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Great Northern (UK) class H1
The obsolescence of the existing freight locomotives on the Great Northern shortly before the turn of the century faced the problem that there was no free capacity in the local locomotive factories. Neither the own wo...
General
| Property | Great Northern (UK) class H1Remove |
|---|---|
| Built | 1899 |
| Manufacturers | Baldwin |
| Wheel arrangement | 2-6-0 (Mogul) |
| Gauge | 1,435 mm (Standard gauge) |
Dimensions and weights
| Property | Great Northern (UK) class H1Remove |
|---|---|
| Wheelbase | 6.91 m |
| Rigid wheelbase | 4.50 m |
| Total wheelbase | 15.72 m |
| Service weight | 45.7 t |
| Adhesive weight | 38.8 t |
| Axle load | 12.9 t |
| Total weight | 88.3 t |
| Water capacity | 15,910 l |
| Fuel capacity | 5.1 t (coal) |
Boiler
| Property | Great Northern (UK) class H1Remove |
|---|---|
| Grate area | 1.551 m² |
| Firebox surface | 11.148 m² |
| Tube heating surface | 117.058 m² |
| Evaporative heating surface | 128.206 m² |
| Total heating surface | 128.2 m² |
Power plant
| Property | Great Northern (UK) class H1Remove |
|---|---|
| Driver diameter | 1,562 mm |
| Boiler pressure | 12.1 bar |
| Expansion type | simple expansion |
| Cylinders | two, 457 x 610 mm |
Power
| Property | Great Northern (UK) class H1Remove |
|---|---|
| Power source | steam |
| Estimated power | 485 kW (659 PS) |
| Starting effort | 83.7 kN |
Calculated values
| Property | Great Northern (UK) class H1Remove |
|---|---|
| Factor of adhesion | 1 : 4.55 |
| Optimal speed | 35 km/h |
| Power-to-weight ratio | 10.6 kW/t |
| Heating Surface Equivalent | 183.9 m² |
| Cylinder volume/HSE | 1 : 1,088.15 |
| Adhesive weight/Total | 1 : 1.18 |
| Tractive force/Heating surface | 1 : 13.63 |
| Grate area/Heating surface | 1 : 82.66 |
| Firebox/Tube surface | 1 : 10.50 |
