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Sandy River & Rangeley Lakes No. 23
No. 23 of the Sandy River & Rangeley Lakes Railway was the largest two-foot gauge locomotive in the United States. It was built in 1913 by Baldwin for freight service with construction number 40733 for a cost of $7,62...
| Sandy River & Rangeley Lakes No. 23Remove | |
|---|---|
| Variant | Standard |
| Built | 1913 |
| Manufacturers | Baldwin |
| Wheel arrangement | 1C1 |
| Gauge | 610 mm |
| Length | |
| Service mass | 28576 kg |
| Top speed | |
| Power | |
| Engine |
General
| Property | Sandy River & Rangeley Lakes No. 23 Standard Remove |
|---|---|
| Built | 1913 |
| Manufacturers | Baldwin |
| Wheel arrangement | 2-6-2 (Prairie) |
| Gauge | 610 mm |
Dimensions and weights
| Property | Sandy River & Rangeley Lakes No. 23 Standard Remove |
|---|---|
| Wheelbase | 6.86 m |
| Total wheelbase | 12.37 m |
| Service mass | 28.6 t |
| Adhesion mass | 22.7 t |
| Total mass | 48.1 t |
| Rigid wheelbase | 2.59 m |
| Axle load | 7.6 t |
| Water capacity | 7,571 l |
| Fuel capacity | 2.7 t (coal) |
Boiler
| Property | Sandy River & Rangeley Lakes No. 23 Standard Remove |
|---|---|
| Grate area | 0.994 m² |
| Firebox surface | 5.574 m² |
| Tube heating surface | 70.699 m² |
| Evaporative heating surface | 76.273 m² |
| Total heating surface | 76.3 m² |
Power plant
| Property | Sandy River & Rangeley Lakes No. 23 Standard Remove |
|---|---|
| Driver diameter | 838 mm |
| Boiler pressure | 12.4 bar |
| Expansion type | simple expansion |
| Cylinders | two, 330 x 406 mm |
Power
| Property | Sandy River & Rangeley Lakes No. 23 Standard Remove |
|---|---|
| Power source | steam |
| Estimated power | 261 kW (355 PS) |
| Starting effort | 55.8 kN |
Calculated values
| Property | Sandy River & Rangeley Lakes No. 23 Standard Remove |
|---|---|
| Factor of adhesion | 1 : 3.99 |
| Optimal speed | 29 km/h |
| Power-to-weight ratio | 9.1 kW/t |
| Heating Surface Equivalent | 104.1 m² |
| Cylinder volume/HSE | 1 : 668.34 |
| Adhesive weight/Total | 1 : 1.26 |
| Tractive force/Heating surface | 1 : 15.27 |
| Grate area/Heating surface | 1 : 76.73 |
| Firebox/Tube surface | 1 : 12.68 |
