. Railway and locomotive engineering : a practical journal of railway motive power and rolling stock . scribes the locomotive booster whichcauses the trailing wheels to act as drivingwheels in starting the train and to getit over the hard pulls on the road. Forthe past ten years or more locomotive de-signers have been striving for indrawbar pull. Their efforts have inthe load per pair of drivers and iber of driving wheels until •limit that track and bridge struct]bear has been closely approached. Instarling and at slow speeds every locomo-tive built has greater boiler capacity thanit can utili
. Railway and locomotive engineering : a practical journal of railway motive power and rolling stock . scribes the locomotive booster whichcauses the trailing wheels to act as drivingwheels in starting the train and to getit over the hard pulls on the road. Forthe past ten years or more locomotive de-signers have been striving for indrawbar pull. Their efforts have inthe load per pair of drivers and iber of driving wheels until •limit that track and bridge struct]bear has been closely approached. Instarling and at slow speeds every locomo-tive built has greater boiler capacity thanit can utilize. While, of course, in ads and larger units mean greatertractive effort, the limiting factor, the rnl-ing grade, determines the load a locomo-tive can haul over the division. To obtain maximum practical effectivesmotive and offset the Ilimit imposed by the ruling gradi problems. A water plug located at thefoot of a momentum grade necessitatescutting loose and running for for signal or other cause on ahill may necessitate backing down to getstarted again. Loss of time in starting. rWO-CYUNDER GEARED TO THE TRAI1 IK AM 1 disrupts train schedules and often resultsin loss of train rights with consequentovertime, as well as increased operating Locomotives as ordinarily built todayarc hauling around a large percentage ofweight that is useless except to permit ofmaking the boiler larger. To permit 31S RAILWAY AND LOCOMOTIVE ENGINEERING November, 1920 rould utilize a greaterpercentage of the available draw-bar pullover the entire division and yet have suf-ficient power available for the critical where the tonnage is reduced to 2,100 tons,;t reduction of per cent. In makingthis test it was decided to endeavor tobring 2,582 tons through to Weehawken. run two miles for water, back up to thetrain and make a run down-grade to getsufficient momentum to carry over the up-grade. The profile of the road at this ALS£M CATS/f/LL » *TH£A/S
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectrailroa, bookyear1901
