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New Zealand Railways class L
The class L comprised ten 2-4-0T tank locomotives built by the Avonside Engine Co. in 1877. Their boiler was closely related to that of the class F 0-6-0ST, but the addition of a leading axle was intended to improve r...
| New Zealand Railways class LRemove | |
|---|---|
| Variant | Standard |
| Built | 1877 |
| Manufacturers | Avonside |
| Wheel arrangement | 1B t |
| Gauge | 1067 mm |
| Length | 7328 mm |
| Service mass | 18797 kg |
| Top speed | |
| Power | |
| Engine |
General
| Property | New Zealand Railways class L Standard Remove |
|---|---|
| Built | 1877 |
| Manufacturers | Avonside |
| Wheel arrangement | 2-4-0T (Porter) |
| Gauge | 1,067 mm |
Dimensions and weights
| Property | New Zealand Railways class L Standard Remove |
|---|---|
| Length | 7.33 m |
| Wheelbase | 3.79 m |
| Service mass | 18.8 t |
| Adhesion mass | 13.4 t |
| Rigid wheelbase | 2.13 m |
Boiler
| Property | New Zealand Railways class L Standard Remove |
|---|---|
| Grate area | 0.855 m² |
| Evaporative heating surface | 45.151 m² |
| Total heating surface | 45.2 m² |
Power plant
| Property | New Zealand Railways class L Standard Remove |
|---|---|
| Driver diameter | 914 mm |
| Boiler pressure | 9 bar |
| Expansion type | simple expansion |
| Cylinders | two, 267 x 457 mm |
Power
| Property | New Zealand Railways class L Standard Remove |
|---|---|
| Power source | steam |
| Estimated power | 134 kW (182 PS) |
| Starting effort | 27.1 kN |
Calculated values
| Property | New Zealand Railways class L Standard Remove |
|---|---|
| Factor of adhesion | 1 : 4.86 |
| Optimal speed | 31 km/h |
| Power-to-weight ratio | 7.1 kW/t |
| Adhesive weight/Total | 1 : 1.40 |
| Tractive force/Heating surface | 1 : 12.53 |
| Grate area/Heating surface | 1 : 52.81 |
