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North Eastern classes M1 and Q
Worsdell had 20 class M1 locomotives built from 1892, which, unlike previous express locomotives, did not have a compound engine . From 1896, 30 more of the class Q followed, which had a smaller boiler and slightly la...
| North Eastern classes M1 and QRemove | |
|---|---|
| Variant | |
| Built | 1896-1897 |
| Manufacturers | Gateshead |
| Wheel arrangement | 2B |
| Gauge | 1435 mm |
| Length | |
| Service mass | |
| Top speed | |
| Power | |
| Engine |
General
| Property | North Eastern classes M1 and QRemove |
|---|---|
| Built | 1896-1897 |
| Manufacturers | Gateshead |
| Wheel arrangement | 4-4-0 (American) |
| Gauge | 1,435 mm |
Dimensions and weights
| Property | North Eastern classes M1 and QRemove |
|---|---|
| Wheelbase | 7.24 m |
| Rigid wheelbase | 2.90 m |
| Water capacity | 18,753 l |
| Fuel capacity | 5.3 t (coal) |
Boiler
| Property | North Eastern classes M1 and QRemove |
|---|---|
| Grate area | 1.835 m² |
| Firebox surface | 11.427 m² |
| Tube heating surface | 101.172 m² |
| Evaporative heating surface | 112.599 m² |
| Total heating surface | 112.6 m² |
Power plant
| Property | North Eastern classes M1 and QRemove |
|---|---|
| Driver diameter | 2,165 mm |
| Boiler pressure | 12.4 bar |
| Expansion type | simple expansion |
| Cylinders | two, 495 x 660 mm |
Power
| Property | North Eastern classes M1 and QRemove |
|---|---|
| Power source | steam |
| Estimated power | 541 kW (736 PS) |
| Starting effort | 78.9 kN |
Calculated values
| Property | North Eastern classes M1 and QRemove |
|---|---|
| Optimal speed | 42 km/h |
| Heating Surface Equivalent | 169.7 m² |
| Cylinder volume/HSE | 1 : 1,499.32 |
| Tractive force/Heating surface | 1 : 14.64 |
| Grate area/Heating surface | 1 : 61.36 |
| Firebox/Tube surface | 1 : 8.85 |
