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Great Northern (UK) class C1 (small boiler) “Klondykes”
Shortly before the turn of the century, Henry Ivatt had the task of developing a new locomotive for the increasing loads of the most important express trains. He had to measure himself against the singles from his pre...
| Great Northern (UK) class C1 (small boiler) “Klondykes”Remove | |
|---|---|
| Variant | No. 271 |
| Built | 1902 |
| Manufacturers | Doncaster |
| Wheel arrangement | 2B1 |
| Gauge | 1435 mm |
| Length | |
| Service mass | 59693 kg |
| Top speed | 145 km/h |
| Power | |
| Engine |
General
| Property | Great Northern (UK) class C1 (small boiler) “Klondykes”No. 271 |
|---|---|
| Built | 1902 |
| Manufacturers | Doncaster |
| Wheel arrangement | 4-4-2 (Atlantic) |
| Gauge | 1,435 mm |
Dimensions and weights
| Property | Great Northern (UK) class C1 (small boiler) “Klondykes”No. 271 |
|---|---|
| Wheelbase | 8.15 m |
| Service mass | 59.7 t |
| Adhesion mass | 33.3 t |
| Total mass | 98.8 t |
| Rigid wheelbase | 2.10 m |
| Axle load | 17.3 t |
| Water capacity | 16,682 l |
| Fuel capacity | 5.1 t (coal) |
Boiler
| Property | Great Northern (UK) class C1 (small boiler) “Klondykes”No. 271 |
|---|---|
| Grate area | 2.276 m² |
| Firebox surface | 13.053 m² |
| Tube heating surface | 108 m² |
| Evaporative heating surface | 121.053 m² |
| Total heating surface | 121.1 m² |
Power plant
| Property | Great Northern (UK) class C1 (small boiler) “Klondykes”No. 271 |
|---|---|
| Driver diameter | 1,981 mm |
| Boiler pressure | 12.1 bar |
| Expansion type | simple expansion |
| Cylinders | four, 381 x 508 mm |
Power
| Property | Great Northern (UK) class C1 (small boiler) “Klondykes”No. 271 |
|---|---|
| Power source | steam |
| Estimated power | 578 kW (786 PS) |
| Top speed | 145 km/h |
| Starting effort | 76.3 kN |
Calculated values
| Property | Great Northern (UK) class C1 (small boiler) “Klondykes”No. 271 |
|---|---|
| Factor of adhesion | 1 : 4.28 |
| Optimal speed | 47 km/h |
| Power-to-weight ratio | 9.7 kW/t |
| Heating Surface Equivalent | 186.3 m² |
| Cylinder volume/HSE | 1 : 1,243.39 |
| Adhesive weight/Total | 1 : 1.79 |
| Tractive force/Heating surface | 1 : 13.17 |
| Grate area/Heating surface | 1 : 53.19 |
| Firebox/Tube surface | 1 : 8.27 |
