Deli Spoorweg Mij 0-4-4 Locomotives in Indonesia
Class Details by Steve Llanso of Sweat House Media
Class 26 (Locobase 4989)
Data from dspace.dial.pipex.com/javatour/ambarawa/locos/DSM28.htm, a site for the Ambarawa Railway Museum maintained by Rob Dickinson.
See Indra Krishnamurti at [
] for building dates and numbers both of predecessor railways and the Indonesian State Railways. He gives the works numbers as 1630-1632 (1903) and 1711 (1904)..
| Principal Dimensions by Steve Llanso of Middle Run Media | |
|---|---|
| Class | 26 |
| Locobase ID | 4989 |
| Railroad | Deli Spoorweg Mij |
| Country | Indonesia |
| Whyte | 0-4-4 |
| Number in Class | 4 |
| Road Numbers | 26-29 |
| Gauge | 3'6" |
| Number Built | 4 |
| Builder | Hohenzollern |
| Year | 1903 |
| Valve Gear | |
| Locomotive Length and Weight | |
| Driver Wheelbase (ft / m) | |
| Engine Wheelbase (ft / m) | |
| Ratio of driving wheelbase to overall engine wheelbase | |
| Overall Wheelbase (engine & tender) (ft / m) | |
| Axle Loading (Maximum Weight per Axle) (lbs / kg) | |
| Weight on Drivers (lbs / kg) | 36,596 / 16,600 |
| Engine Weight (lbs / kg) | 66,138 / 30,000 |
| 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) | 30 / 15 |
| Geometry Relating to Tractive Effort | |
| Driver Diameter (in / mm) | 47.20 / 1200 |
| Boiler Pressure (psi / kPa) | 170.70 / 1180 |
| High Pressure Cylinders (dia x stroke) (in / mm) | 11.61" x 15.75" / 295x400 |
| Tractive Effort (lbs / kg) | 6526 / 2960.15 |
| Factor of Adhesion (Weight on Drivers/Tractive Effort) | 5.61 |
| Heating Ability | |
| Tubes (number - dia) (in / mm) | |
| Flues (number - dia) (in / mm) | |
| Flue/Tube length (ft / m) | |
| Firebox Area (sq ft / m2) | |
| Grate Area (sq ft / m2) | 9.68 / 0.90 |
| Evaporative Heating Surface (sq ft / m2) | 486 / 45.20 |
| Superheating Surface (sq ft / m2) | |
| Combined Heating Surface (sq ft / m2) | 486 / 45.20 |
| Evaporative Heating Surface/Cylinder Volume | 251.83 |
| Computations Relating to Power Output (More Information) | |
| Robert LeMassena's Power Computation | 1652 |
| Same as above plus superheater percentage | 1652 |
| Same as above but substitute firebox area for grate area | |
| Power L1 | |
| Power MT | |