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Delaware, Lackawanna & Western classes G-2 to G-9
For commuter trains, the Lackawanna needed a passenger locomotive that would combine the ability to burn culm , what means waste from anthracite mining, with the simplest possible maintenance and high tractive effort....
| Delaware, Lackawanna & Western classes G-2 to G-9Remove | |
|---|---|
| Variant | rebuilt G2a to G-6a |
| Built | 1916-1921 |
| Manufacturers | ALCO;Baldwin |
| Wheel arrangement | 2B |
| Gauge | 1435 mm |
| Length | |
| Service mass | 72212 kg |
| Top speed | |
| Power | |
| Engine |
General
| Property | Delaware, Lackawanna & Western classes G-2 to G-9rebuilt G2a to G-6a |
|---|---|
| Built | 1916-1921 |
| Manufacturers | ALCO, Baldwin |
| Wheel arrangement | 4-4-0 (American) |
| Gauge | 1,435 mm |
Dimensions and weights
| Property | Delaware, Lackawanna & Western classes G-2 to G-9rebuilt G2a to G-6a |
|---|---|
| Wheelbase | 7.44 m |
| Total wheelbase | 15.67 m |
| Service mass | 72.2 t |
| Adhesion mass | 48.3 t |
| Total mass | 124.8 t |
| Rigid wheelbase | 2.59 m |
| Axle load | 24.1 t |
| Water capacity | 18,927 l |
| Fuel capacity | 9.1 t (coal) |
Boiler
| Property | Delaware, Lackawanna & Western classes G-2 to G-9rebuilt G2a to G-6a |
|---|---|
| Grate area | 8.148 m² |
| Firebox surface | 15.329 m² |
| Tube heating surface | 132.48 m² |
| Evaporative heating surface | 147.809 m² |
| Superheater surface | 31.587 m² |
| Total heating surface | 179.4 m² |
Power plant
| Property | Delaware, Lackawanna & Western classes G-2 to G-9rebuilt G2a to G-6a |
|---|---|
| Driver diameter | 1,753 mm |
| Boiler pressure | 12.8 bar |
| Expansion type | simple expansion |
| Cylinders | two, 508 x 660 mm |
Power
| Property | Delaware, Lackawanna & Western classes G-2 to G-9rebuilt G2a to G-6a |
|---|---|
| Power source | steam |
| Estimated power | 1,119 kW (1,521 PS) |
| Starting effort | 105.4 kN |
Calculated values
| Property | Delaware, Lackawanna & Western classes G-2 to G-9rebuilt G2a to G-6a |
|---|---|
| Factor of adhesion | 1 : 4.49 |
| Optimal speed | 64 km/h |
| Power-to-weight ratio | 15.5 kW/t |
| Heating Surface Equivalent | 287.6 m² |
| Cylinder volume/HSE | 1 : 930.73 |
| Adhesive weight/Total | 1 : 1.50 |
| Tractive force/Heating surface | 1 : 12.27 |
| Grate area/Heating surface | 1 : 22.02 |
| Firebox/Tube surface | 1 : 8.64 |
| Total/Superheater | 1 : 4.68 |
