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Western Maryland class H-4
The H-4 class includes a total of 16 Consolidations built by Baldwin, divided into ten of the actual class H-4 from 1901 and six H-4a of 1903. Some sources state that like the H-4b, these were originally built for the...
| Western Maryland class H-4Remove | |
|---|---|
| Variant | Standard |
| Built | 1901, 1903 |
| Manufacturers | Baldwin |
| Wheel arrangement | 1D |
| Gauge | 1435 mm |
| Length | |
| Service mass | 72121 kg |
| Top speed | |
| Power | |
| Engine |
General
| Property | Western Maryland class H-4 Standard Remove |
|---|---|
| Built | 1901, 1903 |
| Manufacturers | Baldwin |
| Wheel arrangement | 2-8-0 (Consolidation) |
| Gauge | 1,435 mm |
Dimensions and weights
| Property | Western Maryland class H-4 Standard Remove |
|---|---|
| Wheelbase | 7.21 m |
| Total wheelbase | 16.08 m |
| Service mass | 72.1 t |
| Adhesion mass | 64.2 t |
| Total mass | 124 t |
| Rigid wheelbase | 4.67 m |
| Axle load | 16.3 t |
| Water capacity | 30,283 l |
| Fuel capacity | 10.9 t (coal) |
Boiler
| Property | Western Maryland class H-4 Standard Remove |
|---|---|
| Grate area | 3.307 m² |
| Firebox surface | 17.744 m² |
| Tube heating surface | 194.539 m² |
| Evaporative heating surface | 212.284 m² |
| Total heating surface | 212.3 m² |
Power plant
| Property | Western Maryland class H-4 Standard Remove |
|---|---|
| Driver diameter | 1,422 mm |
| Boiler pressure | 12.4 bar |
| Expansion type | simple expansion |
| Cylinders | two, 559 x 711 mm |
Power
| Property | Western Maryland class H-4 Standard Remove |
|---|---|
| Power source | steam |
| Estimated power | 708 kW |
| Starting effort | 164.7 kN |
Calculated values
| Property | Western Maryland class H-4 Standard Remove |
|---|---|
| Factor of adhesion | 1 : 3.82 |
| Optimal speed | 26 km/h |
| Power-to-weight ratio | 9.8 kW/t |
| Heating Surface Equivalent | 301.0 m² |
| Cylinder volume/HSE | 1 : 1,158.92 |
| Adhesive weight/Total | 1 : 1.12 |
| Tractive force/Heating surface | 1 : 16.20 |
| Grate area/Heating surface | 1 : 64.19 |
| Firebox/Tube surface | 1 : 10.96 |
