. American engineer . Arrangement of Barnum Stoker Troughs in Firebox. the latest design of this typet, wherein the saturated and super-heated steam headers are in separate castings bolted togetherin such a way as to allow a slight movement, permitting un-equal contraction and expansion. .\ssume that an efficiency of combustion is obtained on theselocomotives which will give an evaporation of 8 lbs. of waterper lb. of coal; to develop the maximum horse power of theengine with a steam consumption of 21 lbs. per horse powerhour will require over 7,200 lbs. of coal per hour. On thedistrict where
. American engineer . Arrangement of Barnum Stoker Troughs in Firebox. the latest design of this typet, wherein the saturated and super-heated steam headers are in separate castings bolted togetherin such a way as to allow a slight movement, permitting un-equal contraction and expansion. .\ssume that an efficiency of combustion is obtained on theselocomotives which will give an evaporation of 8 lbs. of waterper lb. of coal; to develop the maximum horse power of theengine with a steam consumption of 21 lbs. per horse powerhour will require over 7,200 lbs. of coal per hour. On thedistrict where these locomotives are to be used, viz., Beardstown. •s -^ \^- Straight Top Boiler With Combustion Chamber; Burlington 2-10-2 Type Locomotive. surface of 320 sq. ft., giving the boiler a total evaporative heat-ing surface of 5,161 sq. ft. .\ssuming a steam consumption of21 lbs. per indicated horsepower and the maximum horsepowergiven, it will be seen that the average evaporation per squarefoot of evaporative heating surface required will be about of water per hour, a figure below any of the others shownin the table with the exception of one. This clearly indicates thatthe boiler is of ample capacity. There are no features of particular interest in the construction division in Illinois, conditions are such that the maximum capac-ity will be required practically all of the time, and while there aresome firemen capable of handling this amount of fuel, the aver-age fireman cannot do so. It therefore seemed necessary ifthe capacity of the locomotive is to be utilized, to either providea stoker or to equip for burning oil. The form
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectrailroa, bookyear1912
