. American engineer and railroad journal . n has very long winters, with GENERAL DATA. Gauge 4 ft. BX in. Service Pushing Fuel Bit. Co»l Tractive effort 73,900 lbs. Weight in working order 327,500 lbs. Weight on drivers :;27, iO Weight of engine and tender in working order lbs. Wheel base, driving ]0 ft. 10 in Wheel base, total 30 ft. 8 in. Wheel base, engine and tender 64 ft. 4 in. RATIOS. Weight on drivers -r- tractive effort Totalweight -5- tractive effort Tractive effort x diani. drivers -3- heating surface .*....?? Total heating surface -~ grate ai ea Firebox h
. American engineer and railroad journal . n has very long winters, with GENERAL DATA. Gauge 4 ft. BX in. Service Pushing Fuel Bit. Co»l Tractive effort 73,900 lbs. Weight in working order 327,500 lbs. Weight on drivers :;27, iO Weight of engine and tender in working order lbs. Wheel base, driving ]0 ft. 10 in Wheel base, total 30 ft. 8 in. Wheel base, engine and tender 64 ft. 4 in. RATIOS. Weight on drivers -r- tractive effort Totalweight -5- tractive effort Tractive effort x diani. drivers -3- heating surface .*....?? Total heating surface -~ grate ai ea Firebox heating surface -f- total heating surface, per cent Weight on drivers -r total heating surface Total weight -s- total heating surface i) Volume equiv. simple cylinders Total heating surface ~ vol. equiv. cylinders Grate area -5- vol. equiv. cylinders CYLINDERS. Kind Mellin Compound Diameter 20JS and 33 in. Stroke 32 in. VALVES. Kind, H P 10 in. Piston Kind, L P Allen-Porter Slide Greatest travel H. P 6 MALLET ARTICULATED COMPOUND LOCOMOTIVE—DENVER, NORTHWESTERN & PACIFIC RY. very heavy snows, and the line is kept open only by the continu-ous use of rotaries. The plows have heretofore been pushed by as many as fiveconsolidation locomotives, and because of the large number ofengines, which makes it difficult to control the starting and stop-ping as quickly as is desired, it is believed that the Mallet, capableas it is of exerting a very large tractive effort at slow speedand with its non-slipping ability, will prove to be a great suc-cess in this service. The design in general follows very closely that used on thefirst locomotive of this type built in this country for an Amer-ican railway, i. e., the Baltimore & Ohio 0-6-6-0 type. Thereare, however, a number of small differences; as will be noticedby comparing the list of dimensions below with those used onthe B. & O. locomotive, which were given in the table of dimen-sions published in the
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectrailroadengineering
