. American engineer and railroad journal . f^ys y. z-Z /• > j B- -o-n n rr rSrg r -C n . V FIG. 7 SCCTIOM X-X fected by the character of the exhaust, in connection with nar-row fire boxes worked to maximum capacity the spark losses in-crease to 20 per cent. The character of coal has a great deal todo with the amount of sparks produced, a light and friable coalgiving the greatest percentage of sparks. The Pennsylvania Railroad tests show from 4 per cent, to 25per cent, of coal fired accounted for as sparks and cinders. TheAmerican engines tested show the lowest ratios when comparedwi
. American engineer and railroad journal . f^ys y. z-Z /• > j B- -o-n n rr rSrg r -C n . V FIG. 7 SCCTIOM X-X fected by the character of the exhaust, in connection with nar-row fire boxes worked to maximum capacity the spark losses in-crease to 20 per cent. The character of coal has a great deal todo with the amount of sparks produced, a light and friable coalgiving the greatest percentage of sparks. The Pennsylvania Railroad tests show from 4 per cent, to 25per cent, of coal fired accounted for as sparks and cinders. TheAmerican engines tested show the lowest ratios when comparedwith the foreign engines tested at St. Louis. The compoundengine spark losses are away below those obtained from singleexpansion engines for total sparks thrown and caught. Wm. Garstangs paper presented at the Western Railway Clubon Tests of Coal for Locomotive gives results obtained fromfive kinds of coal; three tests are reported for each coal. Theratios of sparks to coal burned varies from 5 per cent, to 23per cent., and strange to relate, the
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectrailroadengineering
