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Caledonian class 417
One of the Caledonian Railway classes of 2-4-0 goods locomotives with large driving wheels of 6 ft 2 in or 1.880 mm was the class 417. Designed by Benjamin Conner and introduced in 1866, it was a development of the cl...
General
| Property | Caledonian class 417 as built |
|---|---|
| Built | 1866-1870 |
| Manufacturers | Neilson & Co. |
| Wheel arrangement | 2-4-0 (Porter) |
| Gauge | 1,435 mm (Standard gauge) |
Dimensions and weights
| Property | Caledonian class 417 as built |
|---|---|
| Wheelbase | 4.72 m |
| Rigid wheelbase | 4.72 m |
| Service weight | 36.4 t |
| Adhesive weight | 25.2 t |
| Axle load | 13 t |
| Total weight | 65.1 t |
| Water capacity | 8,184 l |
| Fuel capacity | 4.1 t (coal) |
Boiler
| Property | Caledonian class 417 as built |
|---|---|
| Grate area | 1.417 m² |
| Firebox surface | 7.943 m² |
| Tube heating surface | 86.864 m² |
| Evaporative heating surface | 94.808 m² |
| Total heating surface | 94.8 m² |
Power plant
| Property | Caledonian class 417 as built |
|---|---|
| Driver diameter | 1,880 mm |
| Boiler pressure | 8.3 bar |
| Expansion type | simple expansion |
| Cylinders | two, 457 x 610 mm |
Power
| Property | Caledonian class 417 as built |
|---|---|
| Power source | steam |
| Estimated power | 242 kW (329 PS) |
| Starting effort | 47.7 kN |
Calculated values
| Property | Caledonian class 417 as built |
|---|---|
| Factor of adhesion | 1 : 5.18 |
| Optimal speed | 31 km/h |
| Power-to-weight ratio | 6.6 kW/t |
| Heating Surface Equivalent | 134.5 m² |
| Cylinder volume/HSE | 1 : 1,487.94 |
| Adhesive weight/Total | 1 : 1.45 |
| Tractive force/Heating surface | 1 : 10.50 |
| Grate area/Heating surface | 1 : 66.91 |
| Firebox/Tube surface | 1 : 10.94 |
