. American engineer and railroad journal . centerline there is a cast iron cylinder, extending vertically throughthe water space, in which there is a trunk piston with a con-necting rod secured underneath the coal hopper. A 154 in- steampipe connects to the bottom of this cylinder, and when steam isadmitted, the whole hopper is lifted, swinging around the hingesat the forward end, and the coal slides forward, the amount ofthe lift, of course, depending upon the length of time the steampressure is supplied. In this manner, all the coal in the space is RATIOS. Weight on drivers H- tractive effor
. American engineer and railroad journal . centerline there is a cast iron cylinder, extending vertically throughthe water space, in which there is a trunk piston with a con-necting rod secured underneath the coal hopper. A 154 in- steampipe connects to the bottom of this cylinder, and when steam isadmitted, the whole hopper is lifted, swinging around the hingesat the forward end, and the coal slides forward, the amount ofthe lift, of course, depending upon the length of time the steampressure is supplied. In this manner, all the coal in the space is RATIOS. Weight on drivers H- tractive effort • • • -^-^l Total weight -H tractive eiTort ;;„„„ Tractive effort X diam. drivers -H heating surface Ii nn Total heating surface* H- grate area ,;2n Weight on drivers -^ total heating surface* it .n Total weight -=- total heating surface* titn Volume both cylinders, cu. ft kUnn Total heating surface* -4- vol. cylinders Iii Grate area -h vol. cylinders *>•** CYLINDERS. Kind „V • • o?? ^ Diameter and stroke ^ ** ■. SIX-HOPPER ASH PAN OF NEW DESIGN. brought to a convenient location for the fireman >vithout extralabor on his part. The general dimensions, weights and ratios of these locomo-tives are given in the following table: GENERAL DATA. GauEe * *■ ^ ■ Fuel ^- ^°^ TraciiVe effort ^^S^^^- Weight in working order, estimated „„I„Sa k Weight on drivers, estimated. ^07nnn h! Weight on leading truck, estimated TAnnn S Weight on trailing truck, estimated ;19„„„ k • Weight of engine and tender in working order « ids. Wheel base, driving 10 *■ 9 ■ Wheel base, total ii >; 9 in Wheel base, engme and tender o» • • VALVES. Kind P/*.° Diameter c ■ Greatest travel ;;?! Outside lap 1JS in. Inside clearance • V i o Lead ^l* • WHEELS Driving, diameter over tires -63 >n. Driving, thickness of tires • ■ • •/2 in. Driving journals, main, diameter and length 11 x li in. Driving journals, others, diameter and length
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectrailroadengineering
