. Journal de l'ingénieur américain et du chemin de fer . oceux utilisés sur le chariot à moteur, sauf pour de légères différences dans la conception des supports pour suspendre le ressort planket les supports de frein et aussi des supports aux extrémités avant fixation au châssis latéral. La lame de ressort est de la sameconconstruction comme celle sur le chariot à moteur. Les essieux sont de série M. C. B. avec des tourillons de 5 x 9 in..les boîtiers de tourillon Symington sont utilisés avec une cosse moulée à l'extrémité inférieure avant pour transporter la poutre à laquelle les troisième bancs de longeron sont fixés. L'application du gréage de frein est clairement indiquée dans les dessins. La barre
2263 x 1105 px | 38,3 x 18,7 cm | 15,1 x 7,4 inches | 150dpi
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. American engineer and railroad journal . othose used on the motor truck, except for slight differences in the design of the brackets for suspending the spring plankand brake hangers and also of the brackets at the ends forattachment to the side frame. The spring plank is of the sameconstruction as the one on the motor truck. The axles are M. C. B. standard with 5 by 9 in. journals.Symington journal boxes are used with a lug cast at the lowerfront end for carrying the beam to which the third rail shoesare attached. The application of the brake rigging is clearlyshown in the drawings. The trussed brake beam, designedby the American Locomotive Company, consists of two rect-angular bars which are welded together at their ends. The motor trucks were designed by the American Locomo-tive Company in consultation with the motive power depart-ment of the New York Central & Hudson River Railroad andthe trailer trucks are adapted from designs of similar I ruckswhich have been in service on the New York Central Lines forseveral years.. END ELEVATION AND SECTION OF TRAILER TRUCK. A Valuable Tool for Roundhouses.—In addition to the listof tools that Mr. Bentley has enumerated for the roundhouse, we have discovered in the past year that a small lathe mount-ed on a wagon that can be drawn to any pit in the roundhouseby a couple of men, and has been a very good investment. Wedrive it with an air motor. With the class of power that wehave we find it necessary very frequently to renew splicebolts in frames and such as that, and this lathe we use forthe purpose of fitting the bolts right on the ground. Say wehave an engine around in the fiftieth stall; we draw the lathearound there, and the bolts are taken there in the rough andare turned and driven in right at the spot. We find that anadvantage over carrying the bolts to some place in the shopand then back again to be tried, and a little more taken offfrom them, and finally driven in where they belong, sometimestight, and sometimes n
