Data from R M Livesey, "Rolling-Stock on the Principal Irish Narrow-Gauge Railways", Engineering, Volume 94, (2 August 1912), pp. 169-176, table on p. 175.
Hudson (aka Baltic) tanks of a rated power between the two classes of Adriatic tanks on the same railway (Locobase 2700-2701). SJ Carse, writing in the Railway Preservation Society of Ireland (RPSI)'s excellent journal Five Foot Three (appearing on [
Principal Dimensions by Steve Llanso of Sweat House Media | |
---|---|
Class | Class 4 |
Locobase ID | 2702 |
Railroad | County Donegal |
Country | Ireland |
Whyte | 4-6-4T |
Number in Class | 4 |
Road Numbers | 12-15 |
Gauge | 3' |
Number Built | 4 |
Builder | Nasmyth Wilson |
Year | 1904 |
Valve Gear | |
Locomotive Length and Weight | |
Driver Wheelbase (ft / m) | 9 / 2.74 |
Engine Wheelbase (ft / m) | 25.17 / 7.67 |
Ratio of driving wheelbase to overall engine wheelbase | 0.36 |
Overall Wheelbase (engine & tender) (ft / m) | 25.17 / 7.67 |
Axle Loading (Maximum Weight per Axle) (lbs / kg) | 19,712 / 8941 |
Weight on Drivers (lbs / kg) | 58,240 / 26,417 |
Engine Weight (lbs / kg) | 99,680 / 45,214 |
Tender Loaded Weight (lbs / kg) | |
Total Engine and Tender Weight (lbs / kg) | 99,680 / 45,214 |
Tender Water Capacity (gals / ML) | 1800 / 6.82 |
Tender Fuel Capacity (oil/coal) (gals/tons / Liters/MT) | 2.70 / 3 |
Minimum weight of rail (calculated) (lb/yd / kg/m) | 32 / 16 |
Geometry Relating to Tractive Effort | |
Driver Diameter (in / mm) | 45 / 1143 |
Boiler Pressure (psi / kPa) | 160 / 11 |
High Pressure Cylinders (dia x stroke) (in / mm) | 15" x 21" / 381x533 |
Tractive Effort (lbs / kg) | 14,280 / 6477.31 |
Factor of Adhesion (Weight on Drivers/Tractive Effort) | 4.08 |
Heating Ability | |
Tubes (number - dia) (in / mm) | |
Flues (number - dia) (in / mm) | |
Flue/Tube length (ft / m) | |
Firebox Area (sq ft / m2) | 80 / 7.43 |
Grate Area (sq ft / m2) | 12 / 1.11 |
Evaporative Heating Surface (sq ft / m2) | 723 / 67.17 |
Superheating Surface (sq ft / m2) | |
Combined Heating Surface (sq ft / m2) | 723 / 67.17 |
Evaporative Heating Surface/Cylinder Volume | 168.33 |
Computations Relating to Power Output (More Information) | |
Robert LeMassena's Power Computation | 1920 |
Same as above plus superheater percentage | 1920 |
Same as above but substitute firebox area for grate area | 12,800 |
Power L1 | 3137 |
Power MT | 356.24 |