. American engineer and railroad journal . ^ri ff air brake cylinders are placed with the rods vertical, under the Heating surface, total .......................................... sq. ft boiler and immediately back of the first pair of drivers; the Grate area sq. ft. brake shoes are back of the driving wheels, giving an upward jj^ivers. number . Eight thrust to the frames. This is a rather important detail to Drivers, diameter 54 in. ... -J ,1 ii i- • • • I, 1 Drivers, material of centers Cast steel which considerable attention is now given in very heavy loco- Truck wheels, diameter
. American engineer and railroad journal . ^ri ff air brake cylinders are placed with the rods vertical, under the Heating surface, total .......................................... sq. ft boiler and immediately back of the first pair of drivers; the Grate area sq. ft. brake shoes are back of the driving wheels, giving an upward jj^ivers. number . Eight thrust to the frames. This is a rather important detail to Drivers, diameter 54 in. ... -J ,1 ii i- • • • I, 1 Drivers, material of centers Cast steel which considerable attention is now given in very heavy loco- Truck wheels, diameter 30 in. motives. The bracing of the guide yoke is worthy of notice. ^JJJlnlls truck^ ^^I^... 5% in ^t 12 iS It is supported from the rear bv brackets formed by turning up Main crank pin, size 6% in. by ev- in, ,..,., . .. , . ,. ,. Main coupling pin, size 7% in. bv 5 in. the ends of the top bars of the main frames at the splice, from Main pin, diameter wheel fit .7% in. NovLMBER, 1899. AMERICAN ENGINEER AND RAILROAD JOURNAL. 365. Twelve-Wheel Freight Locomotive, D., L. & W. Ry.—Sections Showing Form of the Wide Firebox. Cylinders. Cylinders, diameter 21 in. Cylinders, stroke 32 In. Piston rod diameter 4Vi in. Main rod, length center to center 98 in. Steam ports, length 25 in. Steam ports, width 2A in. Exhaust ports, least area 110 sq. in. Bridge, width 3Vi in. Valves. Valves, kind of Improved Piston Valves, greatest travel 6>4 In. Valves, steam lap (inside) 1 in. Valves, exhaust lap or clearance (outside) Line and Line Lead In full gear 1/16 in. negative
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectrailroadengineering
