. Railway mechanical engineer . th Rolled Steel Frame sections. The idea in designing these trucks was to reduce bothfirst cost and maintenance troubles. Repairs to the framescan be made at almost any shop and experience has shownthat under ordinary service conditions, heavy repairs requiringspecial work and tools are unnecessary. In both designs the attempt was made to secure maximumstrength and service ability with a minimum weight. Theframe for the four-wheel truck weighs approximately the sameas the old wooden frame having iron flitch plates, while thereis a marked advantage as regards str
. Railway mechanical engineer . th Rolled Steel Frame sections. The idea in designing these trucks was to reduce bothfirst cost and maintenance troubles. Repairs to the framescan be made at almost any shop and experience has shownthat under ordinary service conditions, heavy repairs requiringspecial work and tools are unnecessary. In both designs the attempt was made to secure maximumstrength and service ability with a minimum weight. Theframe for the four-wheel truck weighs approximately the sameas the old wooden frame having iron flitch plates, while thereis a marked advantage as regards strength and rigidity. Allri\et boles arc reamed to size and the more important rivets. Machine for Threading and Cutting Pipe and chasers. The gripping chucks have universal adjustmentson the 4 in. and 6 in. machines are lever operated. The most notew-orthy feature of this type of machine is theease with which it may be adjusted for the different sizes of are machine driven. Large gusset plates are used to connectthe cross members to the truck sides and the friction plates forthe bolsters are located on the bolster hanger brackets, thusremoving the lateral strain from the cross members. Thebrake hanger bracket is secured to a pressed arm, which is sup-ported by the truck side and the cross member gussets. Thebolster hanger is extra long and the pins are of large diameterin order to reduce wear. Either the usual design of inside 430 RAILWAY AGE GAZETTE, MECHANICAL EDITION Vol. 89, No. 8 hung brakes or the -American Brake Companys design of claspbrakes may be used with this truck. The six-wheel truck has been found to meet all the require-ments of high-speed passenger ser
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectrailroadengineering
