. American engineer . k- 4S H k. s7- a J I auxiliary, when expedient1 ] to do so. It w-ill be notedthat the storage track islocated in the heavy ma-chine-tool bay parallel tothe main or track service,so that in the case of thedesirability of tiering theflue cars, to economizespace, as shown in Fig. crane can be utilized,but it is obvious that de-pendance on the crane for the simple purpose of storage manipulation will not entail any delay in the tube operations. The overhead type of flue cleaner mentioned above is shown in Fig. 3. The capacity of this machine is 500 2-in. tubes up to 24
. American engineer . k- 4S H k. s7- a J I auxiliary, when expedient1 ] to do so. It w-ill be notedthat the storage track islocated in the heavy ma-chine-tool bay parallel tothe main or track service,so that in the case of thedesirability of tiering theflue cars, to economizespace, as shown in Fig. crane can be utilized,but it is obvious that de-pendance on the crane for the simple purpose of storage manipulation will not entail any delay in the tube operations. The overhead type of flue cleaner mentioned above is shown in Fig. 3. The capacity of this machine is 500 2-in. tubes up to 24 ft. long. This machine raises and lowers the tubes in the Fig. 5—Details of a Flue Car Arrangedfor Tiering; Canadian Fig. 6—IMethod of Tiering Flue Cars on Storage Tracks, Each CarHolds One Complete Set of Tubes. pit by its own power and may be loaded and started in less thaneight minutes and unloaded in the same length of time. It willclean 500 tubes in the same time that the ordinary tube rattleror tumbler-barrel will take to clean one load of approximately120 tubes and with mucli less consumption of power. It consists 350 AAlERiCAN ENGINEER. V^OL. 86, No. 7. of an overlu-ad, structural steel, framework of heavy construc-tion, supported by four columns. Four steel sprocket wheels,provided with suitable driving gear, are mounted on this andwide face, case-hardened driving chains pass over them andunder a steel idler pulley, and form two loops or slings of equallength, which extend in the pit beneath the framework andsupport the tubes. Ry driving the sprockets, the chains cause the
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectrailroa, bookyear1912
