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Highland Railway River class
The River class was Smith's only design for the Highland Railway. They were the most powerful locomotives of this company, but exceeded the axle loads permitted there. Although Smith had designed the locomotives to in...
General
| Property | Highland Railway River classRemove |
|---|---|
| Built | 1915 |
| Manufacturers | Hawthorn, Leslie & Co. |
| Wheel arrangement | 4-6-0 (Ten-wheeler) |
| Gauge | 1,435 mm (Standard gauge) |
Dimensions and weights
| Property | Highland Railway River classRemove |
|---|---|
| Length | 16.89 m |
| Service weight | 73.5 t |
| Adhesive weight | 53 t |
| Axle load | 18 t |
| Water capacity | 18,185 l |
| Fuel capacity | 7.1 t (coal) |
Boiler
| Property | Highland Railway River classRemove |
|---|---|
| Grate area | 2.35 m² |
| Firebox surface | 12.969 m² |
| Tube heating surface | 135.639 m² |
| Evaporative heating surface | 148.608 m² |
| Superheater surface | 41.621 m² |
| Total heating surface | 190.2 m² |
Power plant
| Property | Highland Railway River classRemove |
|---|---|
| Driver diameter | 1,829 mm |
| Boiler pressure | 11 bar |
| Expansion type | simple expansion |
| Cylinders | two, 533 x 711 mm |
Power
| Property | Highland Railway River classRemove |
|---|---|
| Power source | steam |
| Estimated power | 820 kW (1,115 PS) |
| Starting effort | 103.8 kN |
Calculated values
| Property | Highland Railway River classRemove |
|---|---|
| Factor of adhesion | 1 : 5.01 |
| Optimal speed | 48 km/h |
| Power-to-weight ratio | 11.2 kW/t |
| Heating Surface Equivalent | 296.7 m² |
| Cylinder volume/HSE | 1 : 1,071.29 |
| Adhesive weight/Total | 1 : 1.39 |
| Tractive force/Heating surface | 1 : 11.39 |
| Grate area/Heating surface | 1 : 80.95 |
| Firebox/Tube surface | 1 : 10.46 |
| Total/Superheater | 1 : 3.57 |
