[] (accessed 20 Nov 2005) is the home of the L'isle region and, in particular, the Apples-L'Isle narrow-gauge railway conceived by the four Swiss communes Isle, Montricher, Pampigny, and Apples to connect that group to the Biere-Apples-Morges.
After a study of alternatives, the alignment was chosen and Pumpin and Herzog of Bern took on the construction of the line for a fixed price of 610,000 Swiss francs on 12 March 1896. But the railway failed to make money from the start. At the same time, the BAM was proceeding with its own construction and after the bank called in the loans of the failed Jura de Vaud Apples-L'Isle, the BAM took over that rail line as well.
The Lisle website describes the three locomotives that the BAM took delivery of on 1 July 1895 (works 883-885) and the one delivered to the Apples-L'Isle in 1897, but does not give cylinder or driving wheel dimensions. Locobase found [] (accessed 20 November 2005 as well) which describes the central Swiss Brunigbahn and the ten locomotives procured from SLM from 1887 to 1901. In addition, this site says, four more were supplied to the BAM and two to the CF de Montreux - Oberland Bernois (MOB). Locobase cannot swear that the cylinder and driver diameters were the same, but believes that it is likely that they were.
Principal Dimensions by Steve Llanso of Middle Run Media | |
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Class | 1 |
Locobase ID | 7125 |
Railroad | Biere-Apples-Morges |
Country | Switzerland |
Whyte | 0-6-0T |
Number in Class | 4 |
Road Numbers | 1-4 |
Gauge | Metre |
Number Built | 4 |
Builder | SLM |
Year | 1894 |
Valve Gear | |
Locomotive Length and Weight | |
Driver Wheelbase (ft / m) | 8.20 / 2.50 |
Engine Wheelbase (ft / m) | 8.20 / 2.50 |
Ratio of driving wheelbase to overall engine wheelbase | 1 |
Overall Wheelbase (engine & tender) (ft / m) | 8.20 / 2.50 |
Axle Loading (Maximum Weight per Axle) (lbs / kg) | |
Weight on Drivers (lbs / kg) | 55,997 / 25,400 |
Engine Weight (lbs / kg) | 55,997 / 25,400 |
Tender Loaded Weight (lbs / kg) | |
Total Engine and Tender Weight (lbs / kg) | |
Tender Water Capacity (gals / ML) | 686 / 2.60 |
Tender Fuel Capacity (oil/coal) (gals/tons / Liters/MT) | 0.60 / 1 |
Minimum weight of rail (calculated) (lb/yd / kg/m) | 31 / 15.50 |
Geometry Relating to Tractive Effort | |
Driver Diameter (in / mm) | 41.30 / 1050 |
Boiler Pressure (psi / kPa) | 203.10 / 1400 |
High Pressure Cylinders (dia x stroke) (in / mm) | 12.2" x 18.9" / 310x480 |
Tractive Effort (lbs / kg) | 11,759 / 5333.80 |
Factor of Adhesion (Weight on Drivers/Tractive Effort) | 4.76 |
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) | 8.61 / 0.80 |
Evaporative Heating Surface (sq ft / m2) | 607 / 56.40 |
Superheating Surface (sq ft / m2) | |
Combined Heating Surface (sq ft / m2) | 607 / 56.40 |
Evaporative Heating Surface/Cylinder Volume | 237.37 |
Computations Relating to Power Output (More Information) | |
Robert LeMassena's Power Computation | 1749 |
Same as above plus superheater percentage | 1749 |
Same as above but substitute firebox area for grate area | |
Power L1 | |
Power MT |