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Canadian Pacific classes N3a, b, c and N2a, b, c
In 1909 H.H. Vaughan would produce a Consolidation that should achieve more power with 24x32 inch cylinders, but thanks to 63 inch (1,600 mm) large driving wheels should have enough steam even at higher speeds. Howeve...
| Canadian Pacific classes N3a, b, c and N2a, b, cRemove | |
|---|---|
| Variant | |
| Built | 1923-1926 |
| Manufacturers | Montreal Locomotive Works |
| Wheel arrangement | 1D |
| Gauge | 1435 mm |
| Length | 23000 mm |
| Service mass | 108862 kg |
| Top speed | |
| Power | |
| Engine |
General
| Property | Canadian Pacific classes N3a, b, c and N2a, b, cRemove |
|---|---|
| Built | 1923-1926 |
| Manufacturers | Montreal Locomotive Works |
| Wheel arrangement | 2-8-0 (Consolidation) |
| Gauge | 1,435 mm |
Dimensions and weights
| Property | Canadian Pacific classes N3a, b, c and N2a, b, cRemove |
|---|---|
| Length | 23.00 m |
| Wheelbase | 7.75 m |
| Total wheelbase | 16.97 m |
| Service mass | 108.9 t |
| Adhesion mass | 98 t |
| Total mass | 171.9 t |
| Rigid wheelbase | 5.03 m |
| Water capacity | 22,712 l |
| Fuel capacity | 10.9 t (coal) |
Boiler
| Property | Canadian Pacific classes N3a, b, c and N2a, b, cRemove |
|---|---|
| Grate area | 4.599 m² |
| Firebox surface | 17.744 m² |
| Tube heating surface | 197.419 m² |
| Evaporative heating surface | 215.164 m² |
| Superheater surface | 55.928 m² |
| Total heating surface | 271.1 m² |
Power plant
| Property | Canadian Pacific classes N3a, b, c and N2a, b, cRemove |
|---|---|
| Driver diameter | 1,600 mm |
| Boiler pressure | 13.1 bar |
| Expansion type | simple expansion |
| Cylinders | two, 584 x 813 mm |
Power
| Property | Canadian Pacific classes N3a, b, c and N2a, b, cRemove |
|---|---|
| Power source | steam |
| Estimated power | 1,342 kW (1,825 PS) |
| Starting effort | 193.0 kN |
Calculated values
| Property | Canadian Pacific classes N3a, b, c and N2a, b, cRemove |
|---|---|
| Factor of adhesion | 1 : 4.98 |
| Optimal speed | 42 km/h |
| Power-to-weight ratio | 12.3 kW/t |
| Heating Surface Equivalent | 415.7 m² |
| Cylinder volume/HSE | 1 : 1,048.11 |
| Adhesive weight/Total | 1 : 1.11 |
| Tractive force/Heating surface | 1 : 14.87 |
| Grate area/Heating surface | 1 : 58.95 |
| Firebox/Tube surface | 1 : 11.13 |
| Total/Superheater | 1 : 3.85 |
