Data from "Rolling Stock of the Stockholm-Vesteras-Bergslagens Ry", The Locomotive Magazine, Volume XII [12] (15 October 1906), p. 178; and "Current Topics", Cassier's Magazine, Volume XXXII , [32], No. 3 (July 1907), pp. 285-286.
One of the very few single-cylinder steam locomotives Locobase has encountered, this little assembly consisted of a lightweight engine car and a small trailing coach. The locomotive had a horizontal boiler, bicycle-size drivers. It had a tall stack behind the boiler and firebox.
Two seats located over the drivers allowed for close inspection of the rails at speeds of between 17-18 mph (27.3-29 kph). The trailing car held a sofa, chair, table, washstand and room for five people. In favourable weather, Cassier's reported, the little vehicle could reach 34-37 mph (55-60 kph). The magazine added that the steam motor was also "used occasionally for ordinary passenger travel".
Principal Dimensions by Steve Llanso of Middle Run Media | |
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Class | Steam motor & Inspection car |
Locobase ID | 10588 |
Railroad | Stockholm-Vasteras-Bergslagens (SWB) |
Country | Sweden |
Whyte | 0-2-2+4T |
Number in Class | 1 |
Road Numbers | |
Gauge | Std |
Number Built | 1 |
Builder | |
Year | 1906 |
Valve Gear | |
Locomotive Length and Weight | |
Driver Wheelbase (ft / m) | |
Engine Wheelbase (ft / m) | 4.99 / 1.52 |
Ratio of driving wheelbase to overall engine wheelbase | |
Overall Wheelbase (engine & tender) (ft / m) | 15.49 / 4.72 |
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) | 193 / 0.73 |
Tender Fuel Capacity (oil/coal) (gals/tons / Liters/MT) | 0.40 |
Minimum weight of rail (calculated) (lb/yd / kg/m) | |
Geometry Relating to Tractive Effort | |
Driver Diameter (in / mm) | 24 / 610 |
Boiler Pressure (psi / kPa) | 159.50 / 1100 |
High Pressure Cylinders (dia x stroke) (in / mm) | 3.94" x 6.89" / 100x175 (1) |
Tractive Effort (lbs / kg) | 302 / 136.99 |
Factor of Adhesion (Weight on Drivers/Tractive Effort) | |
Heating Ability | |
Tubes (number - dia) (in / mm) | 26 - 1.378" / 35 |
Flues (number - dia) (in / mm) | |
Flue/Tube length (ft / m) | 2.20 / 0.67 |
Firebox Area (sq ft / m2) | |
Grate Area (sq ft / m2) | 1.61 / 0.15 |
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 | 257 |
Same as above plus superheater percentage | 257 |
Same as above but substitute firebox area for grate area | |
Power L1 | |
Power MT |