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Big Four class Y, later class B-3
In 1893, Schenectady built ten 4-4-0 locomotives for the Big Four which were to be used on the Columbus Division. Designed by E.P. Lord, they had a Belpaire firebox , inside Stephenson valve gear, outside cylinders an...
General
| Property | Big Four class Y, later class B-3Remove |
|---|---|
| Built | 1893 |
| Manufacturers | Schenectady |
| Wheel arrangement | 4-4-0 (American) |
| Gauge | 1,435 mm (Standard gauge) |
Dimensions and weights
| Property | Big Four class Y, later class B-3Remove |
|---|---|
| Wheelbase | 6.92 m |
| Rigid wheelbase | 2.36 m |
| Service weight | 58.6 t |
| Adhesive weight | 39.2 t |
| Axle load | 19.6 t |
| Total weight | 97.3 t |
| Water capacity | 15,142 l |
| Fuel capacity | 6.4 t (coal) |
Boiler
| Property | Big Four class Y, later class B-3Remove |
|---|---|
| Grate area | 2.908 m² |
| Firebox surface | 13.354 m² |
| Tube heating surface | 132.504 m² |
| Evaporative heating surface | 145.858 m² |
| Total heating surface | 145.9 m² |
Power plant
| Property | Big Four class Y, later class B-3Remove |
|---|---|
| Driver diameter | 1,753 mm |
| Boiler pressure | 12.1 bar |
| Expansion type | simple expansion |
| Cylinders | two, 470 x 610 mm |
Power
| Property | Big Four class Y, later class B-3Remove |
|---|---|
| Power source | steam |
| Estimated power | 582 kW (791 PS) |
| Starting effort | 78.8 kN |
Calculated values
| Property | Big Four class Y, later class B-3Remove |
|---|---|
| Factor of adhesion | 1 : 4.89 |
| Optimal speed | 45 km/h |
| Power-to-weight ratio | 9.9 kW/t |
| Heating Surface Equivalent | 212.6 m² |
| Cylinder volume/HSE | 1 : 994.39 |
| Adhesive weight/Total | 1 : 1.49 |
| Tractive force/Heating surface | 1 : 11.28 |
| Grate area/Heating surface | 1 : 50.16 |
| Firebox/Tube surface | 1 : 9.92 |
