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New York Central class L-3 “Mohawk”
The third of NYC's four classes of 4-8-2s, called “Mohawks” there, was the L-3. In contrast to its predecessors, it was not only intended to haul freight trains, but also passenger trains. An L-2d had already been mod...
| New York Central class L-3 “Mohawk”Remove | |
|---|---|
| Variant | |
| Built | 1940 |
| Manufacturers | ALCO |
| Wheel arrangement | 2D1 |
| Gauge | 1435 mm |
| Length | |
| Service mass | 180530 kg |
| Top speed | |
| Power | |
| Engine |
General
| Property | New York Central class L-3 “Mohawk”Remove |
|---|---|
| Built | 1940 |
| Manufacturers | ALCO |
| Wheel arrangement | 4-8-2 (Mountain) |
| Gauge | 1,435 mm |
Dimensions and weights
| Property | New York Central class L-3 “Mohawk”Remove |
|---|---|
| Wheelbase | 13.13 m |
| Service mass | 180.5 t |
| Adhesion mass | 119.9 t |
| Total mass | 350.3 t |
| Rigid wheelbase | 5.79 m |
| Axle load | 30 t |
| Water capacity | 58,674 l |
| Fuel capacity | 39 t (coal) |
Boiler
| Property | New York Central class L-3 “Mohawk”Remove |
|---|---|
| Grate area | 6.996 m² |
| Firebox surface | 34.653 m² |
| Tube heating surface | 399.762 m² |
| Evaporative heating surface | 434.415 m² |
| Superheater surface | 193.424 m² |
| Total heating surface | 627.8 m² |
Power plant
| Property | New York Central class L-3 “Mohawk”Remove |
|---|---|
| Driver diameter | 1,753 mm |
| Boiler pressure | 17.2 bar |
| Expansion type | simple expansion |
| Cylinders | two, 648 x 762 mm |
Power
| Property | New York Central class L-3 “Mohawk”Remove |
|---|---|
| Power source | steam |
| Indicated power | 3,818 kW (5,191 PS) |
| Starting effort | 267.2 kN |
Calculated values
| Property | New York Central class L-3 “Mohawk”Remove |
|---|---|
| Factor of adhesion | 1 : 4.40 |
| Optimal speed | 87 km/h |
| Power-to-weight ratio | 21.1 kW/t |
| Heating Surface Equivalent | 994.5 m² |
| Cylinder volume/HSE | 1 : 504.90 |
| Adhesive weight/Total | 1 : 1.51 |
| Tractive force/Heating surface | 1 : 8.89 |
| Grate area/Heating surface | 1 : 89.74 |
| Firebox/Tube surface | 1 : 11.54 |
| Total/Superheater | 1 : 2.25 |
