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The North Staffordshire Railway (NSR) H1 Class was a class of 0-6-0 steam locomotive designed by John H. Adams, third son of William Adams. They were designed as a development as the previous H Class, adding a Belpaire firebox to a new design of boiler, which was similar to that of the NSR G class but with a reduced barrel length. 4 were built between December 1910 and March 1911 all at the company's Stoke railway works. The whole class was withdrawn by the end of 1930, having quickly been displaced by the LMS 4F.[1]

This article relies largely or entirely on a single source. (November 2016)

NSR H1 Class
Type and origin Power type Steam Designer John Henry Adams Builder NSR Stoke works Build date 1910-11 Total produced 4
Specifications Configuration: ​  • Whyte 0-6-0  • UIC C Gauge 4 ft 8+1⁄2 in (1,435 mm) Driver dia. 5 ft 0 in (1,524 mm) Wheelbase 16 ft 6 in (5.03 m) Length 27 ft 9.25 in (8.46 m) Height 12 ft 6 in (3.81 m) Loco weight 35 long tons 7 cwt (79,200 lb or 35.9 t) full Fuel type Coal Fuel capacity 5 long tons 0 cwt (11,200 lb or 5.1 t) Water cap. 3,200 imp gal (15,000 l; 3,800 US gal) Firebox:  • Firegrate area 17.8 sq ft (1.65 m2) Boiler pressure 175 psi (1.21 MPa) Heating surface:  • Tubes and flues 1,064 sq ft (98.8 m2)  • Firebox 133 sq ft (12.4 m2) Cylinders Two, inside Cylinder size 18+1⁄2 in × 26 in (470 mm × 660 mm)
Career Operators North Staffordshire Railway London, Midland and Scottish Railway Class NSR: H1 Class Power class 3F Number in class 4 Retired January 1929 – October 1930 Disposition All 4 scrapped

As with the H class, the H1s were built with the NSR's long distance freight work outside of their own system thanks to their extensive running powers, but they also partook in some passenger and excursion trains.[1]

The Livery of the H1 Class was the NSR's Madder lake with straw lining, and NORTH STAFFORD lettering on the tender along with the company crest. The number appeared on the cabside. In LMS days they received the standard plain black freight livery with large numerals on the tender. They were renumbered twice in LMS ownership; once, upon grouping, in the 23xx series, and again in 1928 to make way for the LMS Fowler 2-6-4T being built at the time. As a result, they were put in the 83xx series following on from the LNWR cauliflower Class.[1]

List of Locomotives

NSR number	Built	First LMS number	Second LMS number	Withdrawn	Notes
6	December 1910	2363	8685	January 1929
90	December 1910	2364	8686	December 1929
91	February 1911	2365	8687	January 1930
92	March 1911	2366	8688	October 1930

References

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