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Canadian Pacific class T4a
Number 8000 of the Canadian Pacific, also designated class T4a, was an experimental 2-10-4 high-pressure locomotive. It had a Schmidt-Henschel boiler that consisted of three circuits. The first one was located in the ...
| Canadian Pacific class T4aRemove | |
|---|---|
| Variant | Standard |
| Built | 1931 |
| Manufacturers | Angus Shops |
| Wheel arrangement | 1E2 |
| Gauge | 1435 mm |
| Length | 30101 mm |
| Service mass | 224547 kg |
| Top speed | |
| Power | |
| Engine |
General
| Property | Canadian Pacific class T4a Standard Remove |
|---|---|
| Built | 1931 |
| Manufacturers | Angus Shops |
| Wheel arrangement | 2-10-4 (Texas) |
| Gauge | 1,435 mm |
Dimensions and weights
| Property | Canadian Pacific class T4a Standard Remove |
|---|---|
| Length | 30.10 m |
| Service mass | 224.5 t |
| Total mass | 361.2 t |
| Rigid wheelbase | 7.16 m |
| Water capacity | 45,425 l |
| Fuel capacity | 15,520 l (oil) |
Boiler
| Property | Canadian Pacific class T4a Standard Remove |
|---|---|
| Grate area | 7.154 m² |
| Firebox surface | 48.31 m² |
| Tube heating surface | 348.015 m² |
| Evaporative heating surface | 396.325 m² |
| Superheater surface | 70.003 m² |
| Total heating surface | 466.3 m² |
Power plant
| Property | Canadian Pacific class T4a Standard Remove |
|---|---|
| Driver diameter | 1,600 mm |
| Boiler pressure | 58.6 bar |
| Expansion type | compound |
| Cylinders | three, HP: 394 x 711 mm and LP: 610 x 762 mm |
Power
| Property | Canadian Pacific class T4a Standard Remove |
|---|---|
| Power source | steam |
| Estimated power | 3,729 kW (5,070 PS) |
| Starting effort | 370.5 kN |
| Starting effort simple | 444.6 kN |
Calculated values
| Property | Canadian Pacific class T4a Standard Remove |
|---|---|
| Optimal speed | 61 km/h |
| Power-to-weight ratio | 16.6 kW/t |
| Heating Surface Equivalent | 777.9 m² |
| Cylinder volume/HSE | 1 : 381.38 |
| Tractive force/Heating surface | 1 : 16.59 |
| Grate area/Heating surface | 1 : 65.18 |
| Firebox/Tube surface | 1 : 7.20 |
| Total/Superheater | 1 : 5.66 |
