. Railway and locomotive engineering : a practical journal of railway motive power and rolling stock . FIG. I. MODEL OF \R MOTOR DRIVEN. of the readers of R.\il\v.\v and Locomo-tive Engineering to the gearing whenfirst introduced to the railroad world bythe inventor, we have had numerous en-quiries for particular information as tothe progress that has been made, and theexact form in which it now appears It should be observed at the outset thatit does not follow that because someradical change has been made in some. FIG. V.\LVE CH.^MBER. mechanical detail that all preceding ap-pl
. Railway and locomotive engineering : a practical journal of railway motive power and rolling stock . FIG. I. MODEL OF \R MOTOR DRIVEN. of the readers of R.\il\v.\v and Locomo-tive Engineering to the gearing whenfirst introduced to the railroad world bythe inventor, we have had numerous en-quiries for particular information as tothe progress that has been made, and theexact form in which it now appears It should be observed at the outset thatit does not follow that because someradical change has been made in some. FIG. V.\LVE CH.^MBER. mechanical detail that all preceding ap-pliances for the same purpose should belooked upon as ineffective. The Ste-phenson valve gear did excellent serviceas long as the locomotives were what arenow called small in size, and the eccen-trics and their attachments could beconveniently reached. In the larger typesof locomotives the Walschaerts and othervalve gears are more serviceable becauseof being more easily applied and much part allows the power consumed in mov-ing heavier parts to be applied to thepurpose of moving the train. This, however, is only one of thelesser advantages claimed for the Young\alve gear. In the completed equipmentconsisting of valve, a valve gear, and ascrew reverse gear there are distinct ad-vantageous features that challenge atten-tion, and from which it may be statedbriefly that engines equipped with this\alve gear are unusually reliable in start-ing, and it has been found that it israrely necessary to slack even theheaviest trains in m
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