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Great Northern (UK) class C1 (large boiler)
As a development of the C1 with a small boiler, Ivatt had number 251 built in 1902, which was also an Atlantic. The most striking difference was the significantly larger boiler, which had a diameter of 5 ft 6 in inste...
| Great Northern (UK) class C1 (large boiler)Remove | |
|---|---|
| Variant | No. 292 |
| Built | 1904 |
| Manufacturers | Doncaster |
| Wheel arrangement | 2B1 |
| Gauge | 1435 mm |
| Length | |
| Service mass | 69599 kg |
| Top speed | 145 km/h |
| Power | |
| Engine |
General
| Property | Great Northern (UK) class C1 (large boiler)No. 292 |
|---|---|
| Built | 1904 |
| Manufacturers | Doncaster |
| Wheel arrangement | 4-4-2 (Atlantic) |
| Gauge | 1,435 mm |
Dimensions and weights
| Property | Great Northern (UK) class C1 (large boiler)No. 292 |
|---|---|
| Wheelbase | 8.03 m |
| Service mass | 69.6 t |
| Adhesion mass | 36.6 t |
| Total mass | 111.2 t |
| Rigid wheelbase | 2.08 m |
| Axle load | 18.5 t |
| Water capacity | 15,910 l |
| Fuel capacity | 6.6 t (coal) |
Boiler
| Property | Great Northern (UK) class C1 (large boiler)No. 292 |
|---|---|
| Grate area | 2.88 m² |
| Firebox surface | 13.099 m² |
| Tube heating surface | 232.258 m² |
| Evaporative heating surface | 245.357 m² |
| Total heating surface | 245.4 m² |
Power plant
| Property | Great Northern (UK) class C1 (large boiler)No. 292 |
|---|---|
| Driver diameter | 2,032 mm |
| Boiler pressure | 13.8 bar |
| Expansion type | compound |
| Cylinders | four, HP: 330 x 508 mm and LP: 406 x 660 mm |
Power
| Property | Great Northern (UK) class C1 (large boiler)No. 292 |
|---|---|
| Power source | steam |
| Estimated power | 932 kW (1,267 PS) |
| Top speed | 145 km/h |
| Starting effort | 42.4 kN |
| Starting effort simple | 50.9 kN |
Calculated values
| Property | Great Northern (UK) class C1 (large boiler)No. 292 |
|---|---|
| Factor of adhesion | 1 : 8.47 |
| Optimal speed | 135 km/h |
| Power-to-weight ratio | 13.4 kW/t |
| Heating Surface Equivalent | 310.9 m² |
| Cylinder volume/HSE | 1 : 555.47 |
| Adhesive weight/Total | 1 : 1.90 |
| Tractive force/Heating surface | 1 : 3.61 |
| Grate area/Heating surface | 1 : 85.19 |
| Firebox/Tube surface | 1 : 17.73 |
