. Locomotive engineering : a practical journal of railway motive power and rolling stock . have seen roundhousesthat embodied the best points of an idealerecting shop, namely, plenty of roomand light, and a favorable location withreference to all other shops of the are some advantages in the wayof drop pits and cranes, in their adapta-tion to a roundhouse, that are not usuallyobtainable in the regulation combinedmachine and erecting shop, unless in-stalled when built, and the latter is an ex-ception in the older plants. In the mat-ter of ventilation, the roundhouse is easilyand sat
. Locomotive engineering : a practical journal of railway motive power and rolling stock . have seen roundhousesthat embodied the best points of an idealerecting shop, namely, plenty of roomand light, and a favorable location withreference to all other shops of the are some advantages in the wayof drop pits and cranes, in their adapta-tion to a roundhouse, that are not usuallyobtainable in the regulation combinedmachine and erecting shop, unless in-stalled when built, and the latter is an ex-ception in the older plants. In the mat-ter of ventilation, the roundhouse is easilyand satisfactorily controlled by reason ofthe smoke jacks, and a comfortable tem-perature is always available when steam-heated. The car-erecting shop of theCanadian Pacific at Montreal, and thelocomotive-erecting shop of the Balti-more & Ohio at Norwalk, Ohio, are goodexamples of such shops for reference. If any railroad company is in want ofcompetent locomotive engineers, we couldsupply some good men. We are preparedto vouch for their efficiency. SCENES ON A COLORADO MOUNTAIN TRESTLE OX COLORADO MIDLAND, NEAR HAGERMAN TUNNEL. January, 1899. LOCOMOTIVE ENGINEEKING Locomotive Efficiency. (riiirii r,i/:,i-.] IIY C. A. SELEY. The engineer who undertakes the rede-signing of a back number locomotive willdo well t6 make a very thorough prelim-inary survey, covering grate and heatingsurface, actual weight in running condi-tion on each driver and the truck, sizes ofaxles, journals and pins and the generaldesign of the frames. A study of thesefigures together with the tractive powerwill give a basis upon which to form con-clusions as to what radical, and conse-quently expensive, changes may be neces-sary. For instance, if the amount ofweight available for adhesion and thegrate surface are not adequate, a newboiler will be necessary for best the percentage of traction (found liydividing the tractive power by the weighton drivers) is over .28, then additionalweight should
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectrailroa, bookyear1892
