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South African class MF
The South African class MF was a 2-6-6-2 Mallet originally ordered by the Central South African Railways (CSAR). They were built by ALCO and based on the MD prototype delivered in 1910, but were superheated. After del...
| South African class MFRemove | |
|---|---|
| Variant | |
| Built | 1910-1911 |
| Manufacturers | ALCO |
| Wheel arrangement | (1C)C1 ma |
| Gauge | 1067 mm |
| Length | 22435 mm |
| Service mass | 104297 kg |
| Top speed | |
| Power | |
| Engine |
General
| Property | South African class MFRemove |
|---|---|
| Built | 1910-1911 |
| Manufacturers | ALCO |
| Wheel arrangement | 2-6-6-2 (Mallet Mogul) |
| Gauge | 1,067 mm |
Dimensions and weights
| Property | South African class MFRemove |
|---|---|
| Length | 22.44 m |
| Wheelbase | 12.27 m |
| Total wheelbase | 19.96 m |
| Service mass | 104.3 t |
| Adhesion mass | 88.9 t |
| Total mass | 160.4 t |
| Rigid wheelbase | 2.54 m |
| Axle load | 15.4 t |
| Water capacity | 22,731 l |
| Fuel capacity | 10.2 t (coal) |
Boiler
| Property | South African class MFRemove |
|---|---|
| Grate area | 4.599 m² |
| Firebox surface | 14.493 m² |
| Tube heating surface | 228.505 m² |
| Evaporative heating surface | 242.997 m² |
| Superheater surface | 51.933 m² |
| Total heating surface | 294.9 m² |
Power plant
| Property | South African class MFRemove |
|---|---|
| Driver diameter | 1,168 mm |
| Boiler pressure | 13.8 bar |
| Cylinders | four, HP: 457 x 660 mm and LP: 724 x 660 mm |
Power
| Property | South African class MFRemove |
|---|---|
| Estimated power | 1,044 kW (1,419 PS) |
Calculated values
| Property | South African class MFRemove |
|---|---|
| Optimal speed | 32 km/h |
| Power-to-weight ratio | 10.0 kW/t |
| Heating Surface Equivalent | 419.3 m² |
| Cylinder volume/HSE | 1 : 1,165.30 |
| Adhesive weight/Total | 1 : 1.17 |
| Grate area/Heating surface | 1 : 64.13 |
| Firebox/Tube surface | 1 : 15.77 |
| Total/Superheater | 1 : 4.68 |
