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Richmond, Fredericksburg & Potomac Generals, Governors and Statesmen classes
In 1937, the RF&P received its first five 4-8-4 locomotives from Baldwin. They got the numbers 551 to 555 and were named after Civil War generals from Virginia, hence the designation “Generals class”. They were very p...
General
| Property | Richmond, Fredericksburg & Potomac Generals, Governors and Statesmen classes Remove |
|---|---|
| Built | 1937 |
| Manufacturers | Baldwin |
| Wheel arrangement | 4-8-4 (Northern) |
| Gauge | 1,435 mm (Standard gauge) |
Dimensions and weights
| Property | Richmond, Fredericksburg & Potomac Generals, Governors and Statesmen classes Remove |
|---|---|
| Wheelbase | 14.30 m |
| Rigid wheelbase | 6.10 m |
| Total wheelbase | 29.62 m |
| Service weight | 211.4 t |
| Adhesive weight | 125.8 t |
| Axle load | 31.4 t |
| Total weight | 382.4 t |
| Water capacity | 75,708 l |
| Fuel capacity | 20 t (coal) |
Boiler
| Property | Richmond, Fredericksburg & Potomac Generals, Governors and Statesmen classes Remove |
|---|---|
| Grate area | 8.919 m² |
| Firebox surface | 38.741 m² |
| Tube heating surface | 367.432 m² |
| Evaporative heating surface | 406.172 m² |
| Superheater surface | 201.135 m² |
| Total heating surface | 607.3 m² |
Power plant
| Property | Richmond, Fredericksburg & Potomac Generals, Governors and Statesmen classes Remove |
|---|---|
| Driver diameter | 1,956 mm |
| Boiler pressure | 19 bar |
| Expansion type | simple expansion |
| Cylinders | two, 686 x 762 mm |
Power
| Property | Richmond, Fredericksburg & Potomac Generals, Governors and Statesmen classes Remove |
|---|---|
| Power source | steam |
| Estimated power | 3,654 kW (4,968 PS) |
| Starting effort | 295.3 kN |
Calculated values
| Property | Richmond, Fredericksburg & Potomac Generals, Governors and Statesmen classes Remove |
|---|---|
| Factor of adhesion | 1 : 4.18 |
| Optimal speed | 76 km/h |
| Power-to-weight ratio | 17.3 kW/t |
| Heating Surface Equivalent | 1,002.1 m² |
| Cylinder volume/HSE | 1 : 561.74 |
| Adhesive weight/Total | 1 : 1.68 |
| Tractive force/Heating surface | 1 : 10.16 |
| Grate area/Heating surface | 1 : 68.09 |
| Firebox/Tube surface | 1 : 9.48 |
| Total/Superheater | 1 : 2.02 |
