. The railroad and engineering journal . coal car was Before starting fire with coal at San Juan del Rio thewater in the boiler was regulated to half glass and theheight of the water in the tank noted, the mean of bothtubes being recorded. When a water station was reachedthe height of water in the tender was noted both before andafter taking water. As the 1,000 lb. marks on tubes wereabout 2 in. apart, it was an easy matter to ascertainaccurately the quantity of water used between any givenpoints. The water lost through the overflow of the injec- 276 THE RAILROAD AND [June, 1891. tors (Sellers
. The railroad and engineering journal . coal car was Before starting fire with coal at San Juan del Rio thewater in the boiler was regulated to half glass and theheight of the water in the tank noted, the mean of bothtubes being recorded. When a water station was reachedthe height of water in the tender was noted both before andafter taking water. As the 1,000 lb. marks on tubes wereabout 2 in. apart, it was an easy matter to ascertainaccurately the quantity of water used between any givenpoints. The water lost through the overflow of the injec- 276 THE RAILROAD AND [June, 1891. tors (Sellers improved) was so inconsiderable it was nottaken account of. On the first trip this waste water wascaught and measured and found to be so little that no furthereffort was made to take it into account. The blow-off cocks few minutes apart show that no reliance can be placedupon this method of ascertaining the amount of work doneby a locomotive over a section of road, even when thegrades are quite uniform. Seeing the necessity for a more. Fig. ^. ENa 66. C^ .... v.,.. .. lit LP. ig fioiler Prclturc— iSOf(eval() Zoo Fi<i 5reMJL io.\... .. LP. lyt- !, . iP. iO fi«ilcf PreilUrC .- t50 Fig. 6 £NC. ,HP . izii. .. - I8i ■ 21 iBoll<:^Pr«lu•^ .. yfOF^ *0 I were used as sparingly as possible, and when used noaccount was taken of water thus thrown away. These engines were not favored in any way ; they laid^over at sidings to await other trains, and did more or lessswitching at various points each trip, the object being■to simply keep a record of coal and water used while en-gines were doing their regular duty in freight engineers were not interfered with, but allowed tohandle the engines as they had been accustomed to Indicator cards were taken from each engine merely toshow the action of the valve-gear, and not for the purposeof attempting to arrive at the work performed by the en-gine for the t
Size: 945px × 2645px
Photo credit: © Reading Room 2020 / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1800, bookdecade1880, booksubjectrailroa, bookyear1887
