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Rio Grande do Sul class 1001
For heavy passenger service on their metre-gauge network laid with light rails, the Rio Grande do Sul operated a total of 42 4-8-4 locomotives built in 1945 and 1946. Although heavy for non-articulated locomotives on ...
| Rio Grande do Sul class 1001Remove | |
|---|---|
| Variant | Standard |
| Built | 1945-1946 |
| Manufacturers | ALCO;Montreal Locomotive Works |
| Wheel arrangement | 2D2 |
| Gauge | 1000 mm |
| Length | |
| Service mass | 97976 kg |
| Top speed | |
| Power | |
| Engine |
General
| Property | Rio Grande do Sul class 1001 Standard Remove |
|---|---|
| Built | 1945-1946 |
| Manufacturers | ALCO, Montreal Locomotive Works |
| Wheel arrangement | 4-8-4 (Northern) |
| Gauge | 1,000 mm |
Dimensions and weights
| Property | Rio Grande do Sul class 1001 Standard Remove |
|---|---|
| Wheelbase | 11.28 m |
| Total wheelbase | 22.23 m |
| Service mass | 98 t |
| Adhesion mass | 52.2 t |
| Total mass | 175.1 t |
| Rigid wheelbase | 4.80 m |
| Axle load | 13 t |
| Water capacity | 20,002 l |
| Fuel capacity | 20.3 t (coal) |
Boiler
| Property | Rio Grande do Sul class 1001 Standard Remove |
|---|---|
| Grate area | 5.249 m² |
| Firebox surface | 27.964 m² |
| Tube heating surface | 162.859 m² |
| Evaporative heating surface | 190.823 m² |
| Superheater surface | 60.573 m² |
| Total heating surface | 251.4 m² |
Power plant
| Property | Rio Grande do Sul class 1001 Standard Remove |
|---|---|
| Driver diameter | 1,499 mm |
| Boiler pressure | 16.2 bar |
| Expansion type | simple expansion |
| Cylinders | two, 457 x 711 mm |
Power
| Property | Rio Grande do Sul class 1001 Standard Remove |
|---|---|
| Power source | steam |
| Estimated power | 1,864 kW (2,534 PS) |
| Starting effort | 136.6 kN |
Calculated values
| Property | Rio Grande do Sul class 1001 Standard Remove |
|---|---|
| Factor of adhesion | 1 : 3.75 |
| Optimal speed | 84 km/h |
| Power-to-weight ratio | 19.0 kW/t |
| Heating Surface Equivalent | 451.8 m² |
| Cylinder volume/HSE | 1 : 516.88 |
| Adhesive weight/Total | 1 : 1.88 |
| Tractive force/Heating surface | 1 : 11.35 |
| Grate area/Heating surface | 1 : 47.89 |
| Firebox/Tube surface | 1 : 5.82 |
| Total/Superheater | 1 : 3.15 |
