. The railroad and engineering journal . Fig. 279. break, these rings hold it on in its position, and thus preventan accident. Question 443. .Ire there any standard sizes for the inside diam-eters of tires ? Answer. Yes. To avoid the great inconvenience arisingfrom the diversity in the inside diameters of tires, the AmericanRailway Master Mechanics Association has recommendedstandard dimensions for the inside of tires and the outside ofdriving-wheel centers. These are given in the following table : Stand.\ri) Dimensions tuk Driving-Wheel Centers Question ? Answer. The hubs
. The railroad and engineering journal . Fig. 279. break, these rings hold it on in its position, and thus preventan accident. Question 443. .Ire there any standard sizes for the inside diam-eters of tires ? Answer. Yes. To avoid the great inconvenience arisingfrom the diversity in the inside diameters of tires, the AmericanRailway Master Mechanics Association has recommendedstandard dimensions for the inside of tires and the outside ofdriving-wheel centers. These are given in the following table : Stand.\ri) Dimensions tuk Driving-Wheel Centers Question ? Answer. The hubs are accurately bored out to receive theaxles, and the latter are turned oflf so as to fit the hole bored inthe wheel. The axles are then forced into the wheel by a powerful pressure produced either with a hydraulic or screwpress, made for the purpose. In order to prevent the strainupon the crank-pins from turning the wheels upon the axle. Fig.
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Keywords: ., bookcentury1800, bookdecade1880, bookidrailroadengi, bookyear1887
