Portuguese Royal Company 2-4-0 Locomotives in Spain
Class Details by Steve Llanso of Sweat House Media
Class 120-2131 (Locobase 3401)
Data from Muy Interesante section of the RENFE website no longer on the web, confirmed and supplemented by MATERIAL MOTOR RENFE 1947 diagram book posted by carlos lavagoneta arroba and retrieved from Picasa [
], last accessed 1 June 2014., p. 72.
Later information from [], last accessed 8 June 2007 says that five locomotives came into RENFE. They originally served the Portuguese Royal Company, then the FC Madrid a Caceres y Portugal. This latter railway was taken into the FC del Oeste.
| Principal Dimensions by Steve Llanso of Middle Run Media | |
|---|---|
| Class | 120-2131 |
| Locobase ID | 3401 |
| Railroad | Portuguese Royal Company (Oeste) |
| Country | Spain |
| Whyte | 2-4-0 |
| Number in Class | 13 |
| Road Numbers | 73-85 |
| Gauge | 5'6" |
| Number Built | 13 |
| Builder | Esslingen |
| Year | 1884 |
| Valve Gear | Stephenson |
| Locomotive Length and Weight | |
| Driver Wheelbase (ft / m) | 7.04 / 2.15 |
| Engine Wheelbase (ft / m) | 13.12 / 4 |
| Ratio of driving wheelbase to overall engine wheelbase | 0.54 |
| Overall Wheelbase (engine & tender) (ft / m) | 33.20 / 10.12 |
| Axle Loading (Maximum Weight per Axle) (lbs / kg) | 28,219 / 12,800 |
| Weight on Drivers (lbs / kg) | 56,438 / 25,600 |
| Engine Weight (lbs / kg) | 80,358 / 36,450 |
| Tender Loaded Weight (lbs / kg) | 58,422 / 26,500 |
| Total Engine and Tender Weight (lbs / kg) | 138,780 / 62,950 |
| Tender Water Capacity (gals / ML) | 1819 / 6.89 |
| Tender Fuel Capacity (oil/coal) (gals/tons / Liters/MT) | 7.70 / 7 |
| Minimum weight of rail (calculated) (lb/yd / kg/m) | 47 / 23.50 |
| Geometry Relating to Tractive Effort | |
| Driver Diameter (in / mm) | 57.10 / 1450 |
| Boiler Pressure (psi / kPa) | 130.50 / 900 |
| High Pressure Cylinders (dia x stroke) (in / mm) | 17.32" x 26.77" / 440x680 |
| Tractive Effort (lbs / kg) | 15,600 / 7076.05 |
| Factor of Adhesion (Weight on Drivers/Tractive Effort) | 3.62 |
| Heating Ability | |
| Tubes (number - dia) (in / mm) | 212 - 1.969" / 50 |
| Flues (number - dia) (in / mm) | |
| Flue/Tube length (ft / m) | 12.60 / 3.84 |
| Firebox Area (sq ft / m2) | 97.74 / 9.08 |
| Grate Area (sq ft / m2) | 22.50 / 2.09 |
| Evaporative Heating Surface (sq ft / m2) | 1469 / 136.43 |
| Superheating Surface (sq ft / m2) | |
| Combined Heating Surface (sq ft / m2) | 1469 / 136.43 |
| Evaporative Heating Surface/Cylinder Volume | 201.23 |
| Computations Relating to Power Output (More Information) | |
| Robert LeMassena's Power Computation | 2936 |
| Same as above plus superheater percentage | 2936 |
| Same as above but substitute firebox area for grate area | 12,755 |
| Power L1 | 3331 |
| Power MT | 260.24 |