holds incorrect those systems in which the amount of lubrication is in proportion to speed only; and in which oil for crankshaft and crankpin bearings must cool as well as lubricate them. He shows a system designed to solve these oiling problems.Static, running and distortion balance of a rotating mass are defined by the author, who shows how they apply to a large number of types of crankshafts. The paper not only deals with the counterbalancing problem as regards the crankshaft itself, but also with the centrifugal effects of the connecting-rod and piston parts. In conclusion a discussion is given of what are correct counterbalancing masses for service conditions.


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    Title :

    PROBLEMS IN HIGH-SPEED ENGINE DESIGN


    Additional title:

    Sae Technical Papers


    Contributors:

    Conference:

    Pre-1964 SAE Technical Papers ; 1906



    Publication date :

    1916-01-01




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




    Problems in development of high-speed engine

    Sparrow, S.W. | Engineering Index Backfile | 1935


    Problems in the Development of a High-Speed Engine

    Sparrow, Stanwood W. | SAE Technical Papers | 1935