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GWR 7800 Class 7808 Cookham Manor

7808 Cookham Manor is a Great Western Railway 7800 'Manor' Class steam locomotive. It was built in 1938 at Swindon Works, withdrawn from service in December 1965 and purchased directly from British Railways for preservation by John Mynors, a member of the Great Western Society, in 1965–66.[2] 'Cookham Manor' was the only 'Manor' Class locomotive to have been bought directly from BR. Initially it was stored at Ashchurch, until moving to Didcot in August 1970.[3]

7808 Cookham Manor
Cookham Manor
Type and origin
Power typeSteam
Build dateMarch 1938
Specifications
Configuration:
​
 • Whyte4-6-0
 • UIC2'Ch2
Gauge4 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 curve6 chains (396 ft; 121 m) normal,
5 chains (330 ft; 101 m) slow
WheelbaseLoco: 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 load17 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 typeCoal
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)
CylindersTwo, outside
Cylinder size18 in × 30 in (457 mm × 762 mm)
Performance figures
Tractive effort27,340 lbf (121.61 kN)
Career
OperatorsGreat Western Railway,
British Railways
Class7800 'Manor' Class
Numbers7808
RetiredDecember 1965
Current ownerGreat Western Society

It was said to be considered highly by the crews that operated it, and unusually for the class, the locomotive was fitted with a larger 4,000-imperial-gallon (18,000 L; 4,800 US gal) water tender.

The locomotive initially saw considerable main line use soon after preservation, but is currently on static display awaiting a major overhaul at Didcot Railway Centre.

The locomotive cost £3,986 excluding the tender when built in 1938, and had travelled 913,744 miles (1,470,528 km) by 28 December 1963.[3]

Allocations

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The allocations of 'Cookham Manor' during its service for the GWR and British Railways.[3]

Date Location
March 1938 Old Oak Common
April 1939 Gloucester
April 1946 Oswestry
Dec 1953 Bristol (St Philips Marsh)
Dec 1954 Gloucester
June 1959 Newton Abbot
September 1960 Exeter
October 1960 Worcester
December 1960 Tyseley
September 1962 Reading
August 1964 Swindon
November 1964 Gloucester
December 1965 Withdrawn

References

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  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. ^ Nabarro, Gerald (1979). Steam Nostalgia: Locomotive and Railway Preservation in Great Britain. Routledge. p. 31. ISBN 9780710073914.
  3. ^ a b c Walters, Laurence (1989). Didcot: Junction & Railway Centre. Railway World Special. Ian Allan Ltd. p. 52.
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