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Canadian National class S-1
The S-1 was the standard freight locomotive of all Canadian National predecessors from 1913 onwards. It was a Mikado with 63-inch drivers and 27 by 30-inch cylinders. The subclasses S-1-a to e were used by the Canadia...
| Canadian National class S-1Remove | |
|---|---|
| Variant | S-1-a and b |
| Built | 1913-1926 |
| Manufacturers | Canadian Locomotive Co.;Montreal Locomotive Works;ALCO;Baldwin;Canadian National |
| Wheel arrangement | 1D1 |
| Gauge | 1435 mm |
| Length | 23901 mm |
| Service mass | 125192 kg |
| Top speed | |
| Power | |
| Engine |
General
| Property | Canadian National class S-1S-1-a and b |
|---|---|
| Built | 1913-1926 |
| Manufacturers | Canadian Locomotive Co., Montreal Locomotive Works, ALCO, Baldwin, Canadian National |
| Wheel arrangement | 2-8-2 (Mikado) |
| Gauge | 1,435 mm |
Dimensions and weights
| Property | Canadian National class S-1S-1-a and b |
|---|---|
| Length | 23.90 m |
| Wheelbase | 10.69 m |
| Service mass | 125.2 t |
| Adhesion mass | 93 t |
| Total mass | 205.5 t |
| Rigid wheelbase | 5.03 m |
| Axle load | 23.2 t |
| Water capacity | 28,391 l |
| Fuel capacity | 12.7 t (coal) |
Boiler
| Property | Canadian National class S-1S-1-a and b |
|---|---|
| Grate area | 5.249 m² |
| Firebox surface | 23.114 m² |
| Tube heating surface | 313.102 m² |
| Evaporative heating surface | 336.216 m² |
| Superheater surface | 71.44 m² |
| Total heating surface | 407.7 m² |
Power plant
| Property | Canadian National class S-1S-1-a and b |
|---|---|
| Driver diameter | 1,600 mm |
| Boiler pressure | 12.1 bar |
| Expansion type | simple expansion |
| Cylinders | two, 686 x 762 mm |
Power
| Property | Canadian National class S-1S-1-a and b |
|---|---|
| Power source | steam |
| Estimated power | 1,696 kW (2,306 PS) |
| Starting effort | 229.7 kN |
Calculated values
| Property | Canadian National class S-1S-1-a and b |
|---|---|
| Factor of adhesion | 1 : 3.97 |
| Optimal speed | 45 km/h |
| Power-to-weight ratio | 13.5 kW/t |
| Heating Surface Equivalent | 594.7 m² |
| Cylinder volume/HSE | 1 : 946.67 |
| Adhesive weight/Total | 1 : 1.35 |
| Tractive force/Heating surface | 1 : 11.77 |
| Grate area/Heating surface | 1 : 77.66 |
| Firebox/Tube surface | 1 : 13.55 |
| Total/Superheater | 1 : 4.71 |
