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New York, West Shore & Buffalo class A-2
In 1882 and 1883, Rogers delivered 30 4-4-0 locomotives to the New York, West Shore & Buffalo which were designated class A-2. With these locomotives Rogers established the combination of inside Stephenson valve gear ...
| New York, West Shore & Buffalo class A-2Remove | |
|---|---|
| Variant | Standard |
| Built | 1882-1883 |
| Manufacturers | Rogers |
| Wheel arrangement | 2B |
| Gauge | 1435 mm |
| Length | 17307 mm |
| Service mass | 49487 kg |
| Top speed | |
| Power | |
| Engine |
General
| Property | New York, West Shore & Buffalo class A-2 Standard Remove |
|---|---|
| Built | 1882-1883 |
| Manufacturers | Rogers |
| Wheel arrangement | 4-4-0 (American) |
| Gauge | 1,435 mm |
Dimensions and weights
| Property | New York, West Shore & Buffalo class A-2 Standard Remove |
|---|---|
| Length | 17.31 m |
| Length loco | 10.17 m |
| Wheelbase | 6.95 m |
| Service mass | 49.5 t |
| Adhesion mass | 33.7 t |
| Total mass | 78.5 t |
| Rigid wheelbase | 2.59 m |
| Axle load | 16.9 t |
| Water capacity | 11,356 l |
| Fuel capacity | 4.5 t (coal) |
Boiler
| Property | New York, West Shore & Buffalo class A-2 Standard Remove |
|---|---|
| Grate area | 1.603 m² |
| Firebox surface | 13.935 m² |
| Tube heating surface | 125.884 m² |
| Evaporative heating surface | 139.819 m² |
| Total heating surface | 139.8 m² |
Power plant
| Property | New York, West Shore & Buffalo class A-2 Standard Remove |
|---|---|
| Driver diameter | 1,753 mm |
| Boiler pressure | 10 bar |
| Expansion type | simple expansion |
| Cylinders | two, 457 x 610 mm |
Power
| Property | New York, West Shore & Buffalo class A-2 Standard Remove |
|---|---|
| Power source | steam |
| Estimated power | 373 kW (507 PS) |
| Starting effort | 61.8 kN |
Calculated values
| Property | New York, West Shore & Buffalo class A-2 Standard Remove |
|---|---|
| Factor of adhesion | 1 : 5.35 |
| Optimal speed | 37 km/h |
| Power-to-weight ratio | 7.5 kW/t |
| Heating Surface Equivalent | 209.5 m² |
| Cylinder volume/HSE | 1 : 955.44 |
| Adhesive weight/Total | 1 : 1.47 |
| Tractive force/Heating surface | 1 : 9.23 |
| Grate area/Heating surface | 1 : 87.22 |
| Firebox/Tube surface | 1 : 9.03 |
