. Railway and locomotive engineering : a practical journal of railway motive power and rolling stock . and a tractive ef-fort of about 45,635 remarkablemachine built for theBelgian State Railwaysis the pacific type ex-press locomotive de-signed by M. J. , the chief me-c h a n i c a 1 has been a needfor more powerfulengines to work the ex-press service on the line from Brussels(north) to Verviers and Herbesthal,and M. Flamme accordingly designedthis pacific type shown in Fig. 2,with four high - pressure cylindersand a Schmidt superheater. Theleading particular
. Railway and locomotive engineering : a practical journal of railway motive power and rolling stock . and a tractive ef-fort of about 45,635 remarkablemachine built for theBelgian State Railwaysis the pacific type ex-press locomotive de-signed by M. J. , the chief me-c h a n i c a 1 has been a needfor more powerfulengines to work the ex-press service on the line from Brussels(north) to Verviers and Herbesthal,and M. Flamme accordingly designedthis pacific type shown in Fig. 2,with four high - pressure cylindersand a Schmidt superheater. Theleading particulars are as follows: Thefour cylinders are each 19 ins. in di-ameter, with a stroke of 26 ins., pistonvalves actuated by Walschaerts mo- previously mentioned. It has a maxi-mum interior diameter of 5 ft. llj^ins. and has a working pressure of199 lbs. per sq. in., there being foursafety valves of the Wilson type ar-ranged in pairs. The boiler contains230 tubes 16 ft. 5 ins. long by 2 ins. indiameter, in addition to 31 superheatertubes of 5 ins. diameter. The heatingsurface is: Firebox, sq. ft.;. CYLINDER MADE PROF. STUMPFS PRINCIPLE. tubes, 2, sq. ft.; total, 2, , with a grate area of sq. superheater surface is sq. weight of the engine alone, is,light, about 90j/$ tons, and in workingorder about 10034 tons, of which S6}4tons rest on the coupled wheels. Thetender has a capacity for 5,280 gallonsof water and 7 tons of coal. The trac-tive power exerted by these huge ma- December, 1910. RAILWAY AND LOCOMOTIVE ENGINEERING. 495 chines 15 lbs., and they developnbout 2,000 h. p. as a maximum. A new type of four cylinder com-pound express locomotive for theXorthern Railway of France is note-worthy (see Fig. 3). It has a ratherunusual wheel arrangement. 4-4-4, the which 34 ions 2 cwt. 3 qrs. rest on thecoupled wheels; weight of tender with4,230 gallons of water, 41 tons 16 qrs. Among the German examples is alarge 0-S-O goods lo
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