Data from "Great Northern Railway", The Locomotive Magazine, Volume XVI, No 212 (15 April 1910) W T Scott's article in the Railway Preservation Society's 5-Foot 3 journal, January 1968, reproduced on the web at [] (accessed 23 December 2006). Works numbers were 5093-5094 in 1908 and 5531-5532 in 1911.
Principal Dimensions by Steve Llanso of Sweat House Media | |
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Class | RT |
Locobase ID | 8029 |
Railroad | Great Northern |
Country | Ireland |
Whyte | 0-6-4T |
Number in Class | 4 |
Road Numbers | 22-23, 166-167 |
Gauge | 5'3" |
Number Built | 4 |
Builder | Beyer, Peacock |
Year | 1908 |
Valve Gear | Stephenson |
Locomotive Length and Weight | |
Driver Wheelbase (ft / m) | 13.50 / 4.11 |
Engine Wheelbase (ft / m) | 23.75 |
Ratio of driving wheelbase to overall engine wheelbase | 0.57 |
Overall Wheelbase (engine & tender) (ft / m) | 23.75 |
Axle Loading (Maximum Weight per Axle) (lbs / kg) | 31,920 / 14,479 |
Weight on Drivers (lbs / kg) | 92,008 |
Engine Weight (lbs / kg) | 125,440 / 56,899 |
Tender Loaded Weight (lbs / kg) | |
Total Engine and Tender Weight (lbs / kg) | 125,440 / 56,899 |
Tender Water Capacity (gals / ML) | 1620 / 6.14 |
Tender Fuel Capacity (oil/coal) (gals/tons / Liters/MT) | 3.30 / 3 |
Minimum weight of rail (calculated) (lb/yd / kg/m) | 51 / 25.50 |
Geometry Relating to Tractive Effort | |
Driver Diameter (in / mm) | 51 / 1295 |
Boiler Pressure (psi / kPa) | 175 / 12.10 |
High Pressure Cylinders (dia x stroke) (in / mm) | 17" x 24" / 432x610 |
Tractive Effort (lbs / kg) | 20,230 / 9176.18 |
Factor of Adhesion (Weight on Drivers/Tractive Effort) | 4.55 |
Heating Ability | |
Tubes (number - dia) (in / mm) | 212 - 1.75" / 44 |
Flues (number - dia) (in / mm) | |
Flue/Tube length (ft / m) | 10.45 / 3.19 |
Firebox Area (sq ft / m2) | 71.70 / 6.66 |
Grate Area (sq ft / m2) | 16.30 / 1.51 |
Evaporative Heating Surface (sq ft / m2) | 1087 / 100.98 |
Superheating Surface (sq ft / m2) | |
Combined Heating Surface (sq ft / m2) | 1087 / 100.98 |
Evaporative Heating Surface/Cylinder Volume | 172.40 |
Computations Relating to Power Output (More Information) | |
Robert LeMassena's Power Computation | 2853 |
Same as above plus superheater percentage | 2853 |
Same as above but substitute firebox area for grate area | 12,548 |
Power L1 | 3410 |
Power MT | 245.12 |