. American engineer and railroad journal . of theforward end, so that as soon as the cause of this angular dis-placement is removed, the weight of the engine draws thetruck back into line. This is not, however, the only motionthat the socket can make relatively to the bogie. It is sus-ceptible of a side motion on its seat of | in. on each side of itscentral position. In order to regulate this displacement, theseat in question rests upim a second lower and immovable seat,with surfaces inclined about 15 per cent. The engines havinga single pony truck permit a lateral displacement of the latteron
. American engineer and railroad journal . of theforward end, so that as soon as the cause of this angular dis-placement is removed, the weight of the engine draws thetruck back into line. This is not, however, the only motionthat the socket can make relatively to the bogie. It is sus-ceptible of a side motion on its seat of | in. on each side of itscentral position. In order to regulate this displacement, theseat in question rests upim a second lower and immovable seat,with surfaces inclined about 15 per cent. The engines havinga single pony truck permit a lateral displacement of the latteron each sicle of the central position of f in. with inclined planesof 10 per cent, inclination. The engines were built upon the compound svstem, becauseexperience has confirmed the economical results wdiicli wewould naturally expect when combined with a pressure of 200Ills, per square inch. Four cylinders have been used, becausethe experiments made iu 1888 have shown that the unavoid-able complications resulting from a double mechanism was.
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectrailroadengineering
