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Great North of Scotland No. 28 to 36
William Cowan joined the Great North of Scotland in 1857 as Chief Engineer and soon had to order new locomotives due to growth in traffic. The three locomotives delivered by Robert Stephenson & Co. in 1861 were among ...
| Great North of Scotland No. 28 to 36Remove | |
|---|---|
| Variant | Standard |
| Built | 1861, 1863 |
| Manufacturers | Robert Stephenson & Co. |
| Wheel arrangement | 2B |
| Gauge | 1435 mm |
| Length | |
| Service mass | 35054 kg |
| Top speed | |
| Power | |
| Engine |
General
| Property | Great North of Scotland No. 28 to 36 Standard Remove |
|---|---|
| Built | 1861, 1863 |
| Manufacturers | Robert Stephenson & Co. |
| Wheel arrangement | 4-4-0 (American) |
| Gauge | 1,435 mm |
Dimensions and weights
| Property | Great North of Scotland No. 28 to 36 Standard Remove |
|---|---|
| Service mass | 35.1 t |
| Adhesion mass | 15.7 t |
| Axle load | 7.9 t |
Boiler
| Property | Great North of Scotland No. 28 to 36 Standard Remove |
|---|---|
| Grate area | 0.952 m² |
| Firebox surface | 6.262 m² |
| Tube heating surface | 83.427 m² |
| Evaporative heating surface | 89.689 m² |
| Total heating surface | 89.7 m² |
Power plant
| Property | Great North of Scotland No. 28 to 36 Standard Remove |
|---|---|
| Driver diameter | 1,549 mm |
| Boiler pressure | 9.7 bar |
| Expansion type | simple expansion |
| Cylinders | two, 406 x 559 mm |
Power
| Property | Great North of Scotland No. 28 to 36 Standard Remove |
|---|---|
| Power source | steam |
| Estimated power | 149 kW (203 PS) |
| Starting effort | 48.9 kN |
Calculated values
| Property | Great North of Scotland No. 28 to 36 Standard Remove |
|---|---|
| Factor of adhesion | 1 : 3.16 |
| Optimal speed | 19 km/h |
| Power-to-weight ratio | 4.3 kW/t |
| Heating Surface Equivalent | 121.0 m² |
| Cylinder volume/HSE | 1 : 1,198.12 |
| Adhesive weight/Total | 1 : 2.23 |
| Tractive force/Heating surface | 1 : 11.38 |
| Grate area/Heating surface | 1 : 94.21 |
| Firebox/Tube surface | 1 : 13.32 |
