Malang Stoomtram Mij / Modjokerto Stoomtram Mij 0-4-0 Locomotives in Indonesia
Class Details by Steve Llanso of Sweat House Media
Class B17 (Locobase 4713)
Data from Dr Jonathan Smith, [
]; tables don't separate EHS and SHS.
See Indra Krishnamurti at [] for building dates and numbers both of predecessor railways and the Indonesian State Railways.
"Tram" engines substituted for electric trolleys in many parts of Indonesia. The B17s had a boiler completely enclosed by a cab and low side tanks to shield pedestrians from the running gear. Photographs in Ziel and Eagleson (1973) suggest that the passenger trams had an engine coupled to each end.
Class B21 (Locobase 4715)
Data from [] . See Indra Krishnamurti at [] for building dates and numbers both of predecessor railways and the Indonesian State Railways.
One of several classes of light tram motive-power units. These consisted of a steam locomotive enclosed in a body that had low side tanks to shield pedestrians from the running gear. Photographs in Ziel and Eagleson (1973) suggest that the passenger trams had an engine coupled to each end.
| Principal Dimensions by Steve Llanso of Middle Run Media | ||
|---|---|---|
| Class | B17 | B21 |
| Locobase ID | 4713 | 4715 |
| Railroad | Malang Stoomtram Mij | Modjokerto Stoomtram Mij |
| Country | Indonesia | Indonesia |
| Whyte | 0-4-0T | 0-4-0T |
| Number in Class | 10 | 8 |
| Road Numbers | MS 1-MS 13/B1701-1710 | 1, 5-10/B2101-B2108 |
| Gauge | 3'6" | 3'6" |
| Number Built | 10 | 8 |
| Builder | Hohenzollern | Krauss |
| Year | 1897 | 1899 |
| 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) | 44,092 / 20,000 | 35,274 / 16,000 |
| Engine Weight (lbs / kg) | 44,092 / 20,000 | 35,274 / 16,000 |
| 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) | 37 / 18.50 | 29 / 14.50 |
| Geometry Relating to Tractive Effort | ||
| Driver Diameter (in / mm) | 33.50 / 850 | 31.90 / 810 |
| Boiler Pressure (psi / kPa) | 203 / 1400 | 170.70 / 1180 |
| High Pressure Cylinders (dia x stroke) (in / mm) | 10.63" x 15.75" / 270x400 | 10.45" x 15.75" / 265x400 |
| Tractive Effort (lbs / kg) | 9167 / 4158.09 | 7823 / 3548.46 |
| Factor of Adhesion (Weight on Drivers/Tractive Effort) | 4.81 | 4.51 |
| 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) | 7.53 / 0.70 | 5.70 / 0.53 |
| Evaporative Heating Surface (sq ft / m2) | 363 / 33.70 | 360 / 33.50 |
| Superheating Surface (sq ft / m2) | ||
| Combined Heating Surface (sq ft / m2) | 363 / 33.70 | 360 / 33.50 |
| Evaporative Heating Surface/Cylinder Volume | 224.38 | 230.26 |
| Computations Relating to Power Output (More Information) | ||
| Robert LeMassena's Power Computation | 1529 | 973 |
| Same as above plus superheater percentage | 1529 | 973 |
| Same as above but substitute firebox area for grate area | ||
| Power L1 | ||
| Power MT | ||