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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 | 1929, 1937-1938 |
| Manufacturers | Beyer, Peacock & Co. |
| Wheel arrangement | (1D1)(1D1) t ga |
| Gauge | 1067 mm |
| Length | |
| Service mass | 153065 kg |
| Top speed | |
| Power | |
| Engine |
General
| Property | Rhodesia Railways classes 16 and 16ARemove |
|---|---|
| Built | 1929, 1937-1938 |
| 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 | 153.1 t |
| Adhesion mass | 107.7 t |
| Rigid wheelbase | 2.67 m |
| Axle load | 13.6 t |
| Water capacity | 20,456 l |
| Fuel capacity | 6.1 t (coal) |
Boiler
| Property | Rhodesia Railways classes 16 and 16ARemove |
|---|---|
| Grate area | 4.599 m² |
| Firebox surface | 19.695 m² |
| Tube heating surface | 197.512 m² |
| Evaporative heating surface | 217.208 m² |
| Superheater surface | 44.594 m² |
| Total heating surface | 261.8 m² |
Power plant
| Property | Rhodesia Railways classes 16 and 16ARemove |
|---|---|
| Driver diameter | 1,219 mm |
| Boiler pressure | 12.4 bar |
| Expansion type | simple expansion |
| Cylinders | four, 470 x 610 mm |
Power
| Property | Rhodesia Railways classes 16 and 16ARemove |
|---|---|
| Power source | steam |
| Estimated power | 1,268 kW (1,724 PS) |
| Starting effort | 232.9 kN |
Calculated values
| Property | Rhodesia Railways classes 16 and 16ARemove |
|---|---|
| Factor of adhesion | 1 : 4.54 |
| Optimal speed | 34 km/h |
| Power-to-weight ratio | 8.3 kW/t |
| Heating Surface Equivalent | 404.9 m² |
| Cylinder volume/HSE | 1 : 1,044.46 |
| Adhesive weight/Total | 1 : 1.42 |
| Tractive force/Heating surface | 1 : 18.58 |
| Grate area/Heating surface | 1 : 56.93 |
| Firebox/Tube surface | 1 : 10.03 |
| Total/Superheater | 1 : 4.87 |
