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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...
| Georgia Railroad class F63Remove | |
|---|---|
| Variant | |
| Built | 1915, 1918 |
| Manufacturers | Lima |
| Wheel arrangement | 1D1 |
| Gauge | 1435 mm |
| Length | |
| Service mass | 128820 kg |
| Top speed | |
| Power | |
| Engine |
General
| Property | Georgia Railroad class F63Remove |
|---|---|
| Built | 1915, 1918 |
| Manufacturers | Lima |
| Wheel arrangement | 2-8-2 (Mikado) |
| Gauge | 1,435 mm |
Dimensions and weights
| Property | Georgia Railroad class F63Remove |
|---|---|
| Wheelbase | 10.72 m |
| Total wheelbase | 20.54 m |
| Empty mass | 118.4 t |
| Service mass | 128.8 t |
| Adhesion mass | 97.1 t |
| Total mass | 207.7 t |
| Rigid wheelbase | 5.03 m |
| Axle load | 24.9 t |
| Water capacity | 34,069 l |
| Fuel capacity | 13.6 t (coal) |
Boiler
| Property | Georgia Railroad class F63Remove |
|---|---|
| Grate area | 6.54 m² |
| Firebox surface | 21.832 m² |
| Tube heating surface | 372.913 m² |
| Evaporative heating surface | 402.828 m² |
| Superheater surface | 107.675 m² |
| Total heating surface | 510.5 m² |
Power plant
| Property | Georgia Railroad class F63Remove |
|---|---|
| Driver diameter | 1,613 mm |
| Boiler pressure | 12.4 bar |
| Expansion type | simple expansion |
| Cylinders | two, 686 x 762 mm |
Power
| Property | Georgia Railroad class F63Remove |
|---|---|
| Power source | steam |
| Estimated power | 2,237 kW (3,041 PS) |
| Starting effort | 234.4 kN |
Calculated values
| Property | Georgia Railroad class F63Remove |
|---|---|
| Factor of adhesion | 1 : 4.06 |
| Optimal speed | 58 km/h |
| Power-to-weight ratio | 17.4 kW/t |
| Heating Surface Equivalent | 719.3 m² |
| Cylinder volume/HSE | 1 : 782.68 |
| Adhesive weight/Total | 1 : 1.33 |
| Tractive force/Heating surface | 1 : 9.59 |
| Grate area/Heating surface | 1 : 78.06 |
| Firebox/Tube surface | 1 : 17.08 |
| Total/Superheater | 1 : 3.74 |
