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Boston & Maine class B-15
Between 1903 and 1907, ALCO built 140 Moguls for the Boston & Maine. These were numbered between 1360 and 1499 and the first variant was designated B-15. All of these were built at Manchester between 1903 and 1907. A ...
| Boston & Maine class B-15Remove | |
|---|---|
| Variant | rebuilt B-15b, B-15c |
| Built | ab 1918 |
| Manufacturers | Boston & Maine |
| Wheel arrangement | 1C |
| Gauge | 1435 mm |
| Length | |
| Service mass | 68039 kg |
| Top speed | |
| Power | |
| Engine |
General
| Property | Boston & Maine class B-15rebuilt B-15b, B-15c |
|---|---|
| Built | ab 1918 |
| Manufacturers | Boston & Maine |
| Wheel arrangement | 2-6-0 (Mogul) |
| Gauge | 1,435 mm |
Dimensions and weights
| Property | Boston & Maine class B-15rebuilt B-15b, B-15c |
|---|---|
| Wheelbase | 6.93 m |
| Total wheelbase | 15.60 m |
| Service mass | 68 t |
| Adhesion mass | 58.1 t |
| Total mass | 100.2 t |
| Rigid wheelbase | 4.57 m |
| Axle load | 20.8 t |
| Water capacity | 18,927 l |
| Fuel capacity | 9.1 t (coal) |
Boiler
| Property | Boston & Maine class B-15rebuilt B-15b, B-15c |
|---|---|
| Grate area | 2.815 m² |
| Firebox surface | 14.679 m² |
| Tube heating surface | 119.659 m² |
| Evaporative heating surface | 134.338 m² |
| Superheater surface | 28.057 m² |
| Total heating surface | 162.4 m² |
Power plant
| Property | Boston & Maine class B-15rebuilt B-15b, B-15c |
|---|---|
| Driver diameter | 1,600 mm |
| Boiler pressure | 13.8 bar |
| Expansion type | simple expansion |
| Cylinders | two, 483 x 660 mm |
Power
| Property | Boston & Maine class B-15rebuilt B-15b, B-15c |
|---|---|
| Power source | steam |
| Estimated power | 858 kW (1,167 PS) |
| Starting effort | 112.7 kN |
Calculated values
| Property | Boston & Maine class B-15rebuilt B-15b, B-15c |
|---|---|
| Factor of adhesion | 1 : 5.06 |
| Optimal speed | 47 km/h |
| Power-to-weight ratio | 12.6 kW/t |
| Heating Surface Equivalent | 263.8 m² |
| Cylinder volume/HSE | 1 : 915.69 |
| Adhesive weight/Total | 1 : 1.17 |
| Tractive force/Heating surface | 1 : 14.49 |
| Grate area/Heating surface | 1 : 57.69 |
| Firebox/Tube surface | 1 : 8.15 |
| Total/Superheater | 1 : 4.79 |
