The total wheel base is 17 ft. 6 in. The
boiler, which is fed by two injectors, is of steel, 11 ft. 5 in. long and
4 ft. 2 in. diameter. The grate area is 17.3 square feet, and the heating
surface is, in the tubes, 1,083; fire-box, 117; total, 1,200 sq. ft. The
weight in working order is, on the leading wheels, 12 tons 19 cwt.;
driving wheels, 15 tons; trailing wheels, 13 tons 4 cwt.; total, 41 tons 3
cwt. These engines burn 27 lb. of coal per train mile with trains
averaging thirteen coaches. It has been seen that the Cheshire lines
express between Liverpool and Manchester is one of the fastest in England,
and the Manchester, Sheffield, and Lincolnshire Railway Company, who works
the trains, has just introduced a new class of engine specially for this
and other express trains on the line. The cylinders are outside, 171/2 in.
diameter and 26 in. stroke, with single driving wheels 7 ft. 5 in.
diameter, the leading and trailing wheels being 3 ft. 8 in. diameter. The
total wheel base is 15 ft. 9 in., and the frames are double, giving
outside bearings to the leading and trailing axles, and inside bearings to
the driving axle. The boiler is 11 ft. 6 in. long and 3 ft. 11 in.
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