Midland Railway 115 Class

Midland Railway 115 Class
No. 673 at the Rainhill Trials 150th anniversary cavalcade in 1980
Type and origin Power type Steam Designer Samuel Waite Johnson Builder Derby Works Build date 1896–1897 (5), 1899 (10) Total produced 15
Specifications Configuration: ​  • Whyte 4-2-2  • UIC 2′A1 n2 Gauge 4 ft 8+1⁄2 in (1,435 mm) standard gauge Leading dia. 3 ft 6 in (1.067 m) Driver dia. 7 ft 9+1⁄2 in (2.375 m) Axle load 18 long tons 10 cwt (18.8 t) Loco weight 47 long tons 6+1⁄2 cwt (48.08 t) Tender weight 41 long tons 4 cwt (41.9 t) loaded Total weight 88 long tons 10+1⁄2 cwt (89.95 t) Fuel type Coal Fuel capacity 4 long tons (4.1 t; 4.5 short tons) Water cap. 3,500 imp gal (16,000 L; 4,200 US gal) Boiler MR type E Boiler pressure 170 psi (1.17 MPa) Cylinders Two, inside Cylinder size 19+1⁄2 by 26 inches (495 by 660 millimetres)
Performance figures Tractive effort 15,279 lbf (68.0 kN)
Career Operators Midland Railway London, Midland and Scottish Railway Class 115 Numbers New: 115–121, 123–128, 130–131 1907: 670–684 Nicknames Spinners Withdrawn 1921–1928 Disposition 1 preserved, 14 scrapped

The Midland Railway 115 Class was the third of four classes of 4-2-2 steam locomotive, nicknamed "Spinners", designed by Samuel Waite Johnson. A total of 15 of the class were built between 1896 and 1899. They were capable of reaching speeds of up to 90 miles per hour (140 km/h). One engine, No. 673, is preserved in the National Collection.