Compare locomotives
Add a locomotive
Midland Great Western class A
The class A were the heaviest locomotives in Ireland at the time they entered service. Their job was to haul heavy express trains between the east and west coasts. Due to their high axle load , they could not be used ...
| Midland Great Western class ARemove | |
|---|---|
| Variant | superheated |
| Built | 1916-1926 |
| Manufacturers | Broadstone |
| Wheel arrangement | 2B |
| Gauge | 1600 mm |
| Length | 16624 mm |
| Service mass | |
| Top speed | |
| Power | |
| Engine |
General
| Property | Midland Great Western class Asuperheated |
|---|---|
| Built | 1916-1926 |
| Manufacturers | Broadstone |
| Wheel arrangement | 4-4-0 (American) |
| Gauge | 1,600 mm |
Dimensions and weights
| Property | Midland Great Western class Asuperheated |
|---|---|
| Length | 16.62 m |
| Length loco | 9.54 m |
| Wheelbase | 6.86 m |
| Rigid wheelbase | 2.82 m |
| Water capacity | 13,639 l |
| Fuel capacity | 5.1 t (coal) |
Boiler
| Property | Midland Great Western class Asuperheated |
|---|---|
| Grate area | 1.858 m² |
| Firebox surface | 13.935 m² |
| Tube heating surface | 77.342 m² |
| Evaporative heating surface | 91.277 m² |
| Superheater surface | 19.603 m² |
| Total heating surface | 110.9 m² |
Power plant
| Property | Midland Great Western class Asuperheated |
|---|---|
| Driver diameter | 1,905 mm |
| Boiler pressure | 12.1 bar |
| Expansion type | simple expansion |
| Cylinders | two, 483 x 660 mm |
Power
| Property | Midland Great Western class Asuperheated |
|---|---|
| Power source | steam |
| Estimated power | 708 kW (963 PS) |
| Starting effort | 82.8 kN |
Calculated values
| Property | Midland Great Western class Asuperheated |
|---|---|
| Optimal speed | 53 km/h |
| Heating Surface Equivalent | 200.2 m² |
| Cylinder volume/HSE | 1 : 1,207.06 |
| Tractive force/Heating surface | 1 : 15.60 |
| Grate area/Heating surface | 1 : 59.68 |
| Firebox/Tube surface | 1 : 5.55 |
| Total/Superheater | 1 : 4.66 |
