Data from "Locomotive for Soudan Expedition Railway", Engineer, Volume 82 (23 October 1896), p. 414. Works numbers were 1335-1336 in 1896.
Although accompanied by a handsome portrait of the Endeavour and a detailed specification, the Engineer report doesn't include any weights. The second locomotive took the name Enterprise.
But no doubt should be held that the doughty little Prairie tank would be equal (It was British ...) to the challenging operating environment. The report explains that the Wadi Halfa-Dongola line was "a very rough one, and laid with inexperienced labour and under most trying conditions generally." Its gradients achieved 2% in some places, sometimes combined with sharp curves.
| Principal Dimensions by Steve Llanso of Middle Run Media | |
|---|---|
| Class | Endeavour |
| Locobase ID | 20343 |
| Railroad | Sudan Expedition Railway |
| Country | Sudan |
| Whyte | 2-6-2T |
| Number in Class | |
| Road Numbers | |
| Gauge | 3'6" |
| Number Built | |
| Builder | Manning Wardle |
| Year | 1896 |
| Valve Gear | Walschaert |
| Locomotive Length and Weight | |
| Driver Wheelbase (ft / m) | 6.50 / 1.98 |
| Engine Wheelbase (ft / m) | 18.67 / 5.69 |
| Ratio of driving wheelbase to overall engine wheelbase | 0.35 |
| Overall Wheelbase (engine & tender) (ft / m) | 18.67 / 5.69 |
| Axle Loading (Maximum Weight per Axle) (lbs / kg) | |
| Weight on Drivers (lbs / kg) | |
| Engine Weight (lbs / kg) | |
| Tender Loaded Weight (lbs / kg) | |
| Total Engine and Tender Weight (lbs / kg) | |
| Tender Water Capacity (gals / ML) | 1080 / 4.09 |
| Tender Fuel Capacity (oil/coal) (gals/tons / Liters/MT) | |
| Minimum weight of rail (calculated) (lb/yd / kg/m) | |
| Geometry Relating to Tractive Effort | |
| Driver Diameter (in / mm) | 36 / 914 |
| Boiler Pressure (psi / kPa) | 140 / 970 |
| High Pressure Cylinders (dia x stroke) (in / mm) | 14" x 20" / 356x508 |
| Tractive Effort (lbs / kg) | 12,958 / 5877.66 |
| Factor of Adhesion (Weight on Drivers/Tractive Effort) | |
| Heating Ability | |
| Tubes (number - dia) (in / mm) | - 1.875" / 48 |
| Flues (number - dia) (in / mm) | |
| Flue/Tube length (ft / m) | 10.52 / 3.21 |
| Firebox Area (sq ft / m2) | 62 / 5.76 |
| Grate Area (sq ft / m2) | 9.25 / 0.86 |
| Evaporative Heating Surface (sq ft / m2) | 607 / 56.39 |
| Superheating Surface (sq ft / m2) | |
| Combined Heating Surface (sq ft / m2) | 607 / 56.39 |
| Evaporative Heating Surface/Cylinder Volume | 170.34 |
| Computations Relating to Power Output (More Information) | |
| Robert LeMassena's Power Computation | 1295 |
| Same as above plus superheater percentage | 1295 |
| Same as above but substitute firebox area for grate area | 8680 |
| Power L1 | 2162 |
| Power MT | |