Data from Charles Alfred Opperman, Traite Complet des Chemins de Fer Economiques D' Interet Local (Paris: Imprimerie Pillet Fils Aine, 1873), pp.164-165.
See Locobase 11157 for a description of Vaessen's radial truck, which allowed the locomotive to negotiate sharper curves
| Principal Dimensions by Steve Llanso of Middle Run Media | |
|---|---|
| Class | Vaessen |
| Locobase ID | 11329 |
| Railroad | Liege-Limbourgeois |
| Country | Belgium |
| Whyte | 4-6-0T |
| Number in Class | |
| Road Numbers | |
| Gauge | Std |
| Number Built | |
| Builder | SA Saint Leonard |
| Year | 1867 |
| Valve Gear | Walschaert |
| Locomotive Length and Weight | |
| Driver Wheelbase (ft / m) | 9.19 / 2.80 |
| Engine Wheelbase (ft / m) | 17.88 / 5.45 |
| Ratio of driving wheelbase to overall engine wheelbase | 0.51 |
| Overall Wheelbase (engine & tender) (ft / m) | 17.88 / 5.45 |
| Axle Loading (Maximum Weight per Axle) (lbs / kg) | |
| Weight on Drivers (lbs / kg) | 81,571 / 37,000 |
| Engine Weight (lbs / kg) | 102,515 / 46,500 |
| Tender Loaded Weight (lbs / kg) | |
| Total Engine and Tender Weight (lbs / kg) | 102,515 / 46,500 |
| Tender Water Capacity (gals / ML) | 1320 / 5 |
| Tender Fuel Capacity (oil/coal) (gals/tons / Liters/MT) | 2.80 / 3 |
| Minimum weight of rail (calculated) (lb/yd / kg/m) | 45 / 22.50 |
| Geometry Relating to Tractive Effort | |
| Driver Diameter (in / mm) | 51.80 / 1315 |
| Boiler Pressure (psi / kPa) | 113.10 / 780 |
| High Pressure Cylinders (dia x stroke) (in / mm) | 18.11" x 24.02" / 460x610 |
| Tractive Effort (lbs / kg) | 14,620 / 6631.53 |
| Factor of Adhesion (Weight on Drivers/Tractive Effort) | 5.58 |
| Heating Ability | |
| Tubes (number - dia) (in / mm) | 179 - 1.969" / 50 |
| Flues (number - dia) (in / mm) | |
| Flue/Tube length (ft / m) | 12.04 / 3.67 |
| Firebox Area (sq ft / m2) | 102.97 / 9.57 |
| Grate Area (sq ft / m2) | 23.24 / 2.16 |
| Evaporative Heating Surface (sq ft / m2) | 1200 / 111.57 |
| Superheating Surface (sq ft / m2) | |
| Combined Heating Surface (sq ft / m2) | 1200 / 111.57 |
| Evaporative Heating Surface/Cylinder Volume | 167.57 |
| Computations Relating to Power Output (More Information) | |
| Robert LeMassena's Power Computation | 2628 |
| Same as above plus superheater percentage | 2628 |
| Same as above but substitute firebox area for grate area | 11,646 |
| Power L1 | 2338 |
| Power MT | 189.57 |