. American engineer and railroad journal . ting surface and the grate area being 86 to 1, which is un-usually large. It is interesting to note that the correspondingratio for the 10-wheel passenger compounds for the Northern Pa-cific, described in our June number, is 81 to 1, and that for theMonon 8-wheel passenger engine, shown in our August number,is TO to 1. It is clear that the tendency toward larger heatingsurfaces is growing. A ratio of 106 to 1 is now in use, and while Thictness of material in boiler H-inch, 9 tS-inch and Vine Seams, horizontal quadruple butt, joint circumferential doub
. American engineer and railroad journal . ting surface and the grate area being 86 to 1, which is un-usually large. It is interesting to note that the correspondingratio for the 10-wheel passenger compounds for the Northern Pa-cific, described in our June number, is 81 to 1, and that for theMonon 8-wheel passenger engine, shown in our August number,is TO to 1. It is clear that the tendency toward larger heatingsurfaces is growing. A ratio of 106 to 1 is now in use, and while Thictness of material in boiler H-inch, 9 tS-inch and Vine Seams, horizontal quadruple butt, joint circumferential double Dome, diameter 30 inches Firebox, length 88 Inches width 42 depth, front 61H back 58 brick arch on tubes Thickness tube sheet Ji inch front, ft inch back side and back sheet 3s inch crown sheet H inch Crown sheet stayed with Player crown bar and stay. Grate bar cast-iron shaking Tubes, number 264 diameter 2 inches length 14 feet 10 inches ■ gauge No. 11 W. G. Heating surface, tubes square feet 830 AMERICAN ENGINEER, CAR BUILDER. Heating surface firebox J*?-5 total 2195 0 _• / Grate area ■*..««,. t OyliDder, diameter 19J| inches Piston stroke •*» (1 rod, diameier 3J4 packing Jerome metallic Valve Richardson Balanced Driving wheel, diameter 73 inches uck .St., inches riia., 10 inches long 6H inches dia , 10 inches long ., 6 inches long; 6!4 inches Journal driving axles, truck Main crank pin. {6 ^rfesVong. Back and front c ank pin o» finches 3>4 inches long Smokebox, diameter 03 inches • length 61 stack,smallest diameter 11)4 Exhaust nozzle Single Sand blast Houston
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectrailroadengineering
