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New South Wales classes C79, C80 and CC79
The class C79 was a 4-4-0 locomotive built for express and mail service. Introduced in 1877, it was the first locomotive of the NSWGR ordered in larger numbers. The first 30 were built by Beyer-Peacock between 1877 an...
| New South Wales classes C79, C80 and CC79Remove | |
|---|---|
| Variant | as built |
| Built | 1877-1882 |
| Manufacturers | Beyer, Peacock & Co.;Dübs & Co.;Atlas Engineering Works |
| Wheel arrangement | 2B |
| Gauge | 1435 mm |
| Length | |
| Service mass | 39678 kg |
| Top speed | |
| Power | |
| Engine |
General
| Property | New South Wales classes C79, C80 and CC79as built |
|---|---|
| Built | 1877-1882 |
| Manufacturers | Beyer, Peacock & Co., Dübs & Co., Atlas Engineering Works |
| Wheel arrangement | 4-4-0 (American) |
| Gauge | 1,435 mm |
Dimensions and weights
| Property | New South Wales classes C79, C80 and CC79as built |
|---|---|
| Wheelbase | 5.94 m |
| Total wheelbase | 11.18 m |
| Service mass | 39.7 t |
| Adhesion mass | 25.8 t |
| Total mass | 62 t |
| Rigid wheelbase | 2.45 m |
| Axle load | 12.9 t |
| Water capacity | 9,093 l |
| Fuel capacity | 5.1 t (coal) |
Boiler
| Property | New South Wales classes C79, C80 and CC79as built |
|---|---|
| Grate area | 1.37 m² |
| Firebox surface | 8.083 m² |
| Tube heating surface | 91.695 m² |
| Evaporative heating surface | 99.778 m² |
| Total heating surface | 99.8 m² |
Power plant
| Property | New South Wales classes C79, C80 and CC79as built |
|---|---|
| Driver diameter | 1,676 mm |
| Boiler pressure | 9 bar |
| Expansion type | simple expansion |
| Cylinders | two, 457 x 610 mm |
Power
| Property | New South Wales classes C79, C80 and CC79as built |
|---|---|
| Power source | steam |
| Estimated power | 261 kW (355 PS) |
| Starting effort | 57.9 kN |
Calculated values
| Property | New South Wales classes C79, C80 and CC79as built |
|---|---|
| Factor of adhesion | 1 : 4.36 |
| Optimal speed | 27 km/h |
| Power-to-weight ratio | 6.6 kW/t |
| Heating Surface Equivalent | 140.2 m² |
| Cylinder volume/HSE | 1 : 1,427.75 |
| Adhesive weight/Total | 1 : 1.54 |
| Tractive force/Heating surface | 1 : 12.12 |
| Grate area/Heating surface | 1 : 72.83 |
| Firebox/Tube surface | 1 : 11.34 |
