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Danish State Railways R (I)
After the passenger trains on the main lines on Jutland and Funen had reached a weight of 800 tonnes, the pulling power of the Litra P (II) Atlantic locomotives reached their limits. In view of the good experiences wi...
| Danish State Railways R (I)Remove | |
|---|---|
| Variant | |
| Built | 1917 |
| Manufacturers | SLM |
| Wheel arrangement | 2C |
| Gauge | 1435 mm |
| Length | 19165 mm |
| Service mass | 71123 kg |
| Top speed | 100 km/h |
| Power | |
| Engine |
General
| Property | Danish State Railways R (I)Remove |
|---|---|
| Built | 1917 |
| Manufacturers | SLM |
| Wheel arrangement | 4-6-0 (Ten-wheeler) |
| Gauge | 1,435 mm |
Dimensions and weights
| Property | Danish State Railways R (I)Remove |
|---|---|
| Length | 19.17 m |
| Wheelbase | 9.05 m |
| Total wheelbase | 16.35 m |
| Empty mass | 64 t |
| Service mass | 71.1 t |
| Adhesion mass | 50 t |
| Total mass | 121.1 t |
| Rigid wheelbase | 4.60 m |
| Axle load | 16.7 t |
| Water capacity | 21,000 l |
| Fuel capacity | 6 t (coal) |
Boiler
| Property | Danish State Railways R (I)Remove |
|---|---|
| Grate area | 2.62 m² |
| Firebox surface | 17 m² |
| Tube heating surface | 141.2 m² |
| Evaporative heating surface | 158.2 m² |
| Superheater surface | 47.8 m² |
| Total heating surface | 206.0 m² |
Power plant
| Property | Danish State Railways R (I)Remove |
|---|---|
| Driver diameter | 1,866 mm |
| Boiler pressure | 12 bar |
| Expansion type | simple expansion |
| Cylinders | two, 570 x 670 mm |
Power
| Property | Danish State Railways R (I)Remove |
|---|---|
| Power source | steam |
| Estimated power | 890 kW (1,210 PS) |
| Top speed | 100 km/h |
| Starting effort | 119.0 kN |
Calculated values
| Property | Danish State Railways R (I)Remove |
|---|---|
| Factor of adhesion | 1 : 4.12 |
| Optimal speed | 45 km/h |
| Power-to-weight ratio | 12.5 kW/t |
| Heating Surface Equivalent | 338.8 m² |
| Cylinder volume/HSE | 1 : 1,009.26 |
| Adhesive weight/Total | 1 : 1.42 |
| Tractive force/Heating surface | 1 : 12.06 |
| Grate area/Heating surface | 1 : 78.63 |
| Firebox/Tube surface | 1 : 8.31 |
| Total/Superheater | 1 : 3.31 |
