LB&SCR H2 class

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LB&SCR H2 class
LB&SCR H2 class No. 422 North Foreland.jpg
H2 seen in Southern Railway livery
Type and origin
Power typeSteam
Designer D. E. Marsh/L. B. Billinton
Builder Brighton Works
Build date1911–1912
Total produced6
Specifications
Configuration:
   Whyte 4-4-2
Gauge 4 ft 8+12 in (1,435 mm) standard gauge
Leading dia. 3 ft 6 in (1.067 m)
Driver dia.6 ft 7+12 in (2.019 m)
Loco weight69 long tons 5 cwt (155,100 lb or 70.4 t) (77.6 short tons)
Fuel typeCoal
Boiler pressure170 psi (1.17 MPa) 200 psi (1.38 MPa) (1938)
Cylinders Two, outside
Cylinder size 21 in × 26 in (533 mm × 660 mm)
Performance figures
Tractive effort 20,840 lbf (92.7 kN) 24,518 lbf (109.1 kN) (1938)
Career
Operators
Class H2
Power class BR: 4P
Withdrawn1949, 1956–1958
DispositionAll original locomotives scrapped, replica under construction

The London, Brighton and South Coast Railway H2 class was a class of 4-4-2 steam locomotives for express passenger work. They were designed when D. E. Marsh was officially Locomotive Superintendent, and were built at Brighton Works in 1911 and 1912. As Marsh had worked on the Great Northern Railway as Chief Assistant to Henry Ivatt, the design closely followed that of the GNR Class C1 (large boiler).

Contents

Background

In 1911, D. E. Marsh was on leave of absence due to sickness, and his assistant Lawson Billinton was granted authority to construct a further six 4-4-2 'Atlantic' locomotives similar to the Marsh H1 class but incorporating the Schmidt superheater.

Construction and use

The new H2 class locomotives built by Brighton railway works and introduced between June 1911 and January 1912. They were an immediate success and shared with the H1 class the London to Brighton express trains including the heavily loaded Pullman services the Brighton Limited, and the Southern Belle , which the LB&SCR described as "the most luxurious train in the World".

As with the non-superheated class they were gradually replaced on the London-Brighton express trains in 1925/6 by the "King Arthur" and "River" classes, but there was still plenty of work for them on other express services, including boat trains connecting with the Newhaven-Dieppe ferry service. At the same time they were all named after geographical features of the south coast.

Oliver Bulleid, familiar with the class from his time at the LNER, increased the boiler pressure of the H2 class from 170 psi to 200 psi starting in 1938 to match the H1. [1]

Following the cessation of the cross-channel ferries after 1940, as a result of the Second World War, the class were left with little work to do and several were put into store or else moved to miscellaneous duties in southern England. The H2 class however returned to the boat trains after the end of the war and continued until the mid-1950s.

Withdrawal

One member of the class was withdrawn in 1949, but the remainder continued in regular use until 1956. No. 32424 "Beachy Head" was the last survivor, it was withdrawn in April 1958 and none were preserved.

Preservation

Beachy Head replica, under construction 32424 Beachy Head frames.JPG
Beachy Head replica, under construction
LB&SCR H2 Atlantic No. 32424 "Beachy Head" replica under construction LB&SCR H2 Atlantic No. 32424 "Beachy Head".jpg
LB&SCR H2 Atlantic No. 32424 "Beachy Head" replica under construction

No examples of the H2 class were preserved, but on 29 October 2000 the Bluebell Railway announced its intention to reconstruct a replica of SR/BR period Beachy Head. At the time of writing many surviving locomotive parts had been assembled including an ex-GNR 'Atlantic' boiler, and an ex-LB&SCR B4 class tender chassis. [2] The boiler was tested around August 2018. The locomotive rolled out and was mated with its tender on March 5, 2024, to begin commissioning work prior to entering service. [3]

Models

Bachmann Branchline are producing an OO scale model of the class in three variations.

31-920 H2 Class Atlantic 4-4-2 No. 2421 South Foreland [4] in Southern Railway olive green livery; 31-921A No. 32425 Trevose Head in BR black livery with early emblem. [5] and 31-922 No. 422 in LB&SCR Lined Umber. [6]

Locomotive Summary

H2 class fleet summary
LB&SC NumberBuiltS.R. NumberNameB.R. NumberWithdrawalImage
421June 19112421 South Foreland 32421August 1956 Redhill with inter-regional express passing geograph-2745620-by-Ben-Brooksbank.jpg
422July 19112422 North Foreland 32422September 1956 LB&SCR H2 class No. 422 North Foreland.jpg
423September 19112423 The Needles 32423May 1949
424September 19112424 Beachy Head 32424April 1958
425December 19112425 Trevose Head 32425September 1956 LB&SCR H2 class No. 425 Trevose Head.jpg
426January 19122426 St. Alban's Head 32426August 1956

Sources

  1. English 2014 , p. 73
  2. "Bluebell Railway Atlantic Group". www.bluebell-railway.co.uk.
  3. "'Beachy Head' Emerges!". facebook.com. Bluebell Railway. 6 March 2024. Retrieved 6 March 2024.
  4. "Bachmann to produce ex LBSC Atlantic H2 Class 4-4-2". RMweb.
  5. "Bachmann Atlantic | Hornby Magazine".
  6. "Bachmann Europe PLC - model-railway/Branchline -> Steam Locomotives".

Bibliography

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