Data from E L Ahrons, The British Steam Locomotive from 1825 to 1925 (London: Ian Allan, 1926). Works numbers were 602-614 in 1872.
This class featured one of the smallest 2-4-0T designs to operate on the metre gauge.
| Principal Dimensions by Steve Llanso of Middle Run Media | |
|---|---|
| Class | A |
| Locobase ID | 3180 |
| Railroad | Indian State |
| Country | India |
| Whyte | 2-4-0T |
| Number in Class | 13 |
| Road Numbers | |
| Gauge | Metre |
| Number Built | 13 |
| Builder | Dubs & Co |
| Year | 1872 |
| Valve Gear | |
| Locomotive Length and Weight | |
| Driver Wheelbase (ft / m) | 5.50 / 1.68 |
| Engine Wheelbase (ft / m) | 11 / 3.35 |
| Ratio of driving wheelbase to overall engine wheelbase | 0.50 |
| Overall Wheelbase (engine & tender) (ft / m) | |
| Axle Loading (Maximum Weight per Axle) (lbs / kg) | |
| Weight on Drivers (lbs / kg) | 27,888 / 12,650 |
| Engine Weight (lbs / kg) | 39,536 / 17,933 |
| 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) | 42 / 1067 |
| Boiler Pressure (psi / kPa) | 120 / 830 |
| High Pressure Cylinders (dia x stroke) (in / mm) | 10" x 18" / 254x457 |
| Tractive Effort (lbs / kg) | 4371 / 1982.65 |
| Factor of Adhesion (Weight on Drivers/Tractive Effort) | 6.38 |
| Heating Ability | |
| Tubes (number - dia) (in / mm) | |
| Flues (number - dia) (in / mm) | |
| Flue/Tube length (ft / m) | |
| Firebox Area (sq ft / m2) | 31.50 / 2.93 |
| Grate Area (sq ft / m2) | 5.40 / 0.50 |
| Evaporative Heating Surface (sq ft / m2) | 362 / 33.64 |
| Superheating Surface (sq ft / m2) | |
| Combined Heating Surface (sq ft / m2) | 362 / 33.64 |
| Evaporative Heating Surface/Cylinder Volume | 221.24 |
| Computations Relating to Power Output (More Information) | |
| Robert LeMassena's Power Computation | 648 |
| Same as above plus superheater percentage | 648 |
| Same as above but substitute firebox area for grate area | 3780 |
| Power L1 | 2667 |
| Power MT | 421.67 |