. American engineer . 4 miles, the grade is .5 per cent. .-\t present, trains are usually operated over this grade with one Malleiof the lightest class at the head and two of the heavier locomo-tives as helpers. With this power, the maximum train over themountain is 3,340 tons. This is approximately 500 tons less thanthe Mallet road engine can take over the remainder of ihedivision. .■\s the road is single track and the volume of traffic is constaiitly increasing, it is essential to increase the maximum throughtonnage and the locomotives here illustrated were developed to 9J16. -/09jr/74- AsY-
. American engineer . 4 miles, the grade is .5 per cent. .-\t present, trains are usually operated over this grade with one Malleiof the lightest class at the head and two of the heavier locomo-tives as helpers. With this power, the maximum train over themountain is 3,340 tons. This is approximately 500 tons less thanthe Mallet road engine can take over the remainder of ihedivision. .■\s the road is single track and the volume of traffic is constaiitly increasing, it is essential to increase the maximum throughtonnage and the locomotives here illustrated were developed to 9J16. -/09jr/74- AsY- -JI9x/S4i- ^fe Sections of Boiler Showing Shape c 4^0 «^o t^]^ ^^O tf^V) 04a a^ 1^ <^ t^i ^ « c »)& a o~*Oo 00c oQ* 0 c * o B/Ck 9400 o/o n *3^f^es !n Comb. Chamber Jubti Electric IVelded in Back Tube Beaded in Fronf Tube Sheef trheremarhed +. of the Water Legs and the Location of Superheater Flues. motives, covering a period of about five and a half jears. Duringthis time a progressive series of classes of this type has been de-veloped, each class being heavier and more powerful than thepreceding one. The three classes now in service include four ofthe 2-6-6-0 type with a maximum tractive effort of 70,800 of the same type have 92,000 lbs. maximum tractive effort accomplish tliis without increasing tlie number of locomotiveson each train. They will take the place of the Mallets now usedas helpers which will be put into road service. With two ofthese locomotives as helpers and one of the class having 92,000lbs. tractive efifort at the hea
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectrailroa, bookyear1912
