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Ottoman Railway Company No. 80 to 83
The numbers 80 to 83 were the first eight-coupled locomotives ordered by the Ottoman Railway Company. They were built by Robert Stephenson & Co. in 1906 to climb the steep inclines between Smyrna (now Izmir) and Aydın...
General
| Property | Ottoman Railway Company No. 80 to 83Remove |
|---|---|
| Built | 1906 |
| Manufacturers | Robert Stephenson & Co. |
| Wheel arrangement | 0-8-0 (Eight-coupled) |
| Gauge | 1,435 mm (Standard gauge) |
Dimensions and weights
| Property | Ottoman Railway Company No. 80 to 83Remove |
|---|---|
| Wheelbase | 5.44 m |
| Rigid wheelbase | 3.66 m |
| Total wheelbase | 12.51 m |
| Empty weight | 52 t |
| Service weight | 58.8 t |
| Adhesive weight | 58.8 t |
| Axle load | 15.5 t |
| Total weight | 96.6 t |
| Water capacity | 13,639 l |
| Fuel capacity | 7.1 t (coal) |
Boiler
| Property | Ottoman Railway Company No. 80 to 83Remove |
|---|---|
| Grate area | 2.355 m² |
| Firebox surface | 14.158 m² |
| Tube heating surface | 151.804 m² |
| Evaporative heating surface | 165.962 m² |
| Total heating surface | 166.0 m² |
Power plant
| Property | Ottoman Railway Company No. 80 to 83Remove |
|---|---|
| Driver diameter | 1,406 mm |
| Boiler pressure | 12.4 bar |
| Expansion type | simple expansion |
| Cylinders | two, 495 x 660 mm |
Power
| Property | Ottoman Railway Company No. 80 to 83Remove |
|---|---|
| Power source | steam |
| Estimated power | 634 kW (862 PS) |
| Starting effort | 121.6 kN |
Calculated values
| Property | Ottoman Railway Company No. 80 to 83Remove |
|---|---|
| Factor of adhesion | 1 : 4.75 |
| Optimal speed | 32 km/h |
| Power-to-weight ratio | 10.8 kW/t |
| Heating Surface Equivalent | 236.8 m² |
| Cylinder volume/HSE | 1 : 1,074.90 |
| Adhesive weight/Total | 1 : 1.00 |
| Tractive force/Heating surface | 1 : 15.30 |
| Grate area/Heating surface | 1 : 70.47 |
| Firebox/Tube surface | 1 : 10.72 |
