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Moel Tryfan Quarry “Tryfan” and “Cadfan”
While there were many small standard locomotives for the narrow gauge lines in quarries, some customers had special requirements. One of these was the Moel Tryfan quarry in North Wales that had an access tunnel that r...
| Moel Tryfan Quarry “Tryfan” and “Cadfan”Remove | |
|---|---|
| Variant | Standard |
| Built | 1902, 1904 |
| Manufacturers | Hunslet |
| Wheel arrangement | B st |
| Gauge | 584 mm |
| Length | |
| Service mass | 7000 kg |
| Top speed | |
| Power | |
| Engine |
General
| Property | Moel Tryfan Quarry “Tryfan” and “Cadfan” Standard Remove |
|---|---|
| Built | 1902, 1904 |
| Manufacturers | Hunslet |
| Wheel arrangement | 0-4-0ST (Four-coupled) |
| Gauge | 584 mm |
Dimensions and weights
| Property | Moel Tryfan Quarry “Tryfan” and “Cadfan” Standard Remove |
|---|---|
| Wheelbase | 0.99 m |
| Service mass | 7 t |
| Adhesion mass | 7 t |
| Rigid wheelbase | 0.99 m |
| Axle load | 3.5 t |
| Water capacity | 500 l |
| Fuel capacity | 0.5 t (coal) |
Boiler
| Property | Moel Tryfan Quarry “Tryfan” and “Cadfan” Standard Remove |
|---|---|
| Grate area | 0.232 m² |
| Firebox surface | 1.301 m² |
| Tube heating surface | 7.99 m² |
| Evaporative heating surface | 9.29 m² |
| Total heating surface | 9.3 m² |
Power plant
| Property | Moel Tryfan Quarry “Tryfan” and “Cadfan” Standard Remove |
|---|---|
| Driver diameter | 508 mm |
| Boiler pressure | 9.7 bar |
| Expansion type | simple expansion |
| Cylinders | two, 178 x 254 mm |
Power
| Property | Moel Tryfan Quarry “Tryfan” and “Cadfan” Standard Remove |
|---|---|
| Power source | steam |
| Estimated power | 22 kW (30 PS) |
| Starting effort | 13.0 kN |
Calculated values
| Property | Moel Tryfan Quarry “Tryfan” and “Cadfan” Standard Remove |
|---|---|
| Factor of adhesion | 1 : 5.29 |
| Optimal speed | 11 km/h |
| Power-to-weight ratio | 3.1 kW/t |
| Heating Surface Equivalent | 15.8 m² |
| Cylinder volume/HSE | 1 : 798.49 |
| Adhesive weight/Total | 1 : 1.00 |
| Tractive force/Heating surface | 1 : 29.16 |
| Grate area/Heating surface | 1 : 40.04 |
| Firebox/Tube surface | 1 : 6.14 |
