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Boston & Maine No. 54 to 61
In 1872 and 1873, Manchester Locomotive Works built eight 4-4-0 locomotives for the Boston & Maine. They carried the works numbers 455 to 462 and received the running numbers 54 to 61. The names of these individual lo...
| Boston & Maine No. 54 to 61Remove | |
|---|---|
| Variant | Standard |
| Built | 1872-1873 |
| Manufacturers | Manchester Locomotive Works |
| Wheel arrangement | 2B |
| Gauge | 1435 mm |
| Length | |
| Service mass | 38555 kg |
| Top speed | |
| Power | |
| Engine |
General
| Property | Boston & Maine No. 54 to 61 Standard Remove |
|---|---|
| Built | 1872-1873 |
| Manufacturers | Manchester Locomotive Works |
| Wheel arrangement | 4-4-0 (American) |
| Gauge | 1,435 mm |
Dimensions and weights
| Property | Boston & Maine No. 54 to 61 Standard Remove |
|---|---|
| Service mass | 38.6 t |
| Adhesion mass | 24.9 t |
| Total mass | 61.2 t |
| Rigid wheelbase | 2.44 m |
| Axle load | 12.5 t |
| Water capacity | 10,221 l |
| Fuel capacity | 5.4 t (coal) |
Boiler
| Property | Boston & Maine No. 54 to 61 Standard Remove |
|---|---|
| Grate area | 1.505 m² |
| Firebox surface | 12.774 m² |
| Tube heating surface | 96.852 m² |
| Evaporative heating surface | 109.626 m² |
| Total heating surface | 109.6 m² |
Power plant
| Property | Boston & Maine No. 54 to 61 Standard Remove |
|---|---|
| Driver diameter | 1,676 mm |
| Boiler pressure | 10.3 bar |
| Expansion type | simple expansion |
| Cylinders | two, 432 x 559 mm |
Power
| Property | Boston & Maine No. 54 to 61 Standard Remove |
|---|---|
| Power source | steam |
| Estimated power | 298 kW (405 PS) |
| Starting effort | 54.6 kN |
Calculated values
| Property | Boston & Maine No. 54 to 61 Standard Remove |
|---|---|
| Factor of adhesion | 1 : 4.48 |
| Optimal speed | 34 km/h |
| Power-to-weight ratio | 7.7 kW/t |
| Heating Surface Equivalent | 173.5 m² |
| Cylinder volume/HSE | 1 : 943.30 |
| Adhesive weight/Total | 1 : 1.55 |
| Tractive force/Heating surface | 1 : 10.41 |
| Grate area/Heating surface | 1 : 72.84 |
| Firebox/Tube surface | 1 : 7.58 |
