. American engineer and railroad journal . angles of the side sills. In addi-tion the floor plate is supported and stiffened by a 5-in., extending lengthwise and about halfway between thecenter and side sills. Nailing strips, 2^x2% ins., are boltedto the floor plate by %-in. bolts. The four sills are securelytied transversely by pressed steel diaphragms ^ in. diaphragms are reinforced at the top by ^xG-in. steelplates extending the full width of the car, and are stiffenedand tied at the bottom by ^xe-in. plates 5 ft. 11 ins. long,which pass through openings cut in th
. American engineer and railroad journal . angles of the side sills. In addi-tion the floor plate is supported and stiffened by a 5-in., extending lengthwise and about halfway between thecenter and side sills. Nailing strips, 2^x2% ins., are boltedto the floor plate by %-in. bolts. The four sills are securelytied transversely by pressed steel diaphragms ^ in. diaphragms are reinforced at the top by ^xG-in. steelplates extending the full width of the car, and are stiffenedand tied at the bottom by ^xe-in. plates 5 ft. 11 ins. long,which pass through openings cut in the webs of the centersills and are riveted to the lower edges of the body bolster is formed of two pressed steel diaphragms % in. thick, with the flanges turned outward, and spaced 3 ins. back to back. These diaphragms are riveted to thecenter and side sills, and each set is tied at the bottom sim-ilar to the cross ties, except that the plates widen to 8 they are riveted to the center sills. The entire bolster. END FRAMING OF POSTAL CAR. is covered with a %-in. plate 4 ft. 3 ins. wide by 8 ft. 11 , which is riveted to the tops of the diaphragms and tothe center and side sills by %-in. rivets. The center platesare of cast steel, and the side bearings are of hardened steelplate riveted to the bottom flange of the 7-in. channel extend-
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectrailroadengineering
