. Railway and locomotive engineering : a practical journal of railway motive power and rolling stock . one section can be operated alone ifdesired. Following the builders latest approvedpractice for this type of locomotive, tneengines are equipped with are of the fire tube, double looptype, and are contained in 48 flues 5yiins. in diameter. Vanadium steel has been extensivelyused for those parts which are subjectedto the greatest strain. These include en-gine frames, crossheads, driving wheeltires; driving, engine trailing and tendertruck springs, main driving axles, maincra
. Railway and locomotive engineering : a practical journal of railway motive power and rolling stock . one section can be operated alone ifdesired. Following the builders latest approvedpractice for this type of locomotive, tneengines are equipped with are of the fire tube, double looptype, and are contained in 48 flues 5yiins. in diameter. Vanadium steel has been extensivelyused for those parts which are subjectedto the greatest strain. These include en-gine frames, crossheads, driving wheeltires; driving, engine trailing and tendertruck springs, main driving axles, maincrank pins, and piston spiders. The following are the principal dimen-sions of these locomotives: Track gauge, 4 ft. 8J/S ins. Wheel base—Rigid, 15 ft. 6 ins. ; driv-ing, 42 ft. 1 in.; total, 57 ft. 4 ins. Weight in working order, lbs. Heating surface—Tubes and flues, 6,350. BOILER OF MAMMOTH MALLET FOR THE VIRGINIA RAILWAY. DINKEYINSIDE FIREBOX. CYLINDERS, 6 INS. BY 10 INS. this power, the maximum train over themountain averaged 3,340 tons. With twoof the new locomotives as helpers andone of the older class having 92,000 power, making a combined trac-tive force of 332,000 lbs., it is expectedto take a train of 4,230 tons over thegrade. Apart from the enormous size and weightof the engines, the design represents thebuilders ordinary practice which has beenfrequently described in our pages. Sev-eral new features, however, are found inthe design and construction of the of these is the arrangement of thefire brick arch employed. It consists ofa combination of the Security and theGaines brick arch. This gives a largelyincreased firebox volume, although theRrate area, 99 ft., is less than that pro-vided in other large Mallets constructedby the same builders. The grates are power operated—theFranklin Railway Supply Companyspower grate
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectrailroa, bookyear1901
