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London, Midland & Scottish Ivatt class 2 2-6-0
The steam locomotives built by the LMS after the Second World War also included Class 2 tender locomotives for mixed service, which were intended to replace older 0-6-0 locomotives. The choice fell on the 2-6-0 wheel ...
General
| Property | London, Midland & Scottish Ivatt class 2 2-6-0 1946 variant |
|---|---|
| Built | 1946-1953 |
| Manufacturers | Crewe |
| Wheel arrangement | 2-6-0 (Mogul) |
| Gauge | 1,435 mm (Standard gauge) |
Dimensions and weights
| Property | London, Midland & Scottish Ivatt class 2 2-6-0 1946 variant |
|---|---|
| Length | 16.20 m |
| Wheelbase | 6.78 m |
| Rigid wheelbase | 4.19 m |
| Total wheelbase | 13.49 m |
| Service weight | 47.9 t |
| Adhesive weight | 40 t |
| Axle load | 13.5 t |
| Total weight | 82.6 t |
| Water capacity | 13,639 l |
| Fuel capacity | 4.1 t (coal) |
Boiler
| Property | London, Midland & Scottish Ivatt class 2 2-6-0 1946 variant |
|---|---|
| Grate area | 1.626 m² |
| Firebox surface | 9.383 m² |
| Tube heating surface | 85.842 m² |
| Evaporative heating surface | 95.226 m² |
| Superheater surface | 12.449 m² |
| Total heating surface | 107.7 m² |
Power plant
| Property | London, Midland & Scottish Ivatt class 2 2-6-0 1946 variant |
|---|---|
| Driver diameter | 1,524 mm |
| Boiler pressure | 13.8 bar |
| Expansion type | simple expansion |
| Cylinders | two, 406 x 610 mm |
Power
| Property | London, Midland & Scottish Ivatt class 2 2-6-0 1946 variant |
|---|---|
| Power source | steam |
| Estimated power | 634 kW (862 PS) |
| Starting effort | 77.4 kN |
Calculated values
| Property | London, Midland & Scottish Ivatt class 2 2-6-0 1946 variant |
|---|---|
| Factor of adhesion | 1 : 5.07 |
| Optimal speed | 50 km/h |
| Power-to-weight ratio | 13.2 kW/t |
| Heating Surface Equivalent | 167.0 m² |
| Cylinder volume/HSE | 1 : 946.80 |
| Adhesive weight/Total | 1 : 1.20 |
| Tractive force/Heating surface | 1 : 15.02 |
| Grate area/Heating surface | 1 : 66.22 |
| Firebox/Tube surface | 1 : 9.15 |
| Total/Superheater | 1 : 7.65 |
