. The Street railway journal . hangeable and four in number, securedin place by an extension of the pole piece which in turn is held inplace by two bolts passing through the frame. One particular ad- used with the W. P. 50, but differs in that the bar is bolted to thenose of the motor and its ends carried backward toward the axle andattached to the truck frame at points in line with the armatureshaft. As this axle is virtually the center of weight of the motor,the suspension balances the motor and gives an effect equivalent tothe side bar suspension. This method is termed the yoke sus-pension.
. The Street railway journal . hangeable and four in number, securedin place by an extension of the pole piece which in turn is held inplace by two bolts passing through the frame. One particular ad- used with the W. P. 50, but differs in that the bar is bolted to thenose of the motor and its ends carried backward toward the axle andattached to the truck frame at points in line with the armatureshaft. As this axle is virtually the center of weight of the motor,the suspension balances the motor and gives an effect equivalent tothe side bar suspension. This method is termed the yoke sus-pension. The yoke supporting an ordinary church bell is a com-parison in kind, but not in degree, since the church bell is only par-tially balanced, while in the yoke suspension the same idea iscarried out to a perfect balance. For this method of suspension a 494 STREET RAILWAY JOURNAL. [Vol. XII. No. 8. sviperiority over all other methods is claimed. The axle bearingsare relieved of the greater part of the weight, and the hammer blow. TRUCK WITH G. E. 1,000 MOTORS. on tracks reduced to a minimum. The motor practically rests uponsprings. The total weight of the motor is singularly low, being only1950 lbs. Solid Cast Steel Special Work. The Steinway Railway Company, of Long Island City, has re-cently received from the shops of the Pennsylvania Steel Companyan interesting piece of special work that contains several peculiarfeatures. All of the frogs as well as the switches and mates are ofsolid cast steel made by the open hearth process. That this material tersections or frogs contained in one solid piece. At C there arefour. In other cases there are two frogs so near each other that thejoint that would be used in ordinary work would be too short to beof much service—in such cases the joint is entirely eliminated andthe two frogs connected in one casting. The few joints required inthis class of work is an important feature. Another interesting factin connection with this work is that b
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectstreetr, bookyear1884
