. Railway age . ied by the distancethe scoop Is In the water. Curve 2 shows theaciual amount of water taken out of the trough by measurementbefore and after scooping. No. 3 shows the amount actually put Intothe engine tank. No. 4 shows the depth of water above the tip ofthe scoop for each of the tests, which explains the irregularities ofthe curves. No. 5 shows the amount of water taken up by the scoopin percentage of the theoretical amount. No. « shows the amountof water taken up by the scoop in percentage of the amount actuallytaken out of the trough. No. 7 shows the gallons of water deliver
. Railway age . ied by the distancethe scoop Is In the water. Curve 2 shows theaciual amount of water taken out of the trough by measurementbefore and after scooping. No. 3 shows the amount actually put Intothe engine tank. No. 4 shows the depth of water above the tip ofthe scoop for each of the tests, which explains the irregularities ofthe curves. No. 5 shows the amount of water taken up by the scoopin percentage of the theoretical amount. No. « shows the amountof water taken up by the scoop in percentage of the amount actuallytaken out of the trough. No. 7 shows the gallons of water deliveredper inch of dip of scoop. Of the above diagrams. No. tj is the most Interesting as it showsthat the amount of water actually wasted is about 15 per a scoop in adjustment and running at a speed of 40 to 45 is evident from this diagram that speeds below 25 and above waste a good deal of water. This is more Important to the maintenance of way department than to the motive power depart-. Fig. 2—Graphic Results of Water Scoop Tests on the Lake Shore & Michigan Southern. 338 THE RAILROAD GAZETTE. Vol. No. 11. nii-nt, Bh Is Hhown liy curve No. 7, from which It is evlileiit thaian engine will get nearly as much water at 25 an It will at50 All of this reduced to dollarg and cents means that Iftraln« are run at proper Hpei-ilg for BcooplnR, the bllla for waterwill be 10 to 21) per <eni. Ichh than If they try to scoop at BpeedHbelow 25 or above GO Klg. 3 Khown the outllneH of the scoopsused In these tests. Next to the problem of water supply, that of dialnai;e Is mostImportant. The larse amount of water wanted keips the groundunder the troughs continually Koakcd. Therefore, unless the sub-grade for a considerable depth Is compOHed of material that willdrain Itself quickly and thoroughly, arllllcial means to thin endmust be piovlded. This has always been one of the hardestobstacles to overcome. The track would ride todly eve
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Keywords: ., bookcentury1800, bookdecade1870, bookidrailwayage44, bookyear1870
