Data from "New 4-8-0 Type Locomotives for the Madras & Southern Mahratta Railway", Railway Engineer, Volume 46, No 7 (July 1925), pp. 243-245.
| Principal Dimensions by Steve Llanso of Middle Run Media | |
|---|---|
| Class | 500 |
| Locobase ID | 20912 |
| Railroad | Madras & Southern Mahratta |
| Country | India |
| Whyte | 4-8-0 |
| Number in Class | 4 |
| Road Numbers | |
| Gauge | Metre |
| Number Built | 4 |
| Builder | WG Bagnall |
| Year | 1925 |
| Valve Gear | Stephenson |
| Locomotive Length and Weight | |
| Driver Wheelbase (ft / m) | 12 / 3.66 |
| Engine Wheelbase (ft / m) | 20.50 / 6.25 |
| Ratio of driving wheelbase to overall engine wheelbase | 0.59 |
| Overall Wheelbase (engine & tender) (ft / m) | 42.31 / 12.90 |
| Axle Loading (Maximum Weight per Axle) (lbs / kg) | 19,488 / 8840 |
| Weight on Drivers (lbs / kg) | 77,280 / 35,054 |
| Engine Weight (lbs / kg) | 95,872 / 43,487 |
| Tender Loaded Weight (lbs / kg) | 65,408 / 29,669 |
| Total Engine and Tender Weight (lbs / kg) | 161,280 / 73,156 |
| Tender Water Capacity (gals / ML) | 3180 / 12.05 |
| Tender Fuel Capacity (oil/coal) (gals/tons / Liters/MT) | 4.95 / 4.50 |
| 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 / 1100 |
| High Pressure Cylinders (dia x stroke) (in / mm) | 17" x 22" / 432x559 |
| Tractive Effort (lbs / kg) | 19,215 / 8715.79 |
| Factor of Adhesion (Weight on Drivers/Tractive Effort) | 4.02 |
| Heating Ability | |
| Tubes (number - dia) (in / mm) | |
| Flues (number - dia) (in / mm) | |
| Flue/Tube length (ft / m) | |
| Firebox Area (sq ft / m2) | 124 / 11.52 |
| Grate Area (sq ft / m2) | 16.60 / 1.54 |
| Evaporative Heating Surface (sq ft / m2) | 909 / 84.45 |
| Superheating Surface (sq ft / m2) | 150 / 13.94 |
| Combined Heating Surface (sq ft / m2) | 1059 / 98.39 |
| Evaporative Heating Surface/Cylinder Volume | 157.28 |
| Computations Relating to Power Output (More Information) | |
| Robert LeMassena's Power Computation | 2656 |
| Same as above plus superheater percentage | 3028 |
| Same as above but substitute firebox area for grate area | 22,618 |
| Power L1 | 5978 |
| Power MT | 682.15 |