. American engineer . ■^r^^m -39f- ^ i^ jg s, n-Kji—J,. 2Sz- Frame Brace Just Back of Cylinders. — M stiffened by plates connected with proper ties to the belly of theboiler. These plates are secured at the lower ends to the steelframe braces. The arrangement of the equalizing system and spring riggingcalls for no special comment except for the equalizer betweenthe rear driver and the trailer truck. The design was, revised toplace the bearings of all three pins in the same horizontal plane,thus eliminating the offset which tends to twist the -82- ->|i<- Frames for 4-6-2 Type
. American engineer . ■^r^^m -39f- ^ i^ jg s, n-Kji—J,. 2Sz- Frame Brace Just Back of Cylinders. — M stiffened by plates connected with proper ties to the belly of theboiler. These plates are secured at the lower ends to the steelframe braces. The arrangement of the equalizing system and spring riggingcalls for no special comment except for the equalizer betweenthe rear driver and the trailer truck. The design was, revised toplace the bearings of all three pins in the same horizontal plane,thus eliminating the offset which tends to twist the -82- ->|i<- Frames for 4-6-2 Type Balanced Compound. The Offset at the Main Pedestal Is Indirectly Due to the Cranked Axle. and is bolted to the cylinder castings. This tie also serves as asupport for the driving brake cylinders. The main frame sec-tions are provided with three cast steel braces. One is locatedjust back of the front drivers with a bearing 37 in. in length ontop of the frame. The same casting extends to the full depthof the pedestals to which it is securely bolted, additional metalbeing provided in the pedestals to include this bolting withoutweakening the frames. This brace also supports the back endof the inside guides. A wide and deep casting is located between .other of the small details revised for the benefit of the newengines is the trailer truck oil cellar. In this the lower portionof the cover casting and the cellar are cast in one piece. Thiseliminates joints in the cellar which permit oil to leak out. Wagon top boilers with two steam do
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectrailroa, bookyear1912
