Data from dspace.dial.pipex.com/javatour/ambarawa/locos/C1912.htm, a site for the Ambarawa Railway Museum maintained by Rob Dickinson. See also TecBook reprint of SSchsische Maschinenfabrik Richard Hartmann: alle 1910 catalogue,p. 32, previewed in Google Books (last accessed 11 December 2010).
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 | C19 |
| Locobase ID | 4731 |
| Railroad | Samarang-Joana Stoomtram Mij |
| Country | Indonesia |
| Whyte | 0-6-0T |
| Number in Class | 12 |
| Road Numbers | 101-112/C1901-1912 |
| Gauge | 3'6" |
| Number Built | 12 |
| Builder | Hartmann |
| Year | 1898 |
| Valve Gear | |
| Locomotive Length and Weight | |
| Driver Wheelbase (ft / m) | 6.56 / 2 |
| Engine Wheelbase (ft / m) | 6.56 / 2 |
| Ratio of driving wheelbase to overall engine wheelbase | 1 |
| Overall Wheelbase (engine & tender) (ft / m) | 6.56 / 2 |
| Axle Loading (Maximum Weight per Axle) (lbs / kg) | 14,462 / 6560 |
| Weight on Drivers (lbs / kg) | 42,946 / 19,480 |
| Engine Weight (lbs / kg) | 42,946 / 19,480 |
| Tender Loaded Weight (lbs / kg) | |
| Total Engine and Tender Weight (lbs / kg) | |
| Tender Water Capacity (gals / ML) | 462 / 1.75 |
| Tender Fuel Capacity (oil/coal) (gals/tons / Liters/MT) | 0.60 / 1 |
| Minimum weight of rail (calculated) (lb/yd / kg/m) | 24 / 12 |
| Geometry Relating to Tractive Effort | |
| Driver Diameter (in / mm) | 33.50 / 850 |
| Boiler Pressure (psi / kPa) | 169.70 / 1170 |
| High Pressure Cylinders (dia x stroke) (in / mm) | 11.81" x 13.78" / 300x350 |
| Tractive Effort (lbs / kg) | 8276 / 3753.93 |
| Factor of Adhesion (Weight on Drivers/Tractive Effort) | 5.19 |
| Heating Ability | |
| Tubes (number - dia) (in / mm) | |
| Flues (number - dia) (in / mm) | |
| Flue/Tube length (ft / m) | |
| Firebox Area (sq ft / m2) | 43.69 / 4.06 |
| Grate Area (sq ft / m2) | 9.15 / 0.85 |
| Evaporative Heating Surface (sq ft / m2) | 355 / 32.96 |
| Superheating Surface (sq ft / m2) | |
| Combined Heating Surface (sq ft / m2) | 355 / 32.96 |
| Evaporative Heating Surface/Cylinder Volume | 203.19 |
| Computations Relating to Power Output (More Information) | |
| Robert LeMassena's Power Computation | 1553 |
| Same as above plus superheater percentage | 1553 |
| Same as above but substitute firebox area for grate area | 7414 |
| Power L1 | 3110 |
| Power MT | 478.95 |