Locomotive boiler construction; a practical treatise for boilermakers, boiler users and inspectors .. . i of an inch less thanBfor calking. The fire door ring is resorted to, althoughnot as frequently as a few years ago. As very littlestrength is required in the sheet along the fire door, therivets can be placed in a single row and spaced close to-gether. The ring projects in the inside for a short dis-tance so as to furnish a calking edge. 256 Smoke box Figure 241-AArrangement of front end or smoke box. Smoke Box Details. It is next to impossible to get an even flow of gasesthrough
Locomotive boiler construction; a practical treatise for boilermakers, boiler users and inspectors .. . i of an inch less thanBfor calking. The fire door ring is resorted to, althoughnot as frequently as a few years ago. As very littlestrength is required in the sheet along the fire door, therivets can be placed in a single row and spaced close to-gether. The ring projects in the inside for a short dis-tance so as to furnish a calking edge. 256 Smoke box Figure 241-AArrangement of front end or smoke box. Smoke Box Details. It is next to impossible to get an even flow of gasesthrough all the tubes of a locomotive boiler and for thisreason all sorts of deflecting plates have been used. Theone which perhaps answers the purpose as well as any andwhich is very generally used is illustrated in Fig. is the stationary plate. It is made in two pieces whichare joined on the center line of the boiler. The work offitting these two pieces around the plates and along theside of the boiler is much reduced by having the sheetsin two pieces. The piece is slipped in place and then ascriber is run along the edge, thus marking oft a constantdistance for offsets and so on. 257 Netting for spark arresters. The sheet is then taken out and the metal is sheared,drilled, or punched away to this line, after which thesheet is replaced and will fit snugly to the side of theboiler. The other side is fitted up in the same is an angle iron which sup
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Keywords: ., bookcentury1900, bookdecade1910, bookidlocomotivebo, bookyear1912
