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London, Midland & Scottish Stanier 3P 2-6-2T
Stanier developed these locos from Fowler's 2-6-2T. The biggest change was in the new boiler, which was tapered towards the front. The locomotives with the numbers 71 to 120 and 121 to 144 each used a slightly differe...
| London, Midland & Scottish Stanier 3P 2-6-2TRemove | |
|---|---|
| Variant | 71-120 |
| Built | 1935 |
| Manufacturers | Derby |
| Wheel arrangement | 1C1 t |
| Gauge | 1435 mm |
| Length | 12795 mm |
| Service mass | 71885 kg |
| Top speed | |
| Power | |
| Engine |
General
| Property | London, Midland & Scottish Stanier 3P 2-6-2T71-120 |
|---|---|
| Built | 1935 |
| Manufacturers | Derby |
| Wheel arrangement | 2-6-2T (Prairie) |
| Gauge | 1,435 mm |
Dimensions and weights
| Property | London, Midland & Scottish Stanier 3P 2-6-2T71-120 |
|---|---|
| Length | 12.80 m |
| Wheelbase | 10.14 m |
| Service mass | 71.9 t |
| Adhesion mass | 47.2 t |
| Rigid wheelbase | 5.03 m |
| Axle load | 15.7 t |
| Water capacity | 6,818 l |
| Fuel capacity | 3 t (coal) |
Boiler
| Property | London, Midland & Scottish Stanier 3P 2-6-2T71-120 |
|---|---|
| Grate area | 1.626 m² |
| Firebox surface | 9.662 m² |
| Tube heating surface | 72 m² |
| Evaporative heating surface | 81.662 m² |
| Superheater surface | 6.782 m² |
| Total heating surface | 88.4 m² |
Power plant
| Property | London, Midland & Scottish Stanier 3P 2-6-2T71-120 |
|---|---|
| Driver diameter | 1,600 mm |
| Boiler pressure | 13.8 bar |
| Expansion type | simple expansion |
| Cylinders | two, 444 x 660 mm |
Power
| Property | London, Midland & Scottish Stanier 3P 2-6-2T71-120 |
|---|---|
| Power source | steam |
| Estimated power | 619 kW (842 PS) |
| Starting effort | 95.6 kN |
Calculated values
| Property | London, Midland & Scottish Stanier 3P 2-6-2T71-120 |
|---|---|
| Factor of adhesion | 1 : 4.84 |
| Optimal speed | 40 km/h |
| Power-to-weight ratio | 8.6 kW/t |
| Heating Surface Equivalent | 143.5 m² |
| Cylinder volume/HSE | 1 : 1,427.94 |
| Adhesive weight/Total | 1 : 1.52 |
| Tractive force/Heating surface | 1 : 22.57 |
| Grate area/Heating surface | 1 : 54.39 |
| Firebox/Tube surface | 1 : 7.45 |
| Total/Superheater | 1 : 12.04 |
