Portuguese Government 0-8-0 Locomotives in Portugal
Class Details by Steve Llanso of Sweat House Media
Class unknown (Locobase 15519)
Data from SACM diagram Nr.80 from Societe Alsacienne de Constructions Mecaniques from locomotive book supplied by Dany Machi up at [
] as
Diagrammes des machines SACM construites a GRAFENSTADEN (October 2007).
Tube diameter is the interior measurement. The diagram show a long, low boiler with Belpaire firebox and a big steam dome just behind the stack
| Principal Dimensions by Steve Llanso of Middle Run Media | |
|---|---|
| Class | unknown |
| Locobase ID | 15519 |
| Railroad | Portuguese Government |
| Country | Portugal |
| Whyte | 0-8-0 |
| Number in Class | |
| Road Numbers | |
| Gauge | Std |
| Number Built | |
| Builder | SACM |
| Year | |
| Valve Gear | Stephenson |
| Locomotive Length and Weight | |
| Driver Wheelbase (ft / m) | 13.55 / 4.13 |
| Engine Wheelbase (ft / m) | 13.55 / 4.13 |
| Ratio of driving wheelbase to overall engine wheelbase | 1 |
| Overall Wheelbase (engine & tender) (ft / m) | 36.65 / 11.17 |
| Axle Loading (Maximum Weight per Axle) (lbs / kg) | |
| Weight on Drivers (lbs / kg) | 106,704 / 48,400 |
| Engine Weight (lbs / kg) | 106,704 / 48,400 |
| Tender Loaded Weight (lbs / kg) | 48,612 / 22,050 |
| Total Engine and Tender Weight (lbs / kg) | 155,316 / 70,450 |
| Tender Water Capacity (gals / ML) | 2138 / 8.10 |
| Tender Fuel Capacity (oil/coal) (gals/tons / Liters/MT) | 3.30 / 3 |
| Minimum weight of rail (calculated) (lb/yd / kg/m) | 44 / 22 |
| Geometry Relating to Tractive Effort | |
| Driver Diameter (in / mm) | 51.20 / 1300 |
| Boiler Pressure (psi / kPa) | 145 / 1000 |
| High Pressure Cylinders (dia x stroke) (in / mm) | 19.69" x 25.98" / 500x660 |
| Tractive Effort (lbs / kg) | 24,246 / 10997.81 |
| Factor of Adhesion (Weight on Drivers/Tractive Effort) | 4.40 |
| Heating Ability | |
| Tubes (number - dia) (in / mm) | 208 - 1.772" / 45 |
| Flues (number - dia) (in / mm) | |
| Flue/Tube length (ft / m) | 16.96 / 5.17 |
| Firebox Area (sq ft / m2) | 102.47 / 9.52 |
| Grate Area (sq ft / m2) | 22.60 / 2.10 |
| Evaporative Heating Surface (sq ft / m2) | 1739 / 161.54 |
| Superheating Surface (sq ft / m2) | |
| Combined Heating Surface (sq ft / m2) | 1739 / 161.54 |
| Evaporative Heating Surface/Cylinder Volume | 189.93 |
| Computations Relating to Power Output (More Information) | |
| Robert LeMassena's Power Computation | 3277 |
| Same as above plus superheater percentage | 3277 |
| Same as above but substitute firebox area for grate area | 14,858 |
| Power L1 | 3042 |
| Power MT | 251.40 |