. American engineer and railroad journal . , May, 190S, page 190. 202 AMERICAN ENGINEER AND RAILROAD JOURNAL In this connection I would like to ask if any trial has everbeen made in locomotive practice with a forced circulation suchas is sometimes used in marine practice by means of a hydro-kineter. M. M. To the Editor: Those who have examined the Jacobs-Shupert firebox and thosewho have formed conclusions regarding it by looking at illustra-tions, differ materially in their opinions. The former are unan- firebox. In addition to the usual location of a washout hole ateach corner of the mud rin
. American engineer and railroad journal . , May, 190S, page 190. 202 AMERICAN ENGINEER AND RAILROAD JOURNAL In this connection I would like to ask if any trial has everbeen made in locomotive practice with a forced circulation suchas is sometimes used in marine practice by means of a hydro-kineter. M. M. To the Editor: Those who have examined the Jacobs-Shupert firebox and thosewho have formed conclusions regarding it by looking at illustra-tions, differ materially in their opinions. The former are unan- firebox. In addition to the usual location of a washout hole ateach corner of the mud ring there is a washout hole in eachchannel section at the height of the crown sheet. Therefore, byproperly directing the nozzle of the washout hose any possibleaccumulation of mud and sludge can be washed from the crownsheet or a stream of water forced down each space formed bythe staysheets and the channel sections. The formation of the channel sections into a continuous smoothsurface win re attached to the mud ring prevents any pockets or. 2-10-2 TYPE LOCOMOTIVE WITH JACOBS-SHUPERT FREBOX. imous in endorsing it, while the latter offer numerous criticismsas to circulation, transmssion of heat to the water, formation ofscale on rivet heads, accumulation of clinkers, application ofmud ring, cost of construction, length of service, etc. Some ofyour correspondents are among the latter. It is evident that thestcriticisms are voiced by men who look upon this design of fire-box as a freak without appreciating its practical construction andthe clever manner in which it has been designed to meet serviceconditions. Since I have been in close touch with this boiler since its incep-tion and have had opportunities to study its design and construc-tion carefully I would like to attempt to answer some of thecriticisms offered by your correspondents. Considering the criticisms in detail, it is evident that those whohave not seen the actual firebox wonder how the curved surfacesof the corrugated
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectrailroadengineering
