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Grand Trunk classes E-8 and E-12
To replace light 4-4-0 and 2-6-0 locomotives on branch lines, the Grand Trunk put 25 locomotives of the class E-8 into service in 1910. They were built by the Canadian Locomotive Co. and compared to the E-7 they still...
| Grand Trunk classes E-8 and E-12Remove | |
|---|---|
| Variant | rebuilt E-12 |
| Built | 1913 |
| Manufacturers | Canadian Locomotive Co. |
| Wheel arrangement | 2C |
| Gauge | 1435 mm |
| Length | |
| Service mass | 64319 kg |
| Top speed | |
| Power | |
| Engine |
General
| Property | Grand Trunk classes E-8 and E-12rebuilt E-12 |
|---|---|
| Built | 1913 |
| Manufacturers | Canadian Locomotive Co. |
| Wheel arrangement | 4-6-0 (Ten-wheeler) |
| Gauge | 1,435 mm |
Dimensions and weights
| Property | Grand Trunk classes E-8 and E-12rebuilt E-12 |
|---|---|
| Wheelbase | 6.88 m |
| Total wheelbase | 15.13 m |
| Empty mass | 59.5 t |
| Service mass | 64.3 t |
| Adhesion mass | 54.7 t |
| Total mass | 122.4 t |
| Rigid wheelbase | 4.27 m |
| Axle load | 18.2 t |
| Water capacity | 22,731 l |
| Fuel capacity | 10.2 t (coal) |
Boiler
| Property | Grand Trunk classes E-8 and E-12rebuilt E-12 |
|---|---|
| Grate area | 2.861 m² |
| Firebox surface | 15.422 m² |
| Tube heating surface | 72.464 m² |
| Evaporative heating surface | 87.886 m² |
| Superheater surface | 18.581 m² |
| Total heating surface | 106.5 m² |
Power plant
| Property | Grand Trunk classes E-8 and E-12rebuilt E-12 |
|---|---|
| Driver diameter | 1,600 mm |
| Boiler pressure | 11.7 bar |
| Expansion type | simple expansion |
| Cylinders | two, 533 x 660 mm |
Power
| Property | Grand Trunk classes E-8 and E-12rebuilt E-12 |
|---|---|
| Power source | steam |
| Estimated power | 597 kW (812 PS) |
| Starting effort | 117.0 kN |
Calculated values
| Property | Grand Trunk classes E-8 and E-12rebuilt E-12 |
|---|---|
| Factor of adhesion | 1 : 4.59 |
| Optimal speed | 31 km/h |
| Power-to-weight ratio | 9.3 kW/t |
| Heating Surface Equivalent | 202.2 m² |
| Cylinder volume/HSE | 1 : 1,459.96 |
| Adhesive weight/Total | 1 : 1.18 |
| Tractive force/Heating surface | 1 : 22.95 |
| Grate area/Heating surface | 1 : 37.21 |
| Firebox/Tube surface | 1 : 4.70 |
| Total/Superheater | 1 : 4.73 |
