Berner tramway 0-6-0 Locomotives in Switzerland
Class Details by Steve Llanso of Sweat House Media
Class 12 (Locobase 9688)
Data from [
], last accessed 26 November 2008.
Used only for 8 years in tram-pulling service, this little locomotive was then adapted for snowplowing and other service functions on the Berne tram system. From 1908 to 1943, it operated on a sawmill property in Biel-Met.
From 1943, the locomotive has been displayed in the Zurich Railway Museum (1943-1959), Winterthur (1959-1972), and at Blonay-Chamby (1972-1983), back in Winterthur before the Technorama display (1983-1994) and finally back to Berne to be restored (1995-2002) and operated.
Also see [] -- the Trams of Geneva website (accessed 22 Jan 2006).
| Principal Dimensions by Steve Llanso of Middle Run Media | |
|---|---|
| Class | 12 |
| Locobase ID | 9688 |
| Railroad | Berner tramway |
| Country | Switzerland |
| Whyte | 0-6-0T |
| Number in Class | 1 |
| Road Numbers | 12 |
| Gauge | Std |
| Number Built | 1 |
| Builder | SLM |
| Year | 1894 |
| Valve Gear | |
| Locomotive Length and Weight | |
| Driver Wheelbase (ft / m) | 2.95 / 0.90 |
| Engine Wheelbase (ft / m) | 2.95 / 0.90 |
| Ratio of driving wheelbase to overall engine wheelbase | 1 |
| Overall Wheelbase (engine & tender) (ft / m) | 29.53 / 9 |
| Axle Loading (Maximum Weight per Axle) (lbs / kg) | |
| Weight on Drivers (lbs / kg) | 35,274 / 16,000 |
| Engine Weight (lbs / kg) | 35,274 / 16,000 |
| Tender Loaded Weight (lbs / kg) | |
| Total Engine and Tender Weight (lbs / kg) | 35,274 / 16,000 |
| Tender Water Capacity (gals / ML) | 422 / 1.60 |
| Tender Fuel Capacity (oil/coal) (gals/tons / Liters/MT) | 0.40 |
| Minimum weight of rail (calculated) (lb/yd / kg/m) | 20 / 10 |
| Geometry Relating to Tractive Effort | |
| Driver Diameter (in / mm) | 29.10 / 740 |
| Boiler Pressure (psi / kPa) | 217.60 / 1500 |
| High Pressure Cylinders (dia x stroke) (in / mm) | 9.45" x 13.78" / 240x350 |
| Tractive Effort (lbs / kg) | 7822 / 3548.00 |
| Factor of Adhesion (Weight on Drivers/Tractive Effort) | 4.51 |
| Heating Ability | |
| Tubes (number - dia) (in / mm) | |
| Flues (number - dia) (in / mm) | |
| Flue/Tube length (ft / m) | |
| Firebox Area (sq ft / m2) | |
| Grate Area (sq ft / m2) | 4.84 / 0.45 |
| Evaporative Heating Surface (sq ft / m2) | |
| Superheating Surface (sq ft / m2) | |
| Combined Heating Surface (sq ft / m2) | |
| Evaporative Heating Surface/Cylinder Volume | |
| Computations Relating to Power Output (More Information) | |
| Robert LeMassena's Power Computation | 1053 |
| Same as above plus superheater percentage | 1053 |
| Same as above but substitute firebox area for grate area | |
| Power L1 | |
| Power MT | |