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Kenya-Uganda Railway classes EC, EC1 and EC2
The unsatisfactory results of the unreliable and high-maintenance M-class Mallets led the Kenya-Uganda Railway to switch to Garratt-type locomotives. They weighed over 120 tons loaded, had a Belpaire firebox and were ...
| Kenya-Uganda Railway classes EC, EC1 and EC2Remove | |
|---|---|
| Variant | |
| Built | 1926 |
| Manufacturers | Beyer, Peacock & Co. |
| Wheel arrangement | (2D1)(1D2) t ga |
| Gauge | 1000 mm |
| Length | |
| Service mass | 127412 kg |
| Top speed | |
| Power | |
| Engine |
General
| Property | Kenya-Uganda Railway classes EC, EC1 and EC2Remove |
|---|---|
| Built | 1926 |
| Manufacturers | Beyer, Peacock & Co. |
| Wheel arrangement | 4-8-2+2-8-4T (Double Mountain (Garratt)) |
| Gauge | 1,000 mm |
Dimensions and weights
| Property | Kenya-Uganda Railway classes EC, EC1 and EC2Remove |
|---|---|
| Wheelbase | 15.14 m |
| Service mass | 127.4 t |
| Adhesion mass | 80.7 t |
| Rigid wheelbase | 3.73 m |
| Water capacity | 19,321 l |
| Fuel capacity | 6.1 t (wood) |
Boiler
| Property | Kenya-Uganda Railway classes EC, EC1 and EC2Remove |
|---|---|
| Grate area | 4.051 m² |
| Firebox surface | 16.165 m² |
| Tube heating surface | 173.079 m² |
| Evaporative heating surface | 189.244 m² |
| Superheater surface | 35.303 m² |
| Total heating surface | 224.5 m² |
Power plant
| Property | Kenya-Uganda Railway classes EC, EC1 and EC2Remove |
|---|---|
| Driver diameter | 1,092 mm |
| Boiler pressure | 11.7 bar |
| Expansion type | simple expansion |
| Cylinders | four, 419 x 559 mm |
Power
| Property | Kenya-Uganda Railway classes EC, EC1 and EC2Remove |
|---|---|
| Power source | steam |
| Estimated power | 820 kW (1,115 PS) |
| Starting effort | 179.1 kN |
Calculated values
| Property | Kenya-Uganda Railway classes EC, EC1 and EC2Remove |
|---|---|
| Factor of adhesion | 1 : 4.42 |
| Optimal speed | 27 km/h |
| Power-to-weight ratio | 6.4 kW/t |
| Heating Surface Equivalent | 340.7 m² |
| Cylinder volume/HSE | 1 : 905.11 |
| Adhesive weight/Total | 1 : 1.58 |
| Tractive force/Heating surface | 1 : 16.65 |
| Grate area/Heating surface | 1 : 55.43 |
| Firebox/Tube surface | 1 : 10.71 |
| Total/Superheater | 1 : 5.36 |
