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Central South African Rack 4-6-4RT
Numbers 995 and 996 of the CSAR were two 4-6-4T rack locomotives specified by P.A. Hyde and built by Vulcan Foundry in 1905. They were intended for the section between Waterval Onder and Waterval Boven that also inclu...
| Central South African Rack 4-6-4RTRemove | |
|---|---|
| Variant | Standard |
| Built | 1905 |
| Manufacturers | Vulcan Foundry |
| Wheel arrangement | 2C2 zt |
| Gauge | 1067 mm |
| Length | 12624 mm |
| Service mass | 85602 kg |
| Top speed | |
| Power | |
| Engine |
General
| Property | Central South African Rack 4-6-4RT Standard Remove |
|---|---|
| Built | 1905 |
| Manufacturers | Vulcan Foundry |
| Wheel arrangement | 4-6-4RT |
| Gauge | 1,067 mm |
Dimensions and weights
| Property | Central South African Rack 4-6-4RT Standard Remove |
|---|---|
| Length | 12.62 m |
| Wheelbase | 10.24 m |
| Service mass | 85.6 t |
| Adhesion mass | 48 t |
| Rigid wheelbase | 3.89 m |
| Axle load | 19.3 t |
| Water capacity | 5,455 l |
| Fuel capacity | 2.3 t (coal) |
Boiler
| Property | Central South African Rack 4-6-4RT Standard Remove |
|---|---|
| Grate area | 3.112 m² |
| Firebox surface | 13.025 m² |
| Tube heating surface | 120.6 m² |
| Evaporative heating surface | 133.625 m² |
| Total heating surface | 133.6 m² |
Power plant
| Property | Central South African Rack 4-6-4RT Standard Remove |
|---|---|
| Driver diameter | 1,073 mm |
| Boiler pressure | 13.8 bar |
| Expansion type | simple expansion |
| Cylinders | four, 457 x 508 mm |
Power
| Property | Central South African Rack 4-6-4RT Standard Remove |
|---|---|
| Power source | steam |
| Estimated power | 671 kW (912 PS) |
| Starting effort | 116.0 kN |
Calculated values
| Property | Central South African Rack 4-6-4RT Standard Remove |
|---|---|
| Factor of adhesion | 1 : 4.06 |
| Optimal speed | 18 km/h |
| Power-to-weight ratio | 7.8 kW/t |
| Heating Surface Equivalent | 198.8 m² |
| Cylinder volume/HSE | 1 : 1,678.49 |
| Adhesive weight/Total | 1 : 1.78 |
| Tractive force/Heating surface | 1 : 18.13 |
| Grate area/Heating surface | 1 : 42.94 |
| Firebox/Tube surface | 1 : 9.26 |
