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Georgia Railroad class F63
All Mikados used by the Georgia Railroad were designated class F63, what stood for their driver diameter of 63 (or 63.5) inches. The first batch was designed in World War I for the 171 miles between Augusta and Atlant...
General
| Property | Georgia Railroad class F63 Remove |
|---|---|
| Built | 1923, 1925 |
| Manufacturers | Lima |
| Wheel arrangement | 2-8-2 (Mikado) |
| Gauge | 1,435 mm (Standard gauge) |
Dimensions and weights
| Property | Georgia Railroad class F63 Remove |
|---|---|
| Wheelbase | 11.00 m |
| Rigid wheelbase | 5.11 m |
| Total wheelbase | 21.76 m |
| Empty weight | 118.4 t |
| Service weight | 132.4 t |
| Adhesive weight | 102.3 t |
| Axle load | 25.6 t |
| Total weight | 214.9 t |
| Water capacity | 37,854 l |
| Fuel capacity | 14.5 t (coal) |
Boiler
| Property | Georgia Railroad class F63 Remove |
|---|---|
| Grate area | 6.197 m² |
| Firebox surface | 26.013 m² |
| Tube heating surface | 324.882 m² |
| Evaporative heating surface | 350.895 m² |
| Superheater surface | 109.626 m² |
| Total heating surface | 460.5 m² |
Power plant
| Property | Georgia Railroad class F63 Remove |
|---|---|
| Driver diameter | 1,613 mm |
| Boiler pressure | 13.8 bar |
| Expansion type | simple expansion |
| Cylinders | two, 660 x 762 mm |
Power
| Property | Georgia Railroad class F63 Remove |
|---|---|
| Power source | steam |
| Estimated power | 2,312 kW (3,143 PS) |
| Starting effort | 241.5 kN |
Calculated values
| Property | Georgia Railroad class F63 Remove |
|---|---|
| Factor of adhesion | 1 : 4.16 |
| Optimal speed | 58 km/h |
| Power-to-weight ratio | 17.5 kW/t |
| Heating Surface Equivalent | 700.2 m² |
| Cylinder volume/HSE | 1 : 745.52 |
| Adhesive weight/Total | 1 : 1.29 |
| Tractive force/Heating surface | 1 : 10.95 |
| Grate area/Heating surface | 1 : 74.31 |
| Firebox/Tube surface | 1 : 12.49 |
| Total/Superheater | 1 : 3.20 |
