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Railways of the Greek State Ia (Iota-alpha)
When the Greek railway network was connected to the main European network, the Hellenic State Railway needed powerful locomotives for passenger service on lines with grades of two percent and curves of 300 meters. Now...
General
| Property | Railways of the Greek State Ia (Iota-alpha)Remove |
|---|---|
| Built | 1915 |
| Manufacturers | ALCO |
| Wheel arrangement | 2-8-2 (Mikado) |
| Gauge | 1,435 mm (Standard gauge) |
Dimensions and weights
| Property | Railways of the Greek State Ia (Iota-alpha)Remove |
|---|---|
| Wheelbase | 9.80 m |
| Rigid wheelbase | 4.80 m |
| Total wheelbase | 17.27 m |
| Service weight | 85 t |
| Adhesive weight | 59.8 t |
| Axle load | 15 t |
| Total weight | 133 t |
| Water capacity | 18,927 l |
| Fuel capacity | 8 t (coal) |
Boiler
| Property | Railways of the Greek State Ia (Iota-alpha)Remove |
|---|---|
| Grate area | 3.224 m² |
| Firebox surface | 13.935 m² |
| Tube heating surface | 174.751 m² |
| Evaporative heating surface | 188.686 m² |
| Superheater surface | 42.55 m² |
| Total heating surface | 231.2 m² |
Power plant
| Property | Railways of the Greek State Ia (Iota-alpha)Remove |
|---|---|
| Driver diameter | 1,524 mm |
| Boiler pressure | 12.1 bar |
| Expansion type | simple expansion |
| Cylinders | two, 584 x 660 mm |
Power
| Property | Railways of the Greek State Ia (Iota-alpha)Remove |
|---|---|
| Power source | steam |
| Estimated power | 969 kW (1,317 PS) |
| Starting effort | 151.7 kN |
Calculated values
| Property | Railways of the Greek State Ia (Iota-alpha)Remove |
|---|---|
| Factor of adhesion | 1 : 3.87 |
| Optimal speed | 39 km/h |
| Power-to-weight ratio | 11.4 kW/t |
| Heating Surface Equivalent | 343.5 m² |
| Cylinder volume/HSE | 1 : 1,030.80 |
| Adhesive weight/Total | 1 : 1.42 |
| Tractive force/Heating surface | 1 : 13.70 |
| Grate area/Heating surface | 1 : 71.72 |
| Firebox/Tube surface | 1 : 12.54 |
| Total/Superheater | 1 : 4.43 |
