Locomotive boiler construction; a practical treatise for boilermakers, boiler users and inspectors .. . Y The Derry-Collard Co, Figure ig6Long and short throat stays. CROWN SHEET. Tht Derry CoUard C: Figure 197Stay for back heads. 2TR Stay rods. In Fig. 196 we have a series of long and short throatstays. They are staggered and riveted into the fronttube sheet. A ring R is forged on the end of the rod orelse the rod is upset to this amount. It is entered into thedrilled hole on the tube sheet and is riveted over againstthe countersink as indicated. The holes for the foot Fare scribed from the b
Locomotive boiler construction; a practical treatise for boilermakers, boiler users and inspectors .. . Y The Derry-Collard Co, Figure ig6Long and short throat stays. CROWN SHEET. Tht Derry CoUard C: Figure 197Stay for back heads. 2TR Stay rods. In Fig. 196 we have a series of long and short throatstays. They are staggered and riveted into the fronttube sheet. A ring R is forged on the end of the rod orelse the rod is upset to this amount. It is entered into thedrilled hole on the tube sheet and is riveted over againstthe countersink as indicated. The holes for the foot Fare scribed from the boiler and then drilled to suit thesemarks. Fig. 197 shows a style of stay bolt that is used forstaying the back head to the back fire box sheet. It isscrewed in as a regular stay bolt and then the nuts screwedup against copper washers, both in the fire box and theoutside. Stay Rods. The Wootten boiler, Plate I, shows several stay rodssimilar in construction to Fig. 198. R is the stay rodproper and F is the foot. These rods are welded to-gether at W, in lengths from ten to twelve inches. Theyare then pieced out to suit the required distance for thevarious boilers. The foot
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Keywords: ., bookcentury1900, bookdecade1910, bookidlocomotivebo, bookyear1912
