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London & North Eastern class V2 “Green Arrow”
For fast mixed traffic, Gresley took his A1 and A3 Pacifics, shortened the boiler, switched the two-axle leading bogie for a single axle and fitted smaller 6 ft 2 in (1,880 mm) driving wheels . So they still had three...
| London & North Eastern class V2 “Green Arrow”Remove | |
|---|---|
| Variant | Standard |
| Built | 1936-1944 |
| Manufacturers | Doncaster;Darlington |
| Wheel arrangement | 1C1 |
| Gauge | 1435 mm |
| Length | 20247 mm |
| Service mass | 94594 kg |
| Top speed | |
| Power | |
| Engine |
General
| Property | London & North Eastern class V2 “Green Arrow” Standard Remove |
|---|---|
| Built | 1936-1944 |
| Manufacturers | Doncaster, Darlington |
| Wheel arrangement | 2-6-2 (Prairie) |
| Gauge | 1,435 mm |
Dimensions and weights
| Property | London & North Eastern class V2 “Green Arrow” Standard Remove |
|---|---|
| Length | 20.25 m |
| Wheelbase | 10.26 m |
| Total wheelbase | 17.12 m |
| Service mass | 94.6 t |
| Adhesion mass | 66.7 t |
| Total mass | 147.4 t |
| Rigid wheelbase | 4.72 m |
| Axle load | 22.4 t |
| Water capacity | 19,094 l |
| Fuel capacity | 7.6 t (coal) |
Boiler
| Property | London & North Eastern class V2 “Green Arrow” Standard Remove |
|---|---|
| Grate area | 3.832 m² |
| Firebox surface | 19.974 m² |
| Tube heating surface | 205.873 m² |
| Evaporative heating surface | 225.848 m² |
| Superheater surface | 63.174 m² |
| Total heating surface | 289.0 m² |
Power plant
| Property | London & North Eastern class V2 “Green Arrow” Standard Remove |
|---|---|
| Driver diameter | 1,880 mm |
| Boiler pressure | 15.2 bar |
| Expansion type | simple expansion |
| Cylinders | three, 470 x 660 mm |
Power
| Property | London & North Eastern class V2 “Green Arrow” Standard Remove |
|---|---|
| Power source | steam |
| Estimated power | 1,752 kW (2,382 PS) |
| Starting effort | 150.0 kN |
Calculated values
| Property | London & North Eastern class V2 “Green Arrow” Standard Remove |
|---|---|
| Factor of adhesion | 1 : 4.36 |
| Optimal speed | 71 km/h |
| Power-to-weight ratio | 18.5 kW/t |
| Heating Surface Equivalent | 452.1 m² |
| Cylinder volume/HSE | 1 : 760.03 |
| Adhesive weight/Total | 1 : 1.42 |
| Tractive force/Heating surface | 1 : 10.84 |
| Grate area/Heating surface | 1 : 75.42 |
| Firebox/Tube surface | 1 : 10.31 |
| Total/Superheater | 1 : 3.58 |
