Data from E L Ahrons, The British Railway Locomotive, 1825-1925 (London: Locomotive Publishing Company, 1926).
Virtually identical to the O class 4-4-0s, but with much smaller drivers and a long gap between the lead truck and the first driver.
Principal Dimensions by Steve Llanso of Middle Run Media | |
---|---|
Class | Class O |
Locobase ID | 3184 |
Railroad | Indian State |
Country | India |
Whyte | 2-6-0 |
Number in Class | |
Road Numbers | |
Gauge | Metre |
Number Built | |
Builder | Neilson & Co |
Year | 1882 |
Valve Gear | Stephenson |
Locomotive Length and Weight | |
Driver Wheelbase (ft / m) | 7 / 2.13 |
Engine Wheelbase (ft / m) | 12.50 / 3.81 |
Ratio of driving wheelbase to overall engine wheelbase | 0.56 |
Overall Wheelbase (engine & tender) (ft / m) | |
Axle Loading (Maximum Weight per Axle) (lbs / kg) | |
Weight on Drivers (lbs / kg) | 41,104 / 18,644 |
Engine Weight (lbs / kg) | 49,728 / 22,556 |
Tender Loaded Weight (lbs / kg) | |
Total Engine and Tender Weight (lbs / kg) | |
Tender Water Capacity (gals / ML) | |
Tender Fuel Capacity (oil/coal) (gals/tons / Liters/MT) | |
Minimum weight of rail (calculated) (lb/yd / kg/m) | 23 / 11.50 |
Geometry Relating to Tractive Effort | |
Driver Diameter (in / mm) | 36 / 914 |
Boiler Pressure (psi / kPa) | 140 / 970 |
High Pressure Cylinders (dia x stroke) (in / mm) | 14" x 20" / 356x508 |
Tractive Effort (lbs / kg) | 12,958 / 5877.66 |
Factor of Adhesion (Weight on Drivers/Tractive Effort) | 3.17 |
Heating Ability | |
Tubes (number - dia) (in / mm) | |
Flues (number - dia) (in / mm) | |
Flue/Tube length (ft / m) | |
Firebox Area (sq ft / m2) | 57 / 5.30 |
Grate Area (sq ft / m2) | 10.50 / 0.98 |
Evaporative Heating Surface (sq ft / m2) | 569 / 52.88 |
Superheating Surface (sq ft / m2) | |
Combined Heating Surface (sq ft / m2) | 569 / 52.88 |
Evaporative Heating Surface/Cylinder Volume | 159.68 |
Computations Relating to Power Output (More Information) | |
Robert LeMassena's Power Computation | 1470 |
Same as above plus superheater percentage | 1470 |
Same as above but substitute firebox area for grate area | 7980 |
Power L1 | 2013 |
Power MT | 323.90 |