Data from scale drawing on [] includes a short description.
These tiny engines served on construction sites for the SJ for decades. After retirement, one of the boilers was later used to heat a greenhouse.
| Principal Dimensions by Steve Llanso of Middle Run Media | |
|---|---|
| Class | ByCF6 |
| Locobase ID | 3298 |
| Railroad | Statens Jarnvagar (SJ) |
| Country | Sweden |
| Whyte | 0-4-0T |
| Number in Class | 8 |
| Road Numbers | |
| Gauge | 60 cm |
| Number Built | 8 |
| Builder | Orenstein & Koppel |
| Year | 1912 |
| Valve Gear | Walschaert |
| Locomotive Length and Weight | |
| Driver Wheelbase (ft / m) | 3.94 / 1.20 |
| Engine Wheelbase (ft / m) | 3.94 / 1.20 |
| Ratio of driving wheelbase to overall engine wheelbase | 1 |
| Overall Wheelbase (engine & tender) (ft / m) | |
| Axle Loading (Maximum Weight per Axle) (lbs / kg) | |
| Weight on Drivers (lbs / kg) | 12,319 / 5588 |
| Engine Weight (lbs / kg) | 12,319 / 5588 |
| Tender Loaded Weight (lbs / kg) | |
| Total Engine and Tender Weight (lbs / kg) | |
| Tender Water Capacity (gals / ML) | 100 / 0.38 |
| Tender Fuel Capacity (oil/coal) (gals/tons / Liters/MT) | 0.10 |
| Minimum weight of rail (calculated) (lb/yd / kg/m) | 10 / 5 |
| Geometry Relating to Tractive Effort | |
| Driver Diameter (in / mm) | 21.70 / 550 |
| Boiler Pressure (psi / kPa) | 145 / 1000 |
| High Pressure Cylinders (dia x stroke) (in / mm) | 5.71" x 10.24" / 145x260 |
| Tractive Effort (lbs / kg) | 1896 / 860.01 |
| Factor of Adhesion (Weight on Drivers/Tractive Effort) | 6.50 |
| 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) | 2.69 / 0.25 |
| Evaporative Heating Surface (sq ft / m2) | 74 / 6.88 |
| Superheating Surface (sq ft / m2) | |
| Combined Heating Surface (sq ft / m2) | 74 / 6.88 |
| Evaporative Heating Surface/Cylinder Volume | 243.83 |
| Computations Relating to Power Output (More Information) | |
| Robert LeMassena's Power Computation | 390 |
| Same as above plus superheater percentage | 390 |
| Same as above but substitute firebox area for grate area | |
| Power L1 | |
| Power MT | |