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Great Western Railway class 3300 “Bulldog” und 3441 “Bird”
For express trains on more hilly main lines, such as Devon and Cornwall, William Dean envisaged 4-4-0 locomotives with a driving wheel diameter of five feet and eight inches. Based on his Duke class, he built No. 3312...
General
| Property | Great Western Railway class 3300 “Bulldog” und 3441 “Bird” Remove |
|---|---|
| Built | 1909 |
| Manufacturers | Swindon |
| Wheel arrangement | 4-4-0 (American) |
| Gauge | 1,435 mm (Standard gauge) |
Dimensions and weights
| Property | Great Western Railway class 3300 “Bulldog” und 3441 “Bird” Remove |
|---|---|
| Length | 17.13 m |
| Wheelbase | 6.78 m |
| Rigid wheelbase | 2.59 m |
| Total wheelbase | 14.12 m |
| Service weight | 52.6 t |
| Adhesive weight | 35 t |
| Axle load | 17.9 t |
| Total weight | 90 t |
| Water capacity | 13,639 l |
| Fuel capacity | 6 t (coal) |
Boiler
| Property | Great Western Railway class 3300 “Bulldog” und 3441 “Bird” Remove |
|---|---|
| Grate area | 1.877 m² |
| Firebox surface | 11.204 m² |
| Tube heating surface | 129.786 m² |
| Evaporative heating surface | 140.99 m² |
| Total heating surface | 141.0 m² |
Power plant
| Property | Great Western Railway class 3300 “Bulldog” und 3441 “Bird” Remove |
|---|---|
| Driver diameter | 1,727 mm |
| Boiler pressure | 13.4 bar |
| Expansion type | simple expansion |
| Cylinders | two, 457 x 660 mm |
Power
| Property | Great Western Railway class 3300 “Bulldog” und 3441 “Bird” Remove |
|---|---|
| Power source | steam |
| Estimated power | 597 kW (812 PS) |
| Starting effort | 91.3 kN |
Calculated values
| Property | Great Western Railway class 3300 “Bulldog” und 3441 “Bird” Remove |
|---|---|
| Factor of adhesion | 1 : 3.75 |
| Optimal speed | 40 km/h |
| Power-to-weight ratio | 11.3 kW/t |
| Heating Surface Equivalent | 197.0 m² |
| Cylinder volume/HSE | 1 : 1,100.65 |
| Adhesive weight/Total | 1 : 1.51 |
| Tractive force/Heating surface | 1 : 13.53 |
| Grate area/Heating surface | 1 : 75.11 |
| Firebox/Tube surface | 1 : 11.58 |
