GWR 7800 Class 7821 Ditcheat Manor

Last updated

Ditcheat Manor
Ditcheat Manor Steam museum Swindon.jpg
7821 Ditcheat Manor on display at the Swindon Steam Museum.
Type and origin
Power typeSteam
Build dateNovember 1950
Specifications
Configuration:
​
 •  Whyte 4-6-0
 •  UIC 2'Ch2
Gauge 4 ft 8+1⁄2 in (1,435 mm) standard gauge
Leading dia. 3 ft 0 in (914 mm)
Driver dia.5 ft 8 in (1,727 mm)
Minimum curve 6 chains (396 ft; 121 m) normal,
5 chains (330 ft; 101 m) slow
Wheelbase Loco: 27 ft 1 in (8.26 m)
Loco & tender:52 ft 1+3⁄4 in (15.89 m)
Length61 ft 9+1⁄4 in (18.83 m)
Width8 ft 11 in (2.718 m)
Height13 ft 0 in (3.962 m)
Axle load 17 long tons 5 cwt (38,600 lb or 17.5 t) (19.3 short tons)
Loco weight68 long tons 18 cwt (154,300 lb or 70 t) (77.2 short tons) full
Tender weight40 long tons 0 cwt (89,600 lb or 40.6 t) (44.8 short tons) full
Fuel type Coal
Fuel capacity7 long tons 0 cwt (15,700 lb or 7.1 t) (7.8 short tons)
Water cap.3,500 imp gal (16,000 L; 4,200 US gal)
Firebox:​
 • Grate area22.1 sq ft (2.05 m2)
BoilerGWR Standard No. 14 [1]
Boiler pressure225  psi (1.55  MPa)
Heating surface:​
 • Firebox140.0 sq ft (13.01 m2)
 • Tubes and flues1,285.5 sq ft (119.43 m2)
Superheater:
​
 • Heating area160.0 sq ft (14.86 m2)
Cylinders Two, outside
Cylinder size 18 in × 30 in (457 mm × 762 mm)
Performance figures
Tractive effort 27,340 lbf (121.61 kN)
Career
Operators British Railways
Class 7800 'Manor' Class
Numbers7821
Locale Western Region
Retired1965

Great Western Railway 7800 Class No. 7821 Ditcheat Manor is a preserved British steam locomotive.

Contents

The second of the last batch of 10 engines of the thirty-strong class, 7821 was actually built by British Railways in 1950. Like most of the class of lightweight 4-6-0s, it was allocated to lines in Mid Wales, but was also based Oxley and Newton Abbot. 7821 was withdrawn in November 1965 and was sent to Woodham Brothers scrapyard in Barry, Vale of Glamorgan, South Wales.

Rescued from Barry in 1980, it was sent to the embryonic Gloucestershire Warwickshire Railway, before moving to the Llangollen Railway and then Swindon, restoration being completed in 1998, when it first steamed at the West Somerset Railway. The loco then worked on the Great Central Railway in Leicestershire, but in late 2005 moved to the Cambrian Railways Trust. 7821 moved again in 2005 to the Churnet Valley Railway where it served its last months of its boiler ticket in traffic.

In 2007, the West Somerset Railway Association bought 7821 from its private owner, in part funded by reselling GWR 0-6-0PT No. 6412 to its original owner, the South Devon Railway. [2] The locomotive was initially moved to Williton, and then in 2010 to Bishops Lydeard. In light of a mechanical examination showing that the locomotive needed extensive and expensive chassis and boiler work, whilst funding is raised for its overhaul the WSRA agreed a static display contract with the Museum of the Great Western Railway, Swindon for a minimum contract period of five years. The locomotive was subsequently relocated to the museum by road on 14 November 2010, where it presently resides and is due to stay until November 2020. [3] On 21 August 2018, the locomotive was relocated to the nearby Swindon Designer Outlet in place of classmate No. 7819 Hinton Manor. [4] [5]

Allocations

First shed November 1950March 1959May 1965Last Shed
Oswestry Tyseley Wolverhampton Oxley Shrewsbury

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References

  1. ↑ Champ, Jim (2018). An Introduction to Great Western Locomotive Development. Barnsley: Pen & Sword Transport. p. 320. ISBN   978-1-4738-7784-9. OCLC   1029234106. OL   26953051M.
  2. ↑ "6412 – GWR – 0-6-0PT". South Devon Railway.
  3. ↑ "WSR Locomotive Restoration Project and Fund". West Somerset Railway Association. Archived from the original on 18 October 2017. Retrieved 17 October 2017.
  4. ↑ Seaward, Tom (21 August 2018). "WHAT'S ON: Everything you need to know about today's steam locomotive move". Swindon Advertiser. Archived from the original on 21 August 2018. Retrieved 21 August 2018.
  5. ↑ "It's coming home! Edwardian locomotive to return to Swindon". Swindon Borough Council. 10 August 2018. Archived from the original on 21 August 2018. Retrieved 21 August 2018.
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