Not to be confused with LNWR Whale Precursor Class or LNWR Precursor Tank Class.
LNWR Precursor class (Webb)
LNWR engine No. 680 'Giffard'
Type and origin
Power type
Steam
Designer
F. W. Webb
Builder
Crewe Works
Serial number
1902–1821, 2229–2238, 2249–2258
Build date
1874–1879
Total produced
40
Specifications
Configuration:
• Whyte
2-4-0
• UIC
1B n2
Gauge
4 ft 8+1⁄2 in (1,435 mm)
Leading dia.
3 ft 6 in (1.067 m)
Driver dia.
5 ft 6 in (1.676 m)
Wheelbase
7 ft 5 in (2.261 m) +
8 ft 3 in (2.515 m)
Loco weight
32 long tons (33 t)
Boiler:
• Diameter
4 ft 2 in (1.27 m)
• Tube plates
9 ft 10 in (3.00 m)
Boiler pressure
140 lbf/in2 (0.97 MPa)
Heating surface
1,074.6 sq ft (99.83 m2)
Cylinder size
17 in × 24 in (432 mm × 610 mm)
Valve gear
Allan
Career
Operators
London and North Western Railway
Scrapped
1892–1895
Disposition
All scrapped
The London and North Western Railway (LNWR) Precursor class was a class of forty 2-4-0 steam locomotives designed by F. W. Webb and built at the railway's Crewe Works between 1874 and 1879.
and 14 Related for: LNWR Webb Precursor Class information
London and North Western Railway (LNWR) Precursorclass was a class of forty 2-4-0 steam locomotives designed by F. W. Webb and built at the railway's Crewe...
Railway (LNWR) had three classes of steam locomotive identified as PrecursorClass: LNWRWebbPrecursorClass of 1874–1879 by Francis Webb, a 2-4-0 LNWR Whale...
in 1904, it should not be confused with the LNWR 2-4-0 "Precursor" Class of 1874 designed by Francis Webb, the last example of which was scrapped in 1895...
the driving wheels. They were effectively a tank version of the LNWRWebbPrecursorClass, which were then being withdrawn. Three locomotives were withdrawn...
The LNWR 1185 Class was a class of 0-8-2T steam tank locomotives designed by Charles Bowen-Cooke and introduced in 1911. They passed into LMS ownership...
the LNWR running department under J. Rigg. In 1898 he was made responsible for the running of all LNWR locomotives. Francis William Webb, the LNWR Locomotive...
Western Railway (LNWR) 7 ft 6 in Single 2-2-2 class was a type of express passenger locomotive designed by John Ramsbottom. The class is better known as...
time at Crewe Works. It is based on the LNWR Alfred the Great Class and is the only surviving Crewe built Webb Compound. (Completed circa 1910-12) The...
essentially superheated versions of the LNWR Whale PrecursorClass. At the same time, similar non-superheated Queen Mary Class engines were also built but all...
many famous locomotives such as the Webb 2-4-0 Jumbo class and the compounds, the Whale Experiment and Precursorclasses, and the Bowen-Cooke Claughtons....
"Coronation" class locomotive". The Engineer. 168. 1939. Vaughan, Adrian (1989). Obstruction Danger. Wellingborough: Patrick Stephens. ISBN 1-85260-055-1. Webb, Terry...
accommodating 86 locomotives and the Chief Mechanical Engineer, by this time Francis Webb, gained authority for a second building. In 1882 the shed was extended by...
on the LNWR and its crowded coastal route. The 1914 RCH Junction Diagram shown right suggests WISC might have swapped dependence on the LNWR for dependence...
drainage machine". "DHR Fully Open Again; bags Top Heritage Award for DHR B-Class Steam Locomotive – RailNews Media India Ltd". "The Institution of Mechanical...
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