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Rhodesia Railways classes 16 and 16A
The 16[h]th[/h] class was a “Double Mikado” Garratt procured by the Rhodesia Railways from 1929 as a more powerful addition to the 13[h]th[/h] and 14[h]th[/h] class “Double Prairie” Garratts. It had many features in c...
| Rhodesia Railways classes 16 and 16ARemove | |
|---|---|
| Variant | |
| Built | 1953 |
| Manufacturers | Beyer, Peacock & Co. |
| Wheel arrangement | (1D1)(1D1) t ga |
| Gauge | 1067 mm |
| Length | |
| Service mass | 171895 kg |
| Top speed | |
| Power | |
| Engine |
General
| Property | Rhodesia Railways classes 16 and 16ARemove |
|---|---|
| Built | 1953 |
| Manufacturers | Beyer, Peacock & Co. |
| Wheel arrangement | 2-8-2+2-8-2T (Double Mikado (Garratt)) |
| Gauge | 1,067 mm |
Dimensions and weights
| Property | Rhodesia Railways classes 16 and 16ARemove |
|---|---|
| Wheelbase | 7.54 m |
| Total wheelbase | 22.43 m |
| Service mass | 171.9 t |
| Adhesion mass | 119 t |
| Rigid wheelbase | 2.67 m |
| Axle load | 14.9 t |
| Water capacity | 22,731 l |
| Fuel capacity | 8.6 t (coal) |
Boiler
| Property | Rhodesia Railways classes 16 and 16ARemove |
|---|---|
| Grate area | 4.608 m² |
| Firebox surface | 19.695 m² |
| Tube heating surface | 197.977 m² |
| Evaporative heating surface | 217.672 m² |
| Superheater surface | 45.894 m² |
| Total heating surface | 263.6 m² |
Power plant
| Property | Rhodesia Railways classes 16 and 16ARemove |
|---|---|
| Driver diameter | 1,219 mm |
| Boiler pressure | 13.8 bar |
| Expansion type | simple expansion |
| Cylinders | four, 470 x 610 mm |
Power
| Property | Rhodesia Railways classes 16 and 16ARemove |
|---|---|
| Power source | steam |
| Estimated power | 1,342 kW (1,825 PS) |
| Starting effort | 258.8 kN |
Calculated values
| Property | Rhodesia Railways classes 16 and 16ARemove |
|---|---|
| Factor of adhesion | 1 : 4.51 |
| Optimal speed | 32 km/h |
| Power-to-weight ratio | 7.8 kW/t |
| Heating Surface Equivalent | 407.9 m² |
| Cylinder volume/HSE | 1 : 1,036.61 |
| Adhesive weight/Total | 1 : 1.44 |
| Tractive force/Heating surface | 1 : 20.51 |
| Grate area/Heating surface | 1 : 57.20 |
| Firebox/Tube surface | 1 : 10.05 |
| Total/Superheater | 1 : 4.74 |
