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Midland class 2000
The Midland Railway's class 2000 was a heavy suburban tank locomotive designed in the tradition of the popular 0-4-4T wheel arrangement, but with an additional driving axle . The water tanks extended to the smokebox a...
| Midland class 2000Remove | |
|---|---|
| Variant | superheated |
| Built | 1920-1926 |
| Manufacturers | Derby |
| Wheel arrangement | C2 t |
| Gauge | 1435 mm |
| Length | 12309 mm |
| Service mass | 77778 kg |
| Top speed | |
| Power | |
| Engine |
General
| Property | Midland class 2000superheated |
|---|---|
| Built | 1920-1926 |
| Manufacturers | Derby |
| Wheel arrangement | 0-6-4T |
| Gauge | 1,435 mm |
Dimensions and weights
| Property | Midland class 2000superheated |
|---|---|
| Length | 12.31 m |
| Wheelbase | 8.53 m |
| Service mass | 77.8 t |
| Adhesion mass | 56.4 t |
| Rigid wheelbase | 2.59 m |
| Water capacity | 10,183 l |
| Fuel capacity | 3.6 t (coal) |
Boiler
| Property | Midland class 2000superheated |
|---|---|
| Grate area | 1.951 m² |
| Firebox surface | 11.474 m² |
| Tube heating surface | 96.944 m² |
| Evaporative heating surface | 108.418 m² |
| Superheater surface | 23.504 m² |
| Total heating surface | 131.9 m² |
Power plant
| Property | Midland class 2000superheated |
|---|---|
| Driver diameter | 1,702 mm |
| Boiler pressure | 12.1 bar |
| Expansion type | simple expansion |
| Cylinders | two, 470 x 660 mm |
Power
| Property | Midland class 2000superheated |
|---|---|
| Power source | steam |
| Estimated power | 708 kW (963 PS) |
| Starting effort | 87.9 kN |
Calculated values
| Property | Midland class 2000superheated |
|---|---|
| Factor of adhesion | 1 : 6.30 |
| Optimal speed | 50 km/h |
| Power-to-weight ratio | 9.1 kW/t |
| Heating Surface Equivalent | 212.8 m² |
| Cylinder volume/HSE | 1 : 1,076.40 |
| Adhesive weight/Total | 1 : 1.38 |
| Tractive force/Heating surface | 1 : 13.91 |
| Grate area/Heating surface | 1 : 67.62 |
| Firebox/Tube surface | 1 : 8.45 |
| Total/Superheater | 1 : 4.61 |
