LNWR John Hick Class

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LNWR John Hick class
BASA-3K-7-518-48.jpg
LNWR No. 20 John Hick
Type and origin
Power typeSteam
Designer F. W. Webb
Builder Crewe Works
Serial number3505, 3858–3866
Build date1894–1898
Total produced10
Specifications
Configuration:
   Whyte 2-2-2-2
   UIC 1AA1 n3v
Gauge 4 ft 8+12 in (1,435 mm)
Leading dia. 3 ft 6 in (1,067 mm), plus 3 in (76 mm) tyres
Driver dia.6 ft 0 in (1.829 m)
Trailing dia. 3 ft 6 in (1,067 mm), plus 3 in (76 mm) tyres
Wheelbase
  • 8 ft 5 in (2.565 m) +
  • 8 ft 3 in (2.515 m) +
  • 7 ft 3 in (2.210 m)
Loco weight52 long tons (53 t)
Fuel typeCoal
Water cap.2,000 imp gal (9,100 L; 2,400 US gal)
Boiler:
  Pitch7 ft 8+14 in (2.343 m)
  Diameter4 ft 3 in (1.295 m)
  Tube plates18 ft 6 in (5.639 m)
Heating surface1,505.7 sq ft (139.88 m2)
Cylinders Three, compound: two outside high pressure for trailing drivers, one inside low pressure for leading drivers
High-pressure cylinder15 in × 24 in (381 mm × 610 mm)
Low-pressure cylinder30 in × 24 in (762 mm × 610 mm)
Valve gear Stephenson, Slip-eccentric.
Career
Operators London and North Western Railway
ScrappedOctober 1907 – May 1912
DispositionAll scrapped

The London and North Western Railway (LNWR) John Hick class was a class of ten 2-2-2-2 steam locomotives designed for express passenger work by F. W. Webb.

Contents

History

They were broadly similar to the earlier Greater Britain class, the principal difference being smaller driving wheels, as their intended use was on the more-steeply graded Northern Section.

The first of the ten locomotives was built in February 1894, and the remaining nine came from Crewe Works between January and April 1898.

They were three-cylinder compound locomotives: the two outside high-pressure cylinders drove the trailing drivers via Howe-Stephenson valve gear, the one inside low-pressure cylinder drive the leading drivers via a slip eccentric. There was no connection between the two sets of drivers.

All the locomotives were named; one unusual feature (shared with the Greater Britain class) was that the names were split over two nameplates, one on each driving wheel splasher. This necessitated the use of two-word names, rather than some of the abbreviated names the LNWR had previously used. The names chosen continued the Greater Britain theme.

They continued in service until Webb's retirement. His successor, George Whale, preferred simple superheated locomotives; consequently they were all scrapped between 1907 and 1912.

Fleet list

See also

Related Research Articles

George Whale was an English locomotive engineer who was born in Bocking, Essex, and educated in Lewisham, London. He worked for the London and North Western Railway (LNWR).

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References

  1. Baxter 1979, p. 196.