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Great Eastern class T26
James Holden designed the T26 as a derivative of the T19, which was intended for mixed service. Accordingly, he used significantly smaller driving wheels , which only had a diameter of 5 feet 8 inches. The boiler pres...
| Great Eastern class T26Remove | |
|---|---|
| Variant | as built |
| Built | 1891-1902 |
| Manufacturers | Stratford |
| Wheel arrangement | 1B |
| Gauge | 1435 mm |
| Length | 14681 mm |
| Service mass | 40947 kg |
| Top speed | |
| Power | |
| Engine |
General
| Property | Great Eastern class T26as built |
|---|---|
| Built | 1891-1902 |
| Manufacturers | Stratford |
| Wheel arrangement | 2-4-0 (Porter) |
| Gauge | 1,435 mm |
Dimensions and weights
| Property | Great Eastern class T26as built |
|---|---|
| Length | 14.68 m |
| Wheelbase | 5.03 m |
| Service mass | 40.9 t |
| Adhesion mass | 26.6 t |
| Total mass | 72.1 t |
| Rigid wheelbase | 5.03 m |
| Axle load | 13.9 t |
| Water capacity | 12,004 l |
| Fuel capacity | 5.1 t (coal) |
Boiler
| Property | Great Eastern class T26as built |
|---|---|
| Grate area | 1.672 m² |
| Firebox surface | 9.374 m² |
| Tube heating surface | 102.853 m² |
| Evaporative heating surface | 112.227 m² |
| Total heating surface | 112.2 m² |
Power plant
| Property | Great Eastern class T26as built |
|---|---|
| Driver diameter | 1,727 mm |
| Boiler pressure | 9.7 bar |
| Expansion type | simple expansion |
| Cylinders | two, 444 x 610 mm |
Power
| Property | Great Eastern class T26as built |
|---|---|
| Power source | steam |
| Estimated power | 391 kW (532 PS) |
| Starting effort | 57.2 kN |
Calculated values
| Property | Great Eastern class T26as built |
|---|---|
| Factor of adhesion | 1 : 4.56 |
| Optimal speed | 42 km/h |
| Power-to-weight ratio | 9.5 kW/t |
| Heating Surface Equivalent | 159.1 m² |
| Cylinder volume/HSE | 1 : 1,189.18 |
| Adhesive weight/Total | 1 : 1.54 |
| Tractive force/Heating surface | 1 : 10.65 |
| Grate area/Heating surface | 1 : 67.12 |
| Firebox/Tube surface | 1 : 10.97 |
