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Buenos Aires Great Southern classes 6, 6A and 6B
In 1888 Beyer, Peacock & Co. built eight 4-4-0 locomotives for the Buenos Aires Great Southern. Two of these were built as Worsdell-von Borries cross-compounds to compare them with the six simple locomotives. The simp...
| Buenos Aires Great Southern classes 6, 6A and 6BRemove | |
|---|---|
| Variant | |
| Built | 1890 |
| Manufacturers | Beyer, Peacock & Co. |
| Wheel arrangement | 2B |
| Gauge | 1676 mm |
| Length | |
| Service mass | 42189 kg |
| Top speed | |
| Power | |
| Engine |
General
| Property | Buenos Aires Great Southern classes 6, 6A and 6BRemove |
|---|---|
| Built | 1890 |
| Manufacturers | Beyer, Peacock & Co. |
| Wheel arrangement | 4-4-0 (American) |
| Gauge | 1,676 mm |
Dimensions and weights
| Property | Buenos Aires Great Southern classes 6, 6A and 6BRemove |
|---|---|
| Wheelbase | 6.25 m |
| Total wheelbase | 11.96 m |
| Service mass | 42.2 t |
| Adhesion mass | 24.4 t |
| Total mass | 67.8 t |
| Rigid wheelbase | 2.31 m |
| Axle load | 12.4 t |
| Water capacity | 9,093 l |
| Fuel capacity | 3 t (coal) |
Boiler
| Property | Buenos Aires Great Southern classes 6, 6A and 6BRemove |
|---|---|
| Grate area | 0.945 m² |
| Firebox surface | 8.64 m² |
| Tube heating surface | 91.881 m² |
| Evaporative heating surface | 100.521 m² |
| Total heating surface | 100.5 m² |
Power plant
| Property | Buenos Aires Great Southern classes 6, 6A and 6BRemove |
|---|---|
| Driver diameter | 1,727 mm |
| Boiler pressure | 9.7 bar |
| Expansion type | compound |
| Cylinders | two, HP: 432 x 610 mm and LP: 622 x 610 mm |
Power
| Property | Buenos Aires Great Southern classes 6, 6A and 6BRemove |
|---|---|
| Power source | steam |
| Estimated power | 224 kW (305 PS) |
| Starting effort | 36.4 kN |
| Starting effort simple | 43.7 kN |
Calculated values
| Property | Buenos Aires Great Southern classes 6, 6A and 6BRemove |
|---|---|
| Factor of adhesion | 1 : 6.56 |
| Optimal speed | 37 km/h |
| Power-to-weight ratio | 5.3 kW/t |
| Heating Surface Equivalent | 143.7 m² |
| Cylinder volume/HSE | 1 : 1,266.16 |
| Adhesive weight/Total | 1 : 1.73 |
| Tractive force/Heating surface | 1 : 7.57 |
| Grate area/Heating surface | 1 : 106.37 |
| Firebox/Tube surface | 1 : 10.63 |
