Data from diagram No 106, Societe Alsacienne de Construction Mecaniques from SACM locomotive book supplied by Dany Machi up at [] as
Diagrammes des machines SACM construites a GRAFENSTADEN (October 2007). Works number was 7389 in 1925.
"Ronchamp" refers to a large coal-mining company in the Haute-Saone near the Swiss border. Its reserves consisted mainly of "charbon", a grade of coal with a carbon percentage between anthracite (the highest at between 93 and 97%) and lignite (50-60% carbon).
Data from diagram UG, Type 135, Societe Alsacienne de Constructions Mecaniques from locomotive book supplied by Dany Machi up at [] as
Diagrammes des machines SACM construites a GRAFENSTADEN (October 2007).
Locobase 15607 presents data and a brief description for Houilleres de Ronchamp #11., a very similar 0-4-0T. This current entry can't positively identify its subject, but its only signficant difference is weighing 350 kg (772 lb) more.
| Principal Dimensions by Steve Llanso of Middle Run Media | ||
|---|---|---|
| Class | 11 | 12? |
| Locobase ID | 15607 | 15578 |
| Railroad | Houilleres de Ronchamp | Houilleres de Ronchamp |
| Country | Germany | Germany |
| Whyte | 0-4-0T | 0-4-0T |
| Number in Class | 1 | |
| Road Numbers | 11 | |
| Gauge | Std | Std |
| Number Built | 1 | |
| Builder | SACM | SACM |
| Year | 1925 | 1927 |
| Valve Gear | Stephenson | Stephenson |
| Locomotive Length and Weight | ||
| Driver Wheelbase (ft / m) | 3.94 / 1.20 | 3.94 / 1.20 |
| Engine Wheelbase (ft / m) | 3.94 / 1.20 | 3.94 / 1.20 |
| Ratio of driving wheelbase to overall engine wheelbase | 1 | 1 |
| Overall Wheelbase (engine & tender) (ft / m) | 3.94 / 1.20 | 3.94 / 1.20 |
| Axle Loading (Maximum Weight per Axle) (lbs / kg) | ||
| Weight on Drivers (lbs / kg) | 18,960 / 8600 | 19,731 / 8950 |
| Engine Weight (lbs / kg) | 18,960 / 8600 | 19,731 / 8950 |
| Tender Loaded Weight (lbs / kg) | ||
| Total Engine and Tender Weight (lbs / kg) | ||
| Tender Water Capacity (gals / ML) | 251 / 0.95 | 251 / 0.95 |
| Tender Fuel Capacity (oil/coal) (gals/tons / Liters/MT) | 0.40 | |
| Minimum weight of rail (calculated) (lb/yd / kg/m) | 16 / 8 | 16 / 8 |
| Geometry Relating to Tractive Effort | ||
| Driver Diameter (in / mm) | 23.60 / 600 | 23.60 / 600 |
| Boiler Pressure (psi / kPa) | 127.60 / 880 | 127.60 / 880 |
| High Pressure Cylinders (dia x stroke) (in / mm) | 8.66" x 11.81" / 220x300 | 8.66" x 11.81" / 220x300 |
| Tractive Effort (lbs / kg) | 4070 / 1846.12 | 4070 / 1846.12 |
| Factor of Adhesion (Weight on Drivers/Tractive Effort) | 4.66 | 4.85 |
| Heating Ability | ||
| Tubes (number - dia) (in / mm) | 78 - 1.378" / 35 | 78 - 1.378" / 35 |
| Flues (number - dia) (in / mm) | ||
| Flue/Tube length (ft / m) | 7.55 / 2.30 | 7.55 / 2.30 |
| Firebox Area (sq ft / m2) | 24.76 / 2.30 | 24.76 / 2.30 |
| Grate Area (sq ft / m2) | 4.41 / 0.41 | 4.41 / 0.41 |
| Evaporative Heating Surface (sq ft / m2) | 237 / 22.02 | 237 / 22.02 |
| Superheating Surface (sq ft / m2) | ||
| Combined Heating Surface (sq ft / m2) | 237 / 22.02 | 237 / 22.02 |
| Evaporative Heating Surface/Cylinder Volume | 294.37 | 294.37 |
| Computations Relating to Power Output (More Information) | ||
| Robert LeMassena's Power Computation | 563 | 563 |
| Same as above plus superheater percentage | 563 | 563 |
| Same as above but substitute firebox area for grate area | 3159 | 3159 |
| Power L1 | 2249 | 2249 |
| Power MT | 523.02 | 502.58 |