. Railway and locomotive engineering : a practical journal of railway motive power and rolling stock . assing cotton locomotives I found using coal,while they had a thin fire, for the firstforty or fifty miles, burning perhapsthree tons of coal in that distance, youcould run very nicely with both dam-pers down, and for 100 miles, or untilthe fire began to get dirty, then youcould run with the front damper upand the back damper down. In goingover the division, 162 miles, an 18 inchcylinder ten-wheel engine would burnabout seven tons of coal. We changed the engines into oilburners
. Railway and locomotive engineering : a practical journal of railway motive power and rolling stock . assing cotton locomotives I found using coal,while they had a thin fire, for the firstforty or fifty miles, burning perhapsthree tons of coal in that distance, youcould run very nicely with both dam-pers down, and for 100 miles, or untilthe fire began to get dirty, then youcould run with the front damper upand the back damper down. In goingover the division, 162 miles, an 18 inchcylinder ten-wheel engine would burnabout seven tons of coal. We changed the engines into oilburners with an ashpan that is not anashpan, but an arch with four air open-ings four inches square, no course, we got no dirty fires with oiland the engines we thought would dobetter by giving them more air. Wcincreased the air openings to six inchessquare and they didnt do so we tried reducing the air supplyand we are now operating the sameengines with one opening in the arch,which is made of brick, for an ashpanfour inches square, and the enginessteam very free without any smoke at. Rj). i Loeu, OF BALDWIN FOUR-CVLINDER BALANCED COMPOUND SHOWING CRANK AXLE. the dampers closed than it does whenthey are open, it is consuming fuel tothe best advantage. It has struck me in all this discus-sion about the openings in the ashpansthat the supply of air is, as a rule, quitebeyond what is necessary, and that itwould often be an advantage to run with air through the side of the sheets, andthe fire boxes were peculiarly free fromside sheet leakage. Mr. Mord Roberts said: My opinion isfrom the use of oil in locomotives, thatthey do not require very much open-ing in our ashpans. We are now oper-ating locomotives that were burning all except when they clean the flues,and that is only soot, and after aboutthree or four exhausts of the engineafter the sand is introduced into thefire box there is absolutely no that I am inclined to believe thatif we will in our
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