FC Oeste 4-6-0 Locomotives in Argentina
Class Details by Steve Llanso of Sweat House Media
Class 12 / 27 (Locobase 11243)
Data from diagram supplied at the [
] site, last accessed 17 April 2010.
Originally delivered by Beyer, Peacock in 1905, superheated by the Oeste shops.
| Principal Dimensions by Steve Llanso of Middle Run Media | |
|---|---|
| Class | 12 / 27 |
| Locobase ID | 11243 |
| Railroad | FC Oeste |
| Country | Argentina |
| Whyte | 4-6-0 |
| Number in Class | 5 |
| Road Numbers | 3609, 3613, 3617 / 2701-2703 |
| Gauge | 5'6" |
| Number Built | |
| Builder | Oeste |
| Year | 1928 |
| Valve Gear | Stephenson |
| Locomotive Length and Weight | |
| Driver Wheelbase (ft / m) | 13.58 / 4.14 |
| Engine Wheelbase (ft / m) | 25.29 / 7.71 |
| Ratio of driving wheelbase to overall engine wheelbase | 0.54 |
| Overall Wheelbase (engine & tender) (ft / m) | 44.71 / 13.63 |
| Axle Loading (Maximum Weight per Axle) (lbs / kg) | 34,299 / 15,558 |
| Weight on Drivers (lbs / kg) | 101,889 / 46,216 |
| Engine Weight (lbs / kg) | 140,022 / 63,513 |
| Tender Loaded Weight (lbs / kg) | 79,124 / 35,890 |
| Total Engine and Tender Weight (lbs / kg) | 219,146 / 99,403 |
| Tender Water Capacity (gals / ML) | 3654 / 13.84 |
| Tender Fuel Capacity (oil/coal) (gals/tons / Liters/MT) | 5.60 / 5 |
| Minimum weight of rail (calculated) (lb/yd / kg/m) | 57 / 28.50 |
| Geometry Relating to Tractive Effort | |
| Driver Diameter (in / mm) | 68 / 1727 |
| Boiler Pressure (psi / kPa) | 203.10 / 1400 |
| High Pressure Cylinders (dia x stroke) (in / mm) | 19.02" x 25.98" / 483x660 (1) |
| Low Pressure Cylinders (dia x stroke) (in / mm) | 27.52" x 25.98" / 699x660 (1) |
| Tractive Effort (lbs / kg) | 16,147 / 7324.16 |
| Factor of Adhesion (Weight on Drivers/Tractive Effort) | 6.31 |
| Heating Ability | |
| Tubes (number - dia) (in / mm) | 136 - 1.89" / 48 |
| Flues (number - dia) (in / mm) | 21 - 5.236" / 133 |
| Flue/Tube length (ft / m) | |
| Firebox Area (sq ft / m2) | 134.93 / 12.54 |
| Grate Area (sq ft / m2) | 24.96 / 2.32 |
| Evaporative Heating Surface (sq ft / m2) | 1339 / 124.44 |
| Superheating Surface (sq ft / m2) | 264 / 24.52 |
| Combined Heating Surface (sq ft / m2) | 1603 / 148.96 |
| Evaporative Heating Surface/Cylinder Volume | 313.45 |
| Computations Relating to Power Output (More Information) | |
| Robert LeMassena's Power Computation | 5069 |
| Same as above plus superheater percentage | 5880 |
| Same as above but substitute firebox area for grate area | 31,789 |
| Power L1 | 11,298 |
| Power MT | 733.38 |