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London & North Western Jubilee class
As a successor to the unconventional Teutonic class with a very large low-pressure cylinder and uncoupled driving axles , Francis William Webb developed the more conventional Jubilee class. The leading axle was replac...
General
| Property | London & North Western Jubilee classRemove |
|---|---|
| Built | 1897-1900 |
| Manufacturers | Crewe |
| Wheel arrangement | 4-4-0 (American) |
| Gauge | 1,435 mm (Standard gauge) |
Dimensions and weights
| Property | London & North Western Jubilee classRemove |
|---|---|
| Wheelbase | 7.06 m |
| Rigid wheelbase | 2.95 m |
| Service weight | 55.4 t |
| Adhesive weight | 36.1 t |
| Axle load | 18.3 t |
| Total weight | 82.4 t |
| Fuel capacity | 5.1 t (coal) |
Boiler
| Property | London & North Western Jubilee classRemove |
|---|---|
| Grate area | 1.905 m² |
| Firebox surface | 14.772 m² |
| Tube heating surface | 128.16 m² |
| Evaporative heating surface | 142.931 m² |
| Total heating surface | 142.9 m² |
Power plant
| Property | London & North Western Jubilee classRemove |
|---|---|
| Driver diameter | 2,159 mm |
| Boiler pressure | 13.8 bar |
| Expansion type | compound |
| Cylinders | four, HP: 381 x 610 mm and LP: 521 x 610 mm |
Power
| Property | London & North Western Jubilee classRemove |
|---|---|
| Power source | steam |
| Estimated power | 671 kW (912 PS) |
| Starting effort | 62.6 kN |
| Starting effort simple | 75.1 kN |
Calculated values
| Property | London & North Western Jubilee classRemove |
|---|---|
| Factor of adhesion | 1 : 5.65 |
| Optimal speed | 66 km/h |
| Power-to-weight ratio | 12.1 kW/t |
| Heating Surface Equivalent | 216.8 m² |
| Cylinder volume/HSE | 1 : 1,239.95 |
| Adhesive weight/Total | 1 : 1.54 |
| Tractive force/Heating surface | 1 : 9.14 |
| Grate area/Heating surface | 1 : 75.03 |
| Firebox/Tube surface | 1 : 8.68 |
