File:American engineer (1912) (14574810457).jpg

Identifier: americanengineer861newy (find matches)
Title: American engineer
Year: 1912 (1910s)
Authors:
Subjects: Railroad engineering Engineering Railroads Railroad cars
Publisher: New York, N.Y. : Simmons-Boardman Pub. Co
Contributing Library: Carnegie Library of Pittsburgh
Digitizing Sponsor: Lyrasis Members and Sloan Foundation

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length of the car. The center sill in the underframe is formed of a pair of 8 in.,16 li 11). channels, set 14 in. apart with flanges projecting out-ward, continuous fur the full length of the car and have a cover tween the center sill chaimels arc also largely cut away in theweb for lightness and to permit the passage of air, as will beexplained later. The bolsters are of similar construction, butsomewhat deeper and include a casting between the center sillsinstead of tlie pressed steel stifFeners used in other cases. Thearrangement of the p£esscd steel knee, stiffening the connectionto the sid<lustration. The outside of the car below the windows is sheathed with 1/16in. .\merican ingot iron plate secured and stififcned by a pressedsteel belt rail and other pressed steel members arranged asshown in the illustrations, .\bove the window sills the steelframing forms the sheathing as well. The roof is also formed to the side framing a ijesscdai the bolster, is clearly shown in the il-
Text Appearing After Image:
Showing the Extent to Which Pressed Steel Shapes are Used in the Framing of tlie .Al!-3teel Suburban Cars. plate for the full length on the top only. The cross bear-ers are of 3/16 in. pressed steel in the form of dished sectionsfitting between the longitudinal sills and one is placed at eachof the posts, or there are eight between the bolsters. Tie platespass above and below the center sill and for about two-thirds ofthe distance to the side sills on either side, to which the flanges•of the dished section are riveted. The second cross bearer in-side the bolsters is double and from its connection to the sidesill there are pressed steel braces extending diagonally on bothsides to the connection of the adjacent cross bearers with the•center sill, where they are secured by gusset plates in the cor-ners. The webs of all the cross bearers are largely cut awayto permit the passage of conduits and piping. The sections be- of 1/16 in. ingot iron sheets about 2 ft. 8 in. wide and continuou

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