GWR 4073 Class 7029 Clun Castle

7029 Clun Castle is a railway locomotive, built to the Great Western Railway Castle Class design shortly after Nationalisation by the Western Region of British Railways at the ex-Great Western Railway Swindon Works in May 1950 and named after Clun Castle.

GWR 7029 Clun Castle
Clun Castle in 2017
Type and origin
Power typeSteam
DesignerCharles Collett
BuilderBR Swindon Works
Build dateMay 1950
Specifications
Configuration:
  Whyte4-6-0
Gauge4 ft 8 12 in (1,435 mm)
Leading dia.3 ft 2 in (0.965 m)
Driver dia.6 ft 8 12 in (2.045 m)
Length65 ft 2 in (19.86 m) over buffers
Width8 ft 11 in (2.718 m)
Height13 ft 1 in (3.988 m) (Cut back from 13 ft 4 12 in (4.077 m))
Loco weight79 long tons 17 cwt (178,900 lb or 81.1 t)
89.4 short tons full
Tender weight47 long tons 6 cwt (106,000 lb or 48.1 t)
53.0 short tons full
Fuel typeCoal
Fuel capacity6 long tons 0 cwt (13,400 lb or 6.1 t)
6 long tons 0 hundredweight (6.10 t; 6.72 short tons)
Water cap4,000 imp gal (18,000 l; 4,800 US gal)
Firebox:
  Firegrate area
29.36 sq ft (2.728 m2)
BoilerGWR Standard Number 8
Boiler pressure225 lbf/in2 (1.55 MPa)
Heating surface:
  Tubes
1,857.7 sq ft (172.59 m2) (Collett)
1,799.5 sq ft (167.18 m2) (Hawksworth)
  Firebox162.7 sq ft (15.12 m2) (Collett)
163.5 sq ft (15.19 m2) (Hawksworth)
CylindersFour (two inside, two outside)
Cylinder size16 in × 26 in (406 mm × 660 mm)
Valve gearInside cylinders: Walschaerts
Outside cylinders: derived from inside cylinders via rocking bars.
Valve typePiston valves
Loco brakeVacuum
Performance figures
Maximum speed25mph - (heritage railways) 45mph - (mainline, tender first) 75mph - (mainline, chimney first)
Tractive effort31,625 lbf (140.68 kN)
Career
OperatorsGreat Western Railway
British Railways
Power classGWR: D
BR: 7P
Axle load classGWR: Red
WithdrawnDecember 1965
Current ownerTyseley Locomotive Works
DispositionOperational, Mainline Certified

British Rail

Its first shed allocation was Newton Abbot, and had a double chimney and a four-row superheater fitted in October 1959. Its most famous moment came on 9 May 1964 on the Plymouth to Bristol leg of a special train marked Z48 which was run to mark the record set sixty years earlier by "City of Truro" which was timed at 96 mph on the descent of Wellington Bank in Somerset. Preserved classmate 4079 Pendennis Castle which worked the Paddington to Westbury leg of the tour before melting its firebars has also been preserved. Its last shed allocation was Gloucester in May 1965. It hauled the last official steam train out of Paddington (to Banbury) on 11 June 1965. It was officially withdrawn in December 1965.[1]

Shed allocations
LocationShed codeFrom
Newton Abbot 83A31 May 1950
Plymouth Laira 83D29 December 1956
Newton Abbot 83A23 March 1957
Old Oak Common 81A2 July 1962
Gloucester Horton Road 85B5 October 1964

Preservation

Bought for its scrap value of £2,400 by Patrick Whitehouse in 1966, its ownership was then passed to 7029 Clun Castle Ltd. In preservation, it has been based at Tyseley TMD, now Tyseley Locomotive Works.

In 1967, carrying a Great Western livery, it hauled trains to mark closure of the GWR route to Birkenhead, from King's Cross to Newcastle and over the Settle-Carlisle Line. In 1972, it joined in the "Return to Steam" tours. After a major overhaul, it emerged in British Railways livery in 1985. In 1986, it hauled the last train from the old Birmingham Moor Street station. In the mid 1980s, some of the restoration work was undertaken by a government funded Community Programme scheme, managed by Sandwell Metropolitan Borough Council.

7029 returned to service in October 2017 at the Tyseley Open Weekend in BR Lined Green with the late crest on its tender, although fitted out with the necessary equipment the engine was not certified for mainline use. Clun Castle made its first moves on the mainline for 31 years in February 2019 when it went out on its light test runs, which included a trip to Stratford upon Avon.[2] Its loaded test run was to follow before working its first mainline train since October 1988.[3][4]

Preservation Photos

Bibliography

  • Cadge, Richard (general ed.) (1985). Portrait of a record-breaker: the story of GWR No. 7029 "Clun Castle". Birmingham Railway Museum.

References

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