Samarang-Joana Stoomtram Mij 0-4-2 Locomotives in Indonesia
Class Details by Steve Llanso of Sweat House Media
Class B27 (Locobase 4718)
Data from [
], 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.
| Principal Dimensions by Steve Llanso of Middle Run Media | |
|---|---|
| Class | B27 |
| Locobase ID | 4718 |
| Railroad | Samarang-Joana Stoomtram Mij |
| Country | Indonesia |
| Whyte | 0-4-2T |
| Number in Class | 16 |
| Road Numbers | 201-216/B2701-B2716 |
| Gauge | 3'6" |
| Number Built | 16 |
| Builder | Hartmann |
| Year | 1912 |
| 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) | 35,715 / 16,200 |
| Engine Weight (lbs / kg) | 49,383 / 22,400 |
| 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) | 39.40 / 1001 |
| Boiler Pressure (psi / kPa) | 170.70 / 1180 |
| High Pressure Cylinders (dia x stroke) (in / mm) | 14.96" x 15.75" / 380x400 |
| Tractive Effort (lbs / kg) | 12,981 / 5888.09 |
| Factor of Adhesion (Weight on Drivers/Tractive Effort) | 2.75 |
| 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) | 8.61 / 0.80 |
| Evaporative Heating Surface (sq ft / m2) | 377 / 35 |
| Superheating Surface (sq ft / m2) | 108 / 10 |
| Combined Heating Surface (sq ft / m2) | 485 / 45 |
| Evaporative Heating Surface/Cylinder Volume | 117.66 |
| Computations Relating to Power Output (More Information) | |
| Robert LeMassena's Power Computation | 1470 |
| Same as above plus superheater percentage | 1793 |
| Same as above but substitute firebox area for grate area | |
| Power L1 | |
| Power MT | |