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Mr. J.E. McConnell

1851 — Large Bloomers
1852 — Patents
1854 — Small Bloomers
1861 — Class H

Mr. J. Ramsbottom

1859 — Problems
1863 — Samsons
1866 — Newtons

Mr. F.W. Webb

1874 — Precursors
1874 — Precedents
1876 — 2-4-0 Tanks
1879 — 4ft 6in 2-4-2Ts
1882 — Experiments
1884 — Dreadnoughts
1884 — Comp. 4-2-2-0T
1885 — Comp. 2-2-2-2T
1887 — Comp. 2-2-2-2T
1887 — Comp. 2-2-4-0T
1887 — Impr. Precedents
1889 — Whitworths
1889 — Teutonics
1890 — 5ft 6in 2-4-2Ts
1891 — Greater Britains
1894 — John Hicks
1897 — Jubilees
1898 — 5ft 3in 0-6-2Ts
1901 — Alfred the Greats

Mr. G. Whale

1903 — Benbows
1904 — Precursors
1905 — Experiments
1906 — 6ft 4-coupled Ts
1908 — Renowns

Mr. C.J. Bowen Cooke

1910 — George Vs
1910 — Superhtr 4-6-2Ts
1911 — Prince of Wales
1913 — Claughtons
1915 — Prospero
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Small Bloomer Class

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for bigger image.
 
Photographer unknown

Vital Statistics

Official Name Small Bloomer Class
Nickname
Water & Coal Storage Tender
Water Capacity 1500 gallons
Coal Capacity 2 tons
Wheel Arrangement 2-2-2
Driven Wheels Two: 6ft 6in
Carrying Wheels Four: 4ft 0in
Wheelbase 7ft 9in + 7ft 9in
Total Wheelbase 15ft 6in
Boiler 4ft 0in dia 10ft 3in long
Boiler Pressure 120 psi
Grate Area 17.4 sq ft
Tubes 205
Total Heating Area 1230 sq ft
Cylinders Two inside 16in dia; 21in stroke
Weight 23 tons 13 cwt and 25 tons 9 cwt
Designer Mr J.E. McConnell
Number in Class 31
Lifetime 1854-1887

Notes: These engines were originally intended by McConnell to be a 7ft-wheel variant of his Patent class, but the design was altered by order of the directors to a smaller version of the successful Bloomers. Like them, the design was closely based on the Bury, Curtis & Kennedy 6ft single of 1848; McConnell called the Small Bloomer design 'Bury's Improved'.

Eleven were built in 1854, seven by Hawthorn and four by Vulcan; like the Patents these originally had rubber springs on all axles. The other twenty were built at Wolverton Works between 1857 and 1861 in three lots, known as classes C, E and K.

They worked all over the Southern Division, on secondary fast main-line trains and on branch lines. Two were scrapped in 1866 but most of the others were rebuilt with Crewe boilers from 1868 to 1876; any remaining rubber springs were then replaced with steel plate springs; a rebuilt engine weighed 27 tons 4 cwt.

All twenty-nine were given names in 1872; twenty were in stock at the end of 1880, and the last one was scrapped in 1887.

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