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Great Eastern class M15
Between 1884 and 1886, Worsdell had 40 tank locomotives built for the Great Eastern Railway for passenger service, which were called class M15. This first batch got Joy valve gear and due to their high consumption, th...
| Great Eastern class M15Remove | |
|---|---|
| Variant | rebuilt M15R |
| Built | 1911-1920 |
| Manufacturers | Stratford |
| Wheel arrangement | 1B1 t |
| Gauge | 1435 mm |
| Length | 10617 mm |
| Service mass | 54816 kg |
| Top speed | |
| Power | |
| Engine |
General
| Property | Great Eastern class M15rebuilt M15R |
|---|---|
| Built | 1911-1920 |
| Manufacturers | Stratford |
| Wheel arrangement | 2-4-2T (Columbia) |
| Gauge | 1,435 mm |
Dimensions and weights
| Property | Great Eastern class M15rebuilt M15R |
|---|---|
| Length | 10.62 m |
| Wheelbase | 7.01 m |
| Service mass | 54.8 t |
| Rigid wheelbase | 7.01 m |
| Water capacity | 5,455 l |
| Fuel capacity | 2.3 t (coal) |
Boiler
| Property | Great Eastern class M15rebuilt M15R |
|---|---|
| Grate area | 1.421 m² |
| Firebox surface | 8.984 m² |
| Tube heating surface | 94.575 m² |
| Evaporative heating surface | 103.559 m² |
| Total heating surface | 103.6 m² |
Power plant
| Property | Great Eastern class M15rebuilt M15R |
|---|---|
| Driver diameter | 1,626 mm |
| Boiler pressure | 12.4 bar |
| Expansion type | simple expansion |
| Cylinders | two, 444 x 610 mm |
Power
| Property | Great Eastern class M15rebuilt M15R |
|---|---|
| Power source | steam |
| Estimated power | 391 kW (532 PS) |
| Starting effort | 78.2 kN |
Calculated values
| Property | Great Eastern class M15rebuilt M15R |
|---|---|
| Optimal speed | 31 km/h |
| Power-to-weight ratio | 7.1 kW/t |
| Heating Surface Equivalent | 148.5 m² |
| Cylinder volume/HSE | 1 : 1,274.22 |
| Tractive force/Heating surface | 1 : 15.76 |
| Grate area/Heating surface | 1 : 72.88 |
| Firebox/Tube surface | 1 : 10.53 |
