LSWR E14 class

Last updated

LSWR/SR E14 [1] [ page needed ]
Type and origin
Power typeSteam
Designer Dugald Drummond
BuilderLSWR Nine Elms Works
Build date1907
Total produced1
Specifications
Configuration:
​
 •  Whyte 4-6-0
Gauge 4 ft 8+1⁄2 in (1,435 mm)
Leading dia. 3 ft 7 in (1.092 m)
Driver dia.6 ft 0 in (1.829 m)
Loco weight76 tons 13 cwt (77.9 tonnes)
Fuel type Coal
Fuel capacity5 tons (5.1 tonnes)
Water cap.5,800 imp gal (26,000 L)
Boiler pressure175  psi (1.21  MPa)
Cylinders Four
Cylinder size 16½ × 26 in (419 × 660 mm)
Performance figures
Tractive effort 29,248  lbf (130.10  kN)
Career
Operators London and South Western Railway
Class E14
NicknamesThe Turkey
Locale Great Britain
Retired1914
DispositionRebuilt to H15 class

The LSWR E14 Class was a class of 4-6-0 locomotive designed by Dugald Drummond for the London and South Western Railway.

Contents

Background

The indifferent feedback gained upon the release of Drummond's first 4-6-0 design, the F13 class meant that he went back to the drawing board to create a new, improved design. The LSWRs immediate traffic needs were covered to a certain extent by the 4-4-0 designs. This was because the F13 class 4-6-0 had been withdrawn from the heavy boat train services they were designed to undertake, as they were heavy on coal, water and man-hours in terms of upkeep. [1] [ page needed ] However, the problem of continually accelerating timetables to the South Coast ports remained. [1] [ page needed ]

It soon became clear that another 4-6-0 design was needed due to their ability to ply their trade at faster speeds, and their inherent power-to-weight ratio. [1] [ page needed ] This was true with the LSWR's passenger requirements increasing due to lengthened, heavier rolling stock that needed to keep up with faster point-to-point schedules. He also continued to develop a multiple-cylinder layout. The resultant design was to become the E14 class. [1] [ page needed ]

Construction history

Drummond had once again settled on the 4-6-0 wheel arrangement in anticipation of further increases in speed and length of trains, a concept that had many advantages. [2] A 175 lbf/in² (1.21 MPa) saturated steam boiler was utilised, therefore generating the steam needed to power a four-cylinder front end, and in this respect, the class differed from his F13 Class. Drummond's second 4-6-0 locomotive design also incorporated a four-cylinder layout powering 6 ft 0 in (1.829 m) driving wheels. [1] [ page needed ] The new design was equipped with Walschaerts valve gear for both inside and outside the frames, therefore reducing the complexity of the design in respect to spare parts required during overhauls. [2] While Drummond had been given authorisation to build five, only a single E14 class was built.

YearBatchQuantityLSWR numbersNotes
1907E141335

Rebuilding under Urie

The poor quality of the E14's original design was further highlighted by the fact that it had been earmarked by Drummond only five years after its initial release for major modifications in the light of poor operational performance. [1] [ page needed ] Drummond died before this could be undertaken in 1912, and it fell to his successor, Robert Urie, to undertake the modifications. However, Urie decided to rebuild the locomotive as the eleventh member of his H15 class in 1914. [3] [ page needed ] [4] [ page needed ]

Livery and numbering

Under the LSWR, the E14 was outshopped in the LSWR Passenger Sage Green livery with purple-brown edging, creating panels of green. [1] [ page needed ] This was further lined in white and black with 'LSWR' in gilt on the tender tank sides.

Operational details

The E14 design had originally been intended to operate expresses between Salisbury and Exeter, but were unsuccessful resulting in its operation lasting only a year. [1] [ page needed ] The class saw more success when rostered to operate on the less arduous stretch of track between Salisbury and Southampton, hauling coal trains between these two destinations, a far cry from their intended role. The locomotive had a high coal consumption and as a result, gained the unenviable nickname of the "Turkey." [3] [ page needed ]

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References

Notes
  1. 1 2 3 4 5 6 7 8 9 Bradley (1986).
  2. 1 2 Swift, Peter W. Railway Archive6: pp. 3–24.
  3. 1 2 Haresnape & Rowledge (1982).
  4. ↑ Haresnape (1977).
Sources
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