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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...
General
| Property | New South Wales classes C79, C80 and CC79 rebuilt Z13 |
|---|---|
| Built | 1896-1902 |
| Manufacturers | Eveleigh Railway Workshops |
| Wheel arrangement | 4-4-2T (Atlantic) |
| Gauge | 1,435 mm (Standard gauge) |
Dimensions and weights
| Property | New South Wales classes C79, C80 and CC79 rebuilt Z13 |
|---|---|
| Wheelbase | 8.08 m |
| Rigid wheelbase | 2.45 m |
| Service weight | 49.9 t |
| Adhesive weight | 29.9 t |
| Axle load | 15 t |
| Water capacity | 5,001 l |
| Fuel capacity | 2.3 t (coal) |
Boiler
| Property | New South Wales classes C79, C80 and CC79 rebuilt Z13 |
|---|---|
| Grate area | 1.37 m² |
| Firebox surface | 8.733 m² |
| Tube heating surface | 95.412 m² |
| Evaporative heating surface | 104.144 m² |
| Total heating surface | 104.1 m² |
Power plant
| Property | New South Wales classes C79, C80 and CC79 rebuilt Z13 |
|---|---|
| Driver diameter | 1,676 mm |
| Boiler pressure | 9.7 bar |
| Expansion type | simple expansion |
| Cylinders | two, 457 x 610 mm |
Power
| Property | New South Wales classes C79, C80 and CC79 rebuilt Z13 |
|---|---|
| Power source | steam |
| Estimated power | 298 kW (405 PS) |
| Starting effort | 62.4 kN |
Calculated values
| Property | New South Wales classes C79, C80 and CC79 rebuilt Z13 |
|---|---|
| Factor of adhesion | 1 : 4.71 |
| Optimal speed | 29 km/h |
| Power-to-weight ratio | 6.0 kW/t |
| Heating Surface Equivalent | 147.8 m² |
| Cylinder volume/HSE | 1 : 1,354.17 |
| Adhesive weight/Total | 1 : 1.67 |
| Tractive force/Heating surface | 1 : 12.51 |
| Grate area/Heating surface | 1 : 76.02 |
| Firebox/Tube surface | 1 : 10.93 |
