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North Wales Narrow Gauge “Gowrie”
In 1906 construction began on the Porthmadog, Beddgelert and South Snowdon Railway, which was to become an extension of the North Wales Narrow Gauge Railways. Although the line was to be electrified, steam locomotives...
| North Wales Narrow Gauge “Gowrie”Remove | |
|---|---|
| Variant | Standard |
| Built | 1908 |
| Manufacturers | Hunslet |
| Wheel arrangement | C2 t sf |
| Gauge | 597 mm |
| Length | |
| Service mass | 18289 kg |
| Top speed | |
| Power | |
| Engine |
General
| Property | North Wales Narrow Gauge “Gowrie” Standard Remove |
|---|---|
| Built | 1908 |
| Manufacturers | Hunslet |
| Wheel arrangement | 0-6-4T (Single Fairlie) |
| Gauge | 597 mm |
Dimensions and weights
| Property | North Wales Narrow Gauge “Gowrie” Standard Remove |
|---|---|
| Wheelbase | 5.18 m |
| Service mass | 18.3 t |
| Adhesion mass | 11.5 t |
| Rigid wheelbase | 1.68 m |
| Axle load | 3.8 t |
| Water capacity | 1,817 l |
| Fuel capacity | 1 t (coal) |
Boiler
| Property | North Wales Narrow Gauge “Gowrie” Standard Remove |
|---|---|
| Grate area | 0.465 m² |
| Firebox surface | 2.787 m² |
| Tube heating surface | 23.412 m² |
| Evaporative heating surface | 26.199 m² |
| Total heating surface | 26.2 m² |
Power plant
| Property | North Wales Narrow Gauge “Gowrie” Standard Remove |
|---|---|
| Driver diameter | 724 mm |
| Boiler pressure | 11 bar |
| Expansion type | simple expansion |
| Cylinders | two, 235 x 356 mm |
Power
| Property | North Wales Narrow Gauge “Gowrie” Standard Remove |
|---|---|
| Power source | steam |
| Estimated power | 67 kW (91 PS) |
| Starting effort | 25.4 kN |
Calculated values
| Property | North Wales Narrow Gauge “Gowrie” Standard Remove |
|---|---|
| Factor of adhesion | 1 : 4.43 |
| Optimal speed | 16 km/h |
| Power-to-weight ratio | 3.7 kW/t |
| Heating Surface Equivalent | 40.1 m² |
| Cylinder volume/HSE | 1 : 768.28 |
| Adhesive weight/Total | 1 : 1.59 |
| Tractive force/Heating surface | 1 : 20.27 |
| Grate area/Heating surface | 1 : 56.34 |
| Firebox/Tube surface | 1 : 8.40 |
