. Railway mechanical engineer . Boiler of the Western Maryland Consolidation Walschaert valve motion is used and the gears are controlledby the Pittsburgh power reverse mechanism. The equipmentincludes automatically operated drifting valves designed bythe railway company. The links are carried on longitudinalsupports of cast steel, which are bolted in front of the guide shoes and wedges are used, the latter being of the self-adjusting type. The driving axles and engine truck axleare of heat treated steel, and flanged tires are used on allthe wheels. Both front and back drivers have flange oile
. Railway mechanical engineer . Boiler of the Western Maryland Consolidation Walschaert valve motion is used and the gears are controlledby the Pittsburgh power reverse mechanism. The equipmentincludes automatically operated drifting valves designed bythe railway company. The links are carried on longitudinalsupports of cast steel, which are bolted in front of the guide shoes and wedges are used, the latter being of the self-adjusting type. The driving axles and engine truck axleare of heat treated steel, and flanged tires are used on allthe wheels. Both front and back drivers have flange truck is of the Economy constant resistance tvpe and 422 RAILWAY MECHANICAL ENGINEER Vol. 95, No. 7 is equalized with the first and second pairs of driving beams are placed over the boxes on the third andfourth pairs of drivers and are connected on each side ofthe locomotive with three inverted leaf springs which areplaced below the upper frame rail. Limited clearance space. Breather Pipes for Use In Tunnels Are a Novel Feature of theCab Equipment under the firebox did not permit placing the springs over theboxes of the two rear pairs of wheels. The cab is unusually roomy and comfortable with all fit-tings placed within convenient reach of the crew. The in-jectors and steam turret are placed outside the cab and haveextension handles identified by small aluminum plates with raised letters. The equipment includes a breather pipe forproviding fresh air while passing through tunnels. Thisarrangement consists of a Y* in. pipe placed across theboiler back head and having five Y in. globe valves equallyspaced, each fitted with 3 ft. of Y in. hose. The air sup-ply is drawn from the brake system. An interesting detail is the arrangement of the hand railcolumns, which are in the form of clamps, so that the handrail can be readily taken down without removing the col-umns. The headlight dynamo is placed on the right handside of the boiler, ahead of the cab, and the w
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectrailroadengineering
