. American engineer and railroad journal . hXr- FIG. l6.—BODY BOLSTER, DRAFT SILL AND END CONSTRUCTION OF THELAST LOT OF STEEL HOPPERS (N-IO AND N-IOA). as shown on Fig. 15, which also shows an application of tandemspring draft rigging. This draft rigging was applied to about500 of the N-9 hoppers. The twin spring rigging, or the sameas applied to the N-8, was applied to about 1,500 and frictiondraft gear to about The reinforcement, due to the splice,stiffened the sills so that even with the twin spring draft riggingthe trouble was considerably reduced, although the constructionwas stil
. American engineer and railroad journal . hXr- FIG. l6.—BODY BOLSTER, DRAFT SILL AND END CONSTRUCTION OF THELAST LOT OF STEEL HOPPERS (N-IO AND N-IOA). as shown on Fig. 15, which also shows an application of tandemspring draft rigging. This draft rigging was applied to about500 of the N-9 hoppers. The twin spring rigging, or the sameas applied to the N-8, was applied to about 1,500 and frictiondraft gear to about The reinforcement, due to the splice,stiffened the sills so that even with the twin spring draft riggingthe trouble was considerably reduced, although the constructionwas still not as strong as might be desired. The constructionon the latest hoppers, N-10 and N-ioa, which were built in 1906,is very much stronger ana it is expected that very little if any. FIG. IS.—END SILL AND DRAFT SILL CONSTRUCTION OF SECOND LOT OF HOPPER CARS (n-9), SHOWING APPLICATION OF SPRING , DRAFT GEAR. May, 1907. AMERICAN ENGINEER AND RAILROAD JOURNAL. 165
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectrailroadengineering
