. Railway mechanical engineer . f>00 80O lOOO I200 too I600 1800 2000Dynamometer Horsepotven Fig. 8—Steam Consumption per Dynamometer Horsepower. Hour of No 89. Not onlv is greater power possible, but the ad-vantage of a shortercut-off is available over a greater rangewhen^the diameter of the superheater locomotive cylinder isincreased above the limitations established Ijy the use of satur-ated 20OO 3000 4O0O SOOO 0000 7O0O Dry Coal Fired Per Hour. Pounds. 3000 9000 Locomotive No ^ J Class ■ f-r:. Steam oer rou:. li 3Z,/1J 89E6s 38,028 5075F. Fig. 10—Relation of Dynamometer
. Railway mechanical engineer . f>00 80O lOOO I200 too I600 1800 2000Dynamometer Horsepotven Fig. 8—Steam Consumption per Dynamometer Horsepower. Hour of No 89. Not onlv is greater power possible, but the ad-vantage of a shortercut-off is available over a greater rangewhen^the diameter of the superheater locomotive cylinder isincreased above the limitations established Ijy the use of satur-ated 20OO 3000 4O0O SOOO 0000 7O0O Dry Coal Fired Per Hour. Pounds. 3000 9000 Locomotive No ^ J Class ■ f-r:. Steam oer rou:. li 3Z,/1J 89E6s 38,028 5075F. Fig. 10—Relation of Dynamometer Horsepower to the Rate of Firing ciencv ranged Ijetween 59.,i and per cent, Ix-ing higherfor locomotive No. 51 than for No. 89. The thermal effici-encv ranged between , and per cent, being higher for I -^ f^
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