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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...
General
| Property | Great Northern (UK) class C1 (large boiler) No. 1300 |
|---|---|
| Built | 1905 |
| Manufacturers | Vulcan Foundry |
| Wheel arrangement | 4-4-2 (Atlantic) |
| Gauge | 1,435 mm (Standard gauge) |
Dimensions and weights
| Property | Great Northern (UK) class C1 (large boiler) No. 1300 |
|---|---|
| Wheelbase | 8.64 m |
| Rigid wheelbase | 2.59 m |
| Service weight | 72.1 t |
| Adhesive weight | 37.6 t |
| Axle load | 18.8 t |
| Total weight | 113.7 t |
| Water capacity | 15,910 l |
| Fuel capacity | 6.6 t (coal) |
Boiler
| Property | Great Northern (UK) class C1 (large boiler) No. 1300 |
|---|---|
| Grate area | 2.88 m² |
| Firebox surface | 15.794 m² |
| Tube heating surface | 233.651 m² |
| Evaporative heating surface | 249.445 m² |
| Total heating surface | 249.4 m² |
Power plant
| Property | Great Northern (UK) class C1 (large boiler) No. 1300 |
|---|---|
| Driver diameter | 2,032 mm |
| Boiler pressure | 13.8 bar |
| Expansion type | compound |
| Cylinders | four, HP: 356 x 660 mm and LP: 584 x 660 mm |
Power
| Property | Great Northern (UK) class C1 (large boiler) No. 1300 |
|---|---|
| Power source | steam |
| Estimated power | 1,007 kW (1,369 PS) |
| Top speed | 145 km/h |
| Starting effort | 70.3 kN |
| Starting effort simple | 84.4 kN |
Calculated values
| Property | Great Northern (UK) class C1 (large boiler) No. 1300 |
|---|---|
| Factor of adhesion | 1 : 5.25 |
| Optimal speed | 87 km/h |
| Power-to-weight ratio | 14.0 kW/t |
| Heating Surface Equivalent | 328.4 m² |
| Cylinder volume/HSE | 1 : 938.43 |
| Adhesive weight/Total | 1 : 1.92 |
| Tractive force/Heating surface | 1 : 5.89 |
| Grate area/Heating surface | 1 : 86.61 |
| Firebox/Tube surface | 1 : 14.79 |
