. American engineer and railroad journal . 4 VtRY POWEKFUI. LOCOMOTIVE EQUIPPEI) WITH EMERSON reason for this renewed lease of life will be found principallyin the success of the high degree superheater which has so great-ly increased boiler capacity as to permit a boiler of suf-ficient capacity per unit of weight to be mounted on fourcoupled drivers without exceeding a safe axle load, and en-able the locomotive to deliver a very high ratio of its maximumtractive effort at moderately high speeds. In the Septemberissue, on page 346, will be found a discussion of the compara-t
. American engineer and railroad journal . 4 VtRY POWEKFUI. LOCOMOTIVE EQUIPPEI) WITH EMERSON reason for this renewed lease of life will be found principallyin the success of the high degree superheater which has so great-ly increased boiler capacity as to permit a boiler of suf-ficient capacity per unit of weight to be mounted on fourcoupled drivers without exceeding a safe axle load, and en-able the locomotive to deliver a very high ratio of its maximumtractive effort at moderately high speeds. In the Septemberissue, on page 346, will be found a discussion of the compara-tive merits of the consolidation and the Mikado type locomo-tive, wherein it is pointed out that while the maximum theo-retical tractive effort of the Mikado could be attained by theconsolidated type, it is the sustained high tractive effort at highspeed, which means boiler capacity, that is assured by the the locomotives illustrated herewith, a boiler 82 in. indiameter at the front ring and 89 in. maximum diameter, hav-ing 21 ft. flues
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectrailroadengineering
