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BMJR/GWR Dunbar "Unclass" Class 0-6-2T
Class Types
| BMR Class |
45 |
| BMR Class |
45 |
General
| Designer |
James Dunbar |
| Introduced |
1915 |
| Pre-Grouping |
Brecon and Merthyr Junction Railway |
| Big Four |
Great Western Railway |
| Description (1957) |
Brecon & Merthyr Railway 0-6-2T's with 5' 0" wheels, built between 1915-20. Formerly numbered 1372-1375, 1668 and 1670, they became Nos. 431-6 between 1947 and 1949. Some had been rebuilt with Swindon boilers; all were scrapped between 1951 and 1954. |
| Wheels |
0-6-2T |
| Number Built as Unclass |
6 |
| First in Service |
08/1915 |
| Last in Service |
02/1954 |
| Manufacturers |
|
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|
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Power
| Variant Introduced |
1915 |
| Tractive Effort |
20,885lbs |
| Inside Cylinders |
18" x 26" (2 off) |
Wheels
| Drivers |
5' |
| Truck |
3' 6" |
| Locomotive Wheelbase |
21' 9" |
| Descriptive Wheelbase |
7' 3" + 8' 0" + 6' 6" |
Dimensions
| Water Capacity |
1,300gal |
Boiler & Firebox
| Boiler Max Diameter |
5' |
| Boiler Barrel Length |
11' |
| Boiler Pressure |
175lbs |
| Boiler Pitch |
7' 93⁄4" |
| Firebox Length |
2' 3" |
| Firebox Grate Area |
18ft2 |
| Firebox Heating Surface |
100ft2 |
| Tube Number |
236 |
| Tube Diameter |
13⁄4" |
| Tube Area |
1227ft2 |
| Total Evaporative Area |
1327ft2 |
|
