Data from diagram No 124, Societe Alsacienne de Constructions Mecaniques from locomotive book supplied by Dany Machi up at [] as
Diagrammes des machines SACM construites a GRAFENSTADEN (October 2007). See also the blog "Los Trenes de Pe'arroya" at [], last accessed 15 November 2013.
The Sociedad Minera y Metal+rgica de Pe'arroya built a network of railways on both broad and narrow gauges widths. This set of eight-coupleds served the narrow-gauge lines.
| Principal Dimensions by Steve Llanso of Middle Run Media | |
|---|---|
| Class | Pe'arroya |
| Locobase ID | 15605 |
| Railroad | Pe'arroya a Puertollano |
| Country | Spain |
| Whyte | 0-8-0T |
| Number in Class | 5 |
| Road Numbers | 8-9, 16-18 |
| Gauge | Metre |
| Number Built | 5 |
| Builder | SACM |
| Year | 1900 |
| Valve Gear | Stephenson |
| Locomotive Length and Weight | |
| Driver Wheelbase (ft / m) | 8.53 / 2.60 |
| Engine Wheelbase (ft / m) | 8.53 / 2.60 |
| Ratio of driving wheelbase to overall engine wheelbase | 1 |
| Overall Wheelbase (engine & tender) (ft / m) | 8.53 / 2.60 |
| Axle Loading (Maximum Weight per Axle) (lbs / kg) | |
| Weight on Drivers (lbs / kg) | 71,430 / 32,400 |
| Engine Weight (lbs / kg) | 71,430 / 32,400 |
| Tender Loaded Weight (lbs / kg) | |
| Total Engine and Tender Weight (lbs / kg) | |
| Tender Water Capacity (gals / ML) | 1056 / 4 |
| Tender Fuel Capacity (oil/coal) (gals/tons / Liters/MT) | 1.10 / 1 |
| Minimum weight of rail (calculated) (lb/yd / kg/m) | 30 / 15 |
| Geometry Relating to Tractive Effort | |
| Driver Diameter (in / mm) | 35.40 / 900 |
| Boiler Pressure (psi / kPa) | 169.70 / 1170 |
| High Pressure Cylinders (dia x stroke) (in / mm) | 13.78" x 16.54" / 350x420 |
| Tractive Effort (lbs / kg) | 12,798 / 5805.08 |
| Factor of Adhesion (Weight on Drivers/Tractive Effort) | 5.58 |
| Heating Ability | |
| Tubes (number - dia) (in / mm) | 136 - 1.614" / 41 |
| Flues (number - dia) (in / mm) | |
| Flue/Tube length (ft / m) | 10.17 / 3.10 |
| Firebox Area (sq ft / m2) | 66.74 / 6.20 |
| Grate Area (sq ft / m2) | 12.81 / 1.19 |
| Evaporative Heating Surface (sq ft / m2) | 651 / 60.46 |
| Superheating Surface (sq ft / m2) | |
| Combined Heating Surface (sq ft / m2) | 651 / 60.46 |
| Evaporative Heating Surface/Cylinder Volume | 228.02 |
| Computations Relating to Power Output (More Information) | |
| Robert LeMassena's Power Computation | 2174 |
| Same as above plus superheater percentage | 2174 |
| Same as above but substitute firebox area for grate area | 11,326 |
| Power L1 | 3453 |
| Power MT | 426.29 |