. Railway age . getting a fairly accurate figure. The results of the trials of thetwo 29-in. troughs show that the trough without lips is the moreefficient from 32 to 48 , while at all other speeds the troughwith lips is better. In comparing the lU-in. trough with the re-sults of the 29-in. one with lips, the latter is the better up 10 , while at all higher speeds the 19-in. one gives better re-sults, as will be seen from the efficiency curve, Fig. 4. From this it would seem to be good practice to Install a with lips on freight tracks, where the average runningspeed
. Railway age . getting a fairly accurate figure. The results of the trials of thetwo 29-in. troughs show that the trough without lips is the moreefficient from 32 to 48 , while at all other speeds the troughwith lips is better. In comparing the lU-in. trough with the re-sults of the 29-in. one with lips, the latter is the better up 10 , while at all higher speeds the 19-in. one gives better re-sults, as will be seen from the efficiency curve, Fig. 4. From this it would seem to be good practice to Install a with lips on freight tracks, where the average runningspeed would be less than 30 This would be so from amotive power standpoint considering only the amount of waterdelivered to tender, but taking maintenance into account this wouldnot do, as a larger quantity of water is thrown on the right-of-way,thus offsetting any gain due to larger tank fulls. The speed for greatest economy was found to be 40 ,which makes the minimum splash with a correspondingly large. Per Cent, of To fa/ Hfafer 4—Water to Tender Efficiency.
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Keywords: ., bookcentury1800, bookdecade1870, bookidrailwayage44, bookyear1870
