. Railway mechanical engineer . September, 1918 RAILWAY MECHANICAL ENGINEER 493 that between the center lines of the rear drivers and the trail-ing truck axle. The trailer frames are separate steel cast-ings, each of which is attached to one of the main frameswith fourteen lJ4-in. bolts, the joint being the same as that. Sections Through the Combustion Chamber and Firebox employed on the light Mikado type locomotives. At the rearend the trailer frames are bolted to the rear deck casting. The frame bracing of the two types is practically consists of vertical crossties bolted to the
. Railway mechanical engineer . September, 1918 RAILWAY MECHANICAL ENGINEER 493 that between the center lines of the rear drivers and the trail-ing truck axle. The trailer frames are separate steel cast-ings, each of which is attached to one of the main frameswith fourteen lJ4-in. bolts, the joint being the same as that. Sections Through the Combustion Chamber and Firebox employed on the light Mikado type locomotives. At the rearend the trailer frames are bolted to the rear deck casting. The frame bracing of the two types is practically consists of vertical crossties bolted to the front legs of the lower frame rails just back of the cylinders, and in whichis also included the radius bar pivot for the front enginetruck and the driver brake fulcrum. Cast steel drivingboxes of straightforward design, fitted with grease cellars, areused throughout. With the exception of those for the mainaxle, the boxes and axles are all interchangeable with thoseused on the light Mikado type locomotive, the journals being10 in. in diameter by 13 in. in length. The main journalsare 12 in. in diameter by 13 in. in length, or 1 in. largerin diameter than those of the lighter locomotive. The driv-ing wheels are fitted with brass hub liners. With the exception of the springs, which are heavier forthe heavy Mikado
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectrailroadengineering
