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Chesapeake & Ohio classes J-1 and J-2
When hauling the new steel passenger cars over the Allegheny Mountains, the class F-15 Pacific locomotives quickly reached their limits, so that the trains could not consist of more than six cars. As a remedy, a new t...
General
| Property | Chesapeake & Ohio classes J-1 and J-2 Remove |
|---|---|
| Built | 1918-1919, 1922 |
| Manufacturers | ALCO, Baldwin |
| Wheel arrangement | 4-8-2 (Mountain) |
| Gauge | 1,435 mm (Standard gauge) |
Dimensions and weights
| Property | Chesapeake & Ohio classes J-1 and J-2 Remove |
|---|---|
| Wheelbase | 12.19 m |
| Rigid wheelbase | 5.56 m |
| Total wheelbase | 22.86 m |
| Service weight | 164.9 t |
| Adhesive weight | 112 t |
| Axle load | 28 t |
| Total weight | 301 t |
| Water capacity | 60,567 l |
| Fuel capacity | 7,631 l (oil) |
Boiler
| Property | Chesapeake & Ohio classes J-1 and J-2 Remove |
|---|---|
| Grate area | 7.079 m² |
| Firebox surface | 40.692 m² |
| Tube heating surface | 398.462 m² |
| Evaporative heating surface | 439.153 m² |
| Superheater surface | 100.8 m² |
| Total heating surface | 540.0 m² |
Power plant
| Property | Chesapeake & Ohio classes J-1 and J-2 Remove |
|---|---|
| Driver diameter | 1,753 mm |
| Boiler pressure | 13.8 bar |
| Expansion type | simple expansion |
| Cylinders | two, 711 x 762 mm |
Power
| Property | Chesapeake & Ohio classes J-1 and J-2 Remove |
|---|---|
| Power source | steam |
| Estimated power | 2,610 kW (3,549 PS) |
| Starting effort | 257.8 kN |
Calculated values
| Property | Chesapeake & Ohio classes J-1 and J-2 Remove |
|---|---|
| Factor of adhesion | 1 : 4.26 |
| Optimal speed | 63 km/h |
| Power-to-weight ratio | 15.8 kW/t |
| Heating Surface Equivalent | 844.2 m² |
| Cylinder volume/HSE | 1 : 717.14 |
| Adhesive weight/Total | 1 : 1.47 |
| Tractive force/Heating surface | 1 : 9.97 |
| Grate area/Heating surface | 1 : 76.28 |
| Firebox/Tube surface | 1 : 9.79 |
| Total/Superheater | 1 : 4.36 |
