Data from [], last accessed 30 November 2008. Also see "Locomotives of the Minho and Douro Railway, Portugal,"The Locomotive Magazine, Vol VIII (13 June 1903), pp. 409-410.
Principal Dimensions by Steve Llanso of Sweat House Media | |
---|---|
Class | 21 |
Locobase ID | 9702 |
Railroad | Minho e Douro |
Country | Portugal |
Whyte | 0-6-0 |
Number in Class | 12 |
Road Numbers | 21-32 |
Gauge | 5'6" |
Number Built | 12 |
Builder | Beyer, Peacock |
Year | 1875 |
Valve Gear | Stephenson |
Locomotive Length and Weight | |
Driver Wheelbase (ft / m) | |
Engine Wheelbase (ft / m) | |
Ratio of driving wheelbase to overall engine wheelbase | |
Overall Wheelbase (engine & tender) (ft / m) | |
Axle Loading (Maximum Weight per Axle) (lbs / kg) | |
Weight on Drivers (lbs / kg) | 77,162 / 35,000 |
Engine Weight (lbs / kg) | 77,162 / 35,000 |
Tender Loaded Weight (lbs / kg) | 44,092 / 20,000 |
Total Engine and Tender Weight (lbs / kg) | 121,254 / 55,000 |
Tender Water Capacity (gals / ML) | 1848 / 7 |
Tender Fuel Capacity (oil/coal) (gals/tons / Liters/MT) | 3.30 / 3 |
Minimum weight of rail (calculated) (lb/yd / kg/m) | 43 / 21.50 |
Geometry Relating to Tractive Effort | |
Driver Diameter (in / mm) | 51 / 1295 |
Boiler Pressure (psi / kPa) | 111.70 / 7.70 |
High Pressure Cylinders (dia x stroke) (in / mm) | 18.39" x 24.02" / 467x610 |
Tractive Effort (lbs / kg) | 15,123 / 6859.69 |
Factor of Adhesion (Weight on Drivers/Tractive Effort) | 5.10 |
Heating Ability | |
Tubes (number - dia) (in / mm) | 172 - 1.772" / 45 |
Flues (number - dia) (in / mm) | |
Flue/Tube length (ft / m) | |
Firebox Area (sq ft / m2) | |
Grate Area (sq ft / m2) | 16.57 / 1.54 |
Evaporative Heating Surface (sq ft / m2) | 1220 / 113.40 |
Superheating Surface (sq ft / m2) | |
Combined Heating Surface (sq ft / m2) | 1220 / 113.40 |
Evaporative Heating Surface/Cylinder Volume | 165.21 |
Computations Relating to Power Output (More Information) | |
Robert LeMassena's Power Computation | 1851 |
Same as above plus superheater percentage | 1851 |
Same as above but substitute firebox area for grate area | |
Power L1 | |
Power MT |