. American engineer and railroad journal . arger engineseven if the service demanded it. For branch passenger workand light suburban service the small engine answers everypurpose, and will be maintained for that class of service. Thegreat disadvantage of the small engine of to-day is its lowboiler pressure, and the small engine of the future will be onewhich is capable of carrying 160 to 180 or more pounds ofsteam. That there are two many small engines to-day therecan be no question. Many of them will be replaced by largeengines, and a few will be rebuilt with boilers capable ofcarrying high p
. American engineer and railroad journal . arger engineseven if the service demanded it. For branch passenger workand light suburban service the small engine answers everypurpose, and will be maintained for that class of service. Thegreat disadvantage of the small engine of to-day is its lowboiler pressure, and the small engine of the future will be onewhich is capable of carrying 160 to 180 or more pounds ofsteam. That there are two many small engines to-day therecan be no question. Many of them will be replaced by largeengines, and a few will be rebuilt with boilers capable ofcarrying high pressure. In conclusion, the size of an engine depends upon the ser-vice required of it, and for certain classes of work the smallengine is just as much in demand to-day as it was 20 yearsago. TESTS ON THE CHICAGO STORAGE BATTERY RAIL-ROAD. It is well known that the & Chicago ElectricSteel Railway has operated 20 cars on its lines using the stor-age battery, and at the beginning of this winter it was decided Water 434^4 ( Mean 56 Boiler Drauqht Nun if ash-seoibi. lime 3pm, 4 Fig. 1—Boiler Test. to test the plant in order to determine the presence and extentof defects which might otherwise exist without attracting at-tention. The tests were made under ordinary working con-ditions and represent the conditions of usual practice. Theywere carried out by Mr. George A. Damon, assisted by Prof. T. P. Gaylord and a coi-ps of students from the Armour are indebted to Mr. G. Herbert Condict and to the WesternElectrician for the data and diagrams. The boiler plant includes three Heine water-tube boilers ratedat 200 boiler horse-power each, fitted with Roney mechanicalstokers. The engines are triple expansion, condensing, of theWillans central-valve type made by the M. C. Bullock Manu-facturing Company, of Chicago. The plant at present containstwo of these engines, each of which has two lines of tandem _,lfacuum in- -^ Inches J Speed Me(ln-365pm■£«ncij.
Size: 1975px × 1266px
Photo credit: © Reading Room 2020 / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1800, bookdecade1890, booksubjectrailroadengineering
