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London & North Eastern class Y10
The LNER class Y10 consisted of two tank locomotives supplied by Sentinel. A special feature was the gearbox, which could be switched between two speeds while stationary. A vertical water tube boiler was also used, wh...
| London & North Eastern class Y10Remove | |
|---|---|
| Variant | Standard |
| Built | 1930 |
| Manufacturers | Sentinel Waggon Works |
| Wheel arrangement | B t |
| Gauge | 1435 mm |
| Length | 7068 mm |
| Service mass | 24334 kg |
| Top speed | |
| Power | |
| Engine |
General
| Property | London & North Eastern class Y10 Standard Remove |
|---|---|
| Built | 1930 |
| Manufacturers | Sentinel Waggon Works |
| Wheel arrangement | 0-4-0T (Four-coupled) |
| Gauge | 1,435 mm |
Dimensions and weights
| Property | London & North Eastern class Y10 Standard Remove |
|---|---|
| Length | 7.07 m |
| Wheelbase | 1.83 m |
| Service mass | 24.3 t |
| Adhesion mass | 24.3 t |
| Rigid wheelbase | 1.83 m |
| Axle load | 12.5 t |
| Water capacity | 2,729 l |
| Fuel capacity | 0.6 t (coal) |
Boiler
| Property | London & North Eastern class Y10 Standard Remove |
|---|---|
| Grate area | 0.604 m² |
| Firebox surface | 4.738 m² |
| Tube heating surface | 10.034 m² |
| Evaporative heating surface | 14.772 m² |
| Superheater surface | 3.716 m² |
| Total heating surface | 18.5 m² |
Power plant
| Property | London & North Eastern class Y10 Standard Remove |
|---|---|
| Driver diameter | 965 mm |
| Boiler pressure | 19 bar |
| Expansion type | simple expansion |
| Cylinders | four, 171 x 229 mm |
Power
| Property | London & North Eastern class Y10 Standard Remove |
|---|---|
| Power source | steam |
| Estimated power | 149 kW (203 PS) |
| Starting effort | 50.9 kN |
Calculated values
| Property | London & North Eastern class Y10 Standard Remove |
|---|---|
| Factor of adhesion | 1 : 4.69 |
| Optimal speed | 40 km/h |
| Power-to-weight ratio | 6.1 kW/t |
| Heating Surface Equivalent | 45.9 m² |
| Cylinder volume/HSE | 1 : 459.99 |
| Adhesive weight/Total | 1 : 1.00 |
| Tractive force/Heating surface | 1 : 57.46 |
| Grate area/Heating surface | 1 : 30.61 |
| Firebox/Tube surface | 1 : 2.12 |
| Total/Superheater | 1 : 3.98 |
