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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 | |
| Built | 1905-1906 |
| Manufacturers | ALCO |
| Wheel arrangement | 1D |
| Gauge | 1435 mm |
| Length | |
| Service mass | 94574 kg |
| Top speed | |
| Power | |
| Engine |
General
| Property | Baltimore & Ohio class E-27Remove |
|---|---|
| Built | 1905-1906 |
| Manufacturers | ALCO |
| Wheel arrangement | 2-8-0 (Consolidation) |
| Gauge | 1,435 mm |
Dimensions and weights
| Property | Baltimore & Ohio class E-27Remove |
|---|---|
| Wheelbase | 7.80 m |
| Total wheelbase | 18.19 m |
| Service mass | 94.6 t |
| Adhesion mass | 84.3 t |
| Total mass | 159.7 t |
| Rigid wheelbase | 5.08 m |
| Axle load | 21.1 t |
| Water capacity | 26,498 l |
| Fuel capacity | 13.6 t (coal) |
Boiler
| Property | Baltimore & Ohio class E-27Remove |
|---|---|
| Grate area | 5.225 m² |
| Firebox surface | 16.658 m² |
| Tube heating surface | 244.307 m² |
| Evaporative heating surface | 260.965 m² |
| Total heating surface | 261.0 m² |
Power plant
| Property | Baltimore & Ohio class E-27Remove |
|---|---|
| Driver diameter | 1,524 mm |
| Boiler pressure | 14.1 bar |
| Expansion type | simple expansion |
| Cylinders | two, 559 x 762 mm |
Power
| Property | Baltimore & Ohio class E-27Remove |
|---|---|
| Power source | steam |
| Estimated power | 1,230 kW |
| Starting effort | 187.6 kN |
Calculated values
| Property | Baltimore & Ohio class E-27Remove |
|---|---|
| Factor of adhesion | 1 : 4.41 |
| Optimal speed | 40 km/h |
| Power-to-weight ratio | 13.0 kW/t |
| Heating Surface Equivalent | 344.3 m² |
| Cylinder volume/HSE | 1 : 1,085.69 |
| Adhesive weight/Total | 1 : 1.12 |
| Tractive force/Heating surface | 1 : 15.01 |
| Grate area/Heating surface | 1 : 49.95 |
| Firebox/Tube surface | 1 : 14.67 |
