Bilbao a Portugalete 2-4-0 Locomotives in Spain
Class Details by Steve Llanso of Sweat House Media
Class 8/120-0221/0232 (Locobase 3338)
Data from [
] . There were two batches, one set of four in 1892-1893 and a later pair that arrived in 1896 and 1901. The first four were named Zorroza, Luchana, Olavega, and Cantalojas. The 1901 engine was called Miravilla.
The 1896-1901 locomotives (later classed by RENFE as 021-0231) were slightly heavier, weighing 56,782 lb on the drivers, 62,497 lb empty, and 80,524 lb in working order. They were otherwise identical to the 1892 quartet.
| Principal Dimensions by Steve Llanso of Middle Run Media | |
|---|---|
| Class | 8/120-0221/0232 |
| Locobase ID | 3338 |
| Railroad | Bilbao a Portugalete |
| Country | Spain |
| Whyte | 2-4-0T |
| Number in Class | 6 |
| Road Numbers | 8-11, 12, 14 |
| Gauge | 5'6" |
| Number Built | 6 |
| Builder | Sharp, Stewart |
| Year | 1892 |
| Valve Gear | Stephenson |
| Locomotive Length and Weight | |
| Driver Wheelbase (ft / m) | 12.29 / 3.75 |
| Engine Wheelbase (ft / m) | 12.29 / 3.75 |
| Ratio of driving wheelbase to overall engine wheelbase | 1 |
| Overall Wheelbase (engine & tender) (ft / m) | 12.29 / 3.75 |
| Axle Loading (Maximum Weight per Axle) (lbs / kg) | 26,885 / 12,195 |
| Weight on Drivers (lbs / kg) | 53,724 / 24,369 |
| Engine Weight (lbs / kg) | 79,366 / 36,000 |
| Tender Loaded Weight (lbs / kg) | |
| Total Engine and Tender Weight (lbs / kg) | |
| Tender Water Capacity (gals / ML) | 1188 / 4.50 |
| Tender Fuel Capacity (oil/coal) (gals/tons / Liters/MT) | 1.70 / 2 |
| Minimum weight of rail (calculated) (lb/yd / kg/m) | 45 / 22.50 |
| Geometry Relating to Tractive Effort | |
| Driver Diameter (in / mm) | 54 / 1372 |
| Boiler Pressure (psi / kPa) | 145 / 1000 |
| High Pressure Cylinders (dia x stroke) (in / mm) | 15" x 20" / 381x508 |
| Tractive Effort (lbs / kg) | 10,271 / 4658.85 |
| Factor of Adhesion (Weight on Drivers/Tractive Effort) | 5.23 |
| Heating Ability | |
| Tubes (number - dia) (in / mm) | 166 - 1.732" / 44 |
| Flues (number - dia) (in / mm) | |
| Flue/Tube length (ft / m) | 9.19 / 2.80 |
| Firebox Area (sq ft / m2) | 66.74 / 6.20 |
| Grate Area (sq ft / m2) | 11.09 / 1.03 |
| Evaporative Heating Surface (sq ft / m2) | 771 / 71.60 |
| Superheating Surface (sq ft / m2) | |
| Combined Heating Surface (sq ft / m2) | 771 / 71.60 |
| Evaporative Heating Surface/Cylinder Volume | 188.48 |
| Computations Relating to Power Output (More Information) | |
| Robert LeMassena's Power Computation | 1608 |
| Same as above plus superheater percentage | 1608 |
| Same as above but substitute firebox area for grate area | 9677 |
| Power L1 | 3524 |
| Power MT | 289.22 |