Data from Pieter Conradie's blog at [], last accessed 10 March 2009.
Principal Dimensions by Steve Llanso of Sweat House Media | |
---|---|
Class | Hope |
Locobase ID | 9977 |
Railroad | Walvis Bay |
Country | South Africa |
Whyte | 2-4-2T |
Number in Class | 1 |
Road Numbers | |
Gauge | 2' |
Number Built | 1 |
Builder | Kerr, Stuart & Co |
Year | 1899 |
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) | 3920 / 1778 |
Weight on Drivers (lbs / kg) | |
Engine Weight (lbs / kg) | 12,000 / 5443 |
Tender Loaded Weight (lbs / kg) | |
Total Engine and Tender Weight (lbs / kg) | 12,000 / 5443 |
Tender Water Capacity (gals / ML) | 120 / 0.45 |
Tender Fuel Capacity (oil/coal) (gals/tons / Liters/MT) | 0.30 / 0.30 |
Minimum weight of rail (calculated) (lb/yd / kg/m) | |
Geometry Relating to Tractive Effort | |
Driver Diameter (in / mm) | 24 / 610 |
Boiler Pressure (psi / kPa) | 120 / 8.30 |
High Pressure Cylinders (dia x stroke) (in / mm) | 6" x 10" / 152x254 |
Tractive Effort (lbs / kg) | 1530 / 694.00 |
Factor of Adhesion (Weight on Drivers/Tractive Effort) | |
Heating Ability | |
Tubes (number - dia) (in / mm) | 36 - 1.75" / 44 |
Flues (number - dia) (in / mm) | |
Flue/Tube length (ft / m) | 5.08 / 1.55 |
Firebox Area (sq ft / m2) | 19 / 1.77 |
Grate Area (sq ft / m2) | 3.50 / 0.33 |
Evaporative Heating Surface (sq ft / m2) | 102 / 9.48 |
Superheating Surface (sq ft / m2) | |
Combined Heating Surface (sq ft / m2) | 102 / 9.48 |
Evaporative Heating Surface/Cylinder Volume | 311.69 |
Computations Relating to Power Output (More Information) | |
Robert LeMassena's Power Computation | 420 |
Same as above plus superheater percentage | 420 |
Same as above but substitute firebox area for grate area | 2280 |
Power L1 | 2890 |
Power MT |