. Automotive industries . larsconcerning American and British2 practice in clutchdesign, (6) compare the advantages and disadvantages ofvarious types of clutches and (c) give some notes on thetheory of design without attempting a comprehensivetreatment of the numerous factors involved in this descriptive portion deals almost entirely with clutchesused on passenger cars and trucks, but some of the clutchesdescribed are applicable to other automotive uses. Thenotes on the theory of design apply in general to all auto-motive clutches. The clutches considered can be dividedinto the four
. Automotive industries . larsconcerning American and British2 practice in clutchdesign, (6) compare the advantages and disadvantages ofvarious types of clutches and (c) give some notes on thetheory of design without attempting a comprehensivetreatment of the numerous factors involved in this descriptive portion deals almost entirely with clutchesused on passenger cars and trucks, but some of the clutchesdescribed are applicable to other automotive uses. Thenotes on the theory of design apply in general to all auto-motive clutches. The clutches considered can be dividedinto the four general classes of cone, single plate, multi-ple disk and shoe or band types. The Cone Type The cone type was used almost exclusively for manyyears for both passenger cars and trucks. It still is usedvery widely by Continental European and British builders,and has a considerable number of advocates in this coun-try. It is simple in construction and can be made lightenough to be brought quickly to rest when changing gear,. itch with dashpot Humber cktch at least in moderate capacities. In certain forms it isnot expensive to manufacture and is fairly reliable; but,for a variety of reasons, it has steadily lost ground inthis country and is used to-day by less than 8 per centof car and 6 per cent of truck builders. In England over60 per cent of car chassis and nearly 80 per cent of truckchassis still have cone clutches. It should be borne inmind that nearly all British builders make their ownclutches, and that the average torque transmitted is muchlower than it is in this country because British enginesare smaller and, in the average case, of rather higherspeed than American engines. Preference for the conetype in Europe is ascribed by some to simplicity .and lowercost of production when the quantity is small. There aresome who say that the cone type is ideal when properlyconstructed, and one British writer3 contends that if thesame ingenuity had been expended on the cone type as
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectaeronautics, bookyear
