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Ffestiniog Railway No. 5 and 6 “Large England Class”
The No. 5 “Welsh Pony” and No. 6 “Little Giant” were ordered by the Ffestiniog Railway in 1867 when the existing four locomotives were no longer able to meet demand. They were also built by George England and had the ...
General
| Property | Ffestiniog Railway No. 5 and 6 “Large England Class”Remove |
|---|---|
| Built | 1867 |
| Manufacturers | George England |
| Wheel arrangement | 0-4-0TT (Four-coupled) |
| Gauge | 597 mm |
Dimensions and weights
| Property | Ffestiniog Railway No. 5 and 6 “Large England Class”Remove |
|---|---|
| Wheelbase | 1.52 m |
| Rigid wheelbase | 1.52 m |
| Service weight | 10.2 t |
| Adhesive weight | 10.2 t |
| Axle load | 5.1 t |
| Water capacity | 1,900 l |
Boiler
| Property | Ffestiniog Railway No. 5 and 6 “Large England Class”Remove |
|---|---|
| Grate area | 0.372 m² |
| Firebox surface | 2.044 m² |
| Tube heating surface | 32.981 m² |
| Evaporative heating surface | 35.024 m² |
| Total heating surface | 35.0 m² |
Power plant
| Property | Ffestiniog Railway No. 5 and 6 “Large England Class”Remove |
|---|---|
| Driver diameter | 610 mm |
| Boiler pressure | 10.3 bar |
| Expansion type | simple expansion |
| Cylinders | two, 206 x 305 mm |
Power
| Property | Ffestiniog Railway No. 5 and 6 “Large England Class”Remove |
|---|---|
| Power source | steam |
| Estimated power | 67 kW (91 PS) |
| Starting effort | 18.7 kN |
Calculated values
| Property | Ffestiniog Railway No. 5 and 6 “Large England Class”Remove |
|---|---|
| Factor of adhesion | 1 : 5.32 |
| Optimal speed | 23 km/h |
| Power-to-weight ratio | 6.6 kW/t |
| Heating Surface Equivalent | 45.2 m² |
| Cylinder volume/HSE | 1 : 450.69 |
| Adhesive weight/Total | 1 : 1.00 |
| Tractive force/Heating surface | 1 : 11.16 |
| Grate area/Heating surface | 1 : 94.15 |
| Firebox/Tube surface | 1 : 16.14 |
