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Baltimore & Ohio class E-27
The largest class of Consolidations built for the Baltimore & Ohio was the E-27. The intended area of service were heavy freight trains on both flat and mountainous routes. In order to keep the strain on the locomotiv...
| Baltimore & Ohio class E-27Remove | |
|---|---|
| Variant | E-27b - 1910 |
| Built | 1910 |
| Manufacturers | ALCO |
| Wheel arrangement | 1D |
| Gauge | 1435 mm |
| Length | |
| Service mass | 99927 kg |
| Top speed | |
| Power | |
| Engine |
General
| Property | Baltimore & Ohio class E-27E-27b - 1910 |
|---|---|
| Built | 1910 |
| Manufacturers | ALCO |
| Wheel arrangement | 2-8-0 (Consolidation) |
| Gauge | 1,435 mm |
Dimensions and weights
| Property | Baltimore & Ohio class E-27E-27b - 1910 |
|---|---|
| Wheelbase | 7.80 m |
| Total wheelbase | 18.19 m |
| Service mass | 99.9 t |
| Adhesion mass | 88.7 t |
| Total mass | 167.1 t |
| Rigid wheelbase | 5.08 m |
| Axle load | 22.2 t |
| Water capacity | 28,391 l |
| Fuel capacity | 16.3 t (coal) |
Boiler
| Property | Baltimore & Ohio class E-27E-27b - 1910 |
|---|---|
| Grate area | 5.3 m² |
| Firebox surface | 16.658 m² |
| Tube heating surface | 247.931 m² |
| Evaporative heating surface | 264.588 m² |
| Total heating surface | 264.6 m² |
Power plant
| Property | Baltimore & Ohio class E-27E-27b - 1910 |
|---|---|
| Driver diameter | 1,575 mm |
| Boiler pressure | 14.1 bar |
| Expansion type | simple expansion |
| Cylinders | two, 559 x 762 mm |
Power
| Property | Baltimore & Ohio class E-27E-27b - 1910 |
|---|---|
| Power source | steam |
| Estimated power | 1,249 kW (1,698 PS) |
| Starting effort | 181.5 kN |
Calculated values
| Property | Baltimore & Ohio class E-27E-27b - 1910 |
|---|---|
| Factor of adhesion | 1 : 4.79 |
| Optimal speed | 42 km/h |
| Power-to-weight ratio | 12.5 kW/t |
| Heating Surface Equivalent | 347.9 m² |
| Cylinder volume/HSE | 1 : 1,074.38 |
| Adhesive weight/Total | 1 : 1.13 |
| Tractive force/Heating surface | 1 : 14.33 |
| Grate area/Heating surface | 1 : 49.92 |
| Firebox/Tube surface | 1 : 14.88 |
