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New South Wales classes C30 and C30T and originally class S636
Due to increasing traffic in Sydney's suburban network at the beginning of the century, the NSWGR introduced the C30 as a class of 4-6-4T tank locomotives with a high adhesive weight and relatively small drivers for r...
General
| Property | New South Wales classes C30 and C30T and originally class S636 rebuilt C30T |
|---|---|
| Built | 1928-1933 |
| Manufacturers | Clyde Engineering, Eveleigh |
| Wheel arrangement | 4-6-0 (Ten-wheeler) |
| Gauge | 1,435 mm (Standard gauge) |
Dimensions and weights
| Property | New South Wales classes C30 and C30T and originally class S636 rebuilt C30T |
|---|---|
| Rigid wheelbase | 3.28 m |
| Service weight | 54.9 t |
| Adhesive weight | 39.9 t |
Boiler
| Property | New South Wales classes C30 and C30T and originally class S636 rebuilt C30T |
|---|---|
| Grate area | 2.23 m² |
| Firebox surface | 11.018 m² |
| Tube heating surface | 92.104 m² |
| Evaporative heating surface | 103.122 m² |
| Superheater surface | 26.013 m² |
| Total heating surface | 129.1 m² |
Power plant
| Property | New South Wales classes C30 and C30T and originally class S636 rebuilt C30T |
|---|---|
| Driver diameter | 1,397 mm |
| Boiler pressure | 11 bar |
| Expansion type | simple expansion |
| Cylinders | two, 483 x 610 mm |
Power
| Property | New South Wales classes C30 and C30T and originally class S636 rebuilt C30T |
|---|---|
| Power source | steam |
| Estimated power | 671 kW (912 PS) |
| Starting effort | 95.3 kN |
Calculated values
| Property | New South Wales classes C30 and C30T and originally class S636 rebuilt C30T |
|---|---|
| Factor of adhesion | 1 : 4.11 |
| Optimal speed | 43 km/h |
| Power-to-weight ratio | 12.2 kW/t |
| Heating Surface Equivalent | 210.2 m² |
| Cylinder volume/HSE | 1 : 1,060.79 |
| Adhesive weight/Total | 1 : 1.38 |
| Tractive force/Heating surface | 1 : 15.41 |
| Grate area/Heating surface | 1 : 57.91 |
| Firebox/Tube surface | 1 : 8.36 |
| Total/Superheater | 1 : 3.96 |
