. American engineer and railroad journal . re .■i: stoking. it] i developmentthe Immedia 150 AMERICAN ENGINEER AND RAILROAD JOURNAL. COMPOUND SUPERHEATER FREIGHT LOCOMOTIVE- 2—S—0 Ttpe Soo Line Railway. Two-cylinder compound locomotives of the 2—8—0 typehaving Cole superheaters have been put into service by theMinneapolis, St. Paul & Sault St. Marie Railway, which aregenerally similar to but are heavier and more powerful thanothers of the 2—8—0 type used on this road. The new oneshave 37,300 lbs., as compared with 37,000 lbs. tractive effort Engine truck wheels, diameter ,. 33 ins. Engine truc
. American engineer and railroad journal . re .■i: stoking. it] i developmentthe Immedia 150 AMERICAN ENGINEER AND RAILROAD JOURNAL. COMPOUND SUPERHEATER FREIGHT LOCOMOTIVE- 2—S—0 Ttpe Soo Line Railway. Two-cylinder compound locomotives of the 2—8—0 typehaving Cole superheaters have been put into service by theMinneapolis, St. Paul & Sault St. Marie Railway, which aregenerally similar to but are heavier and more powerful thanothers of the 2—8—0 type used on this road. The new oneshave 37,300 lbs., as compared with 37,000 lbs. tractive effort Engine truck wheels, diameter ,. 33 ins. Engine truck, journals 6 by 10 ins. Style Extended wagon top. Working pressure 210 lbs. Outside diameter of first ring 67% ins. Firebox, length and width 9S by 70 ins. Firebox plates, thickness % and % in. Firebox, water space 5 and 4% ins. Tubes, number and outside diameter 224 2-in.; 40 3^4-in. , gauge and length 11 and S, 15 ft. 9 ins. long. Heating surface, tubes 2, sq. ft Heating surface, firebox 15S sq. COMPOUND LOCOMOTIVE WITH A. Foque, Mechanical Superintendent. -SOO LINE Locomotive Company, Builders. of the previous class. These engines were built at Schenec-tady. The Cole superheater provides sq. ft. of heatingsurface, which is slightly less than 10 per cent, of the totalheating surface. The superheater is provided for in 40 tubes3% ins. in diameter. While the arrangement of the super-heater is that used previously by Mr. Cole, the superheatertubes have been changed somewhat from previous construc-tion. The combination of two-cylinder compounding and su-perheating will be watched with interest, as it is an openquestion whether compounding is necessary with superheatedsteam. This road has a number of 2—8—0 type 2-cylindercompounds which are giving very satisfactory service, and theopportunity for comparison is an excellent one. The CanadianPacific two-cylinder compound with superheater was illus-trat
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectrailroadengineering
