. American engineer and railroad journal . in the web of all the longitudinals,being cut to the shape and size shown in the side elevation ofthe car. The two center girders have two 6 x 4 x ^ in. anglestop and bottom, with a 16x1 in. top and bottom cover cover plates are carried continuous between bolsters at OcTOrER, 1911. AMERICAN ENGINEER AND RAILROAD JOURNAL 399 the top rail and nearly to the top of the iiicHiied section at thebottom. The side girders are the same witli the exception thata 4X4x4 in. angle is substituted for one of the 6x4x1/2 at the bottom and tlic co
. American engineer and railroad journal . in the web of all the longitudinals,being cut to the shape and size shown in the side elevation ofthe car. The two center girders have two 6 x 4 x ^ in. anglestop and bottom, with a 16x1 in. top and bottom cover cover plates are carried continuous between bolsters at OcTOrER, 1911. AMERICAN ENGINEER AND RAILROAD JOURNAL 399 the top rail and nearly to the top of the iiicHiied section at thebottom. The side girders are the same witli the exception thata 4X4x4 in. angle is substituted for one of the 6x4x1/2 at the bottom and tlic cover plate is but i2;4 in. wide onthe bottom. The iliaphragms are all /^ in. plate with 4x3 xf^in. angles and are located as shown in the illustration. At thebolster the construction cnnsisis of two ■ in. web plates formed in. cylinder. This will brake 85 per cent, of the light weight ofthe car with an 8 to i reduction. Kapiu Growth of Steel Cars.—According to authentic re-piirts there were in use in this country on December .31, 1910,. STEEL C.\R OF 205,000 LBS. C.\r.\CITV. to proper shape and spaced 6 in. apart and four 4 x 4 x .>^ with a H in. cover plate at the bottom and a ]4 ■ plateat the top. I-beam separators are framed vertically between theweb plates at the connection with the center sills and extraheavy angles are used for connecting the bolsters with the con-tinuous side sills. The end sill is formed of A in. plate with4x3xJ^ in. angles, as shown. A % in. plate covers the entiretop of the car, having countersunk rivets wherever necessary Special trucks with 11 in. journals have been designedfollowing the M. C. B. requirements in every particular. Thewheels are 33 in. in diameter, of rolled steel, and weigh approxi-mately 750 lbs. The total weight of the car is 53,000 lbs., andit is provided with Westinghouse type S. brake having a I2x 12 54,609 passenger cars of which 2,927, or per cent., were ofall-steel construction. Besides the latter th
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectrailroadengineering
