. Railway and locomotive engineering : a practical journal of railway motive power and rolling stock . channels; the tank has a water bot-tom and will hold 7,000 U. S. fuel capacity is 12 tons. The engineis a handsome machine, and when theoutput of the ten locomotive buildingshops since the inception of each is add-ed together, this engine is the forty thou-sandth locomotive built by the owningcompany. Some of the principal di-mensions arc as follows:Axles—Driving journalB, main, iixwVi ins.; oth-ers, 9!<jX]2 ins.; engine truck journals, diam-eter, dYi ins.; length, 12
. Railway and locomotive engineering : a practical journal of railway motive power and rolling stock . channels; the tank has a water bot-tom and will hold 7,000 U. S. fuel capacity is 12 tons. The engineis a handsome machine, and when theoutput of the ten locomotive buildingshops since the inception of each is add-ed together, this engine is the forty thou-sandth locomotive built by the owningcompany. Some of the principal di-mensions arc as follows:Axles—Driving journalB, main, iixwVi ins.; oth-ers, 9!<jX]2 ins.; engine truck journals, diam-eter, dYi ins.; length, 12 ins.; trailing truckjournals, diameter, 8 ins.; length, 14 ins.;tender truck journals, diameter, iVi ins.;length, 10 —Fuel, bituminous coal. Fire Box—Type, wide; length, 96 ins.; width,65j4 ins.; thickness of crown, H in.; tube,M in.; sides, H in.; back, \i in.; water space,front, 4^ ins.; sides, 4 ins.; back, 4 ins.;crown staying, —Diameter, 2 ins.; No. 11 B. W. Truck— swing center; W. ; trailing truck, radial type with out-side NORTHERN P,\CIFIC \IL\V.\Y FOUR CoMlijU .\ 1)W. Moir. Mechanical Superintendent • American Locomotive Builden the four cylinder balanced compound en-gine are: The approximately correctbalance of the reciprocating parts com-bined with the almost perfect balanceef the revolving weights and a. per-missible increase of weight on drivingwheels on account of the elimination ofthe hammer blow. In this engine anincrease of 11,000 lbs. on driving wheelsover that of the Northern Pacific sim-ple Pacific engines was possible on ac-count of the better balance. An in-crease in sustained horse power athigh speeds without modification ofthe boiler is also possible. Thebuilders state that from tests madeen the New York Centrals fourcylinder balanced compound 4-4-2 engine,it was shown that with indentically thesame size of boiler the compound en-gines developed from 20 to
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectrailroa, bookyear1901
