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Western Pacific class TP-29
The first 16 of these oil-fired ten-wheelers were delivered to the Western Pacific in 1908, followed by 20 more the following year. ALCO-Brooks asked for a price of between 13,247 and 14,585 dollars per locomotive. Th...
| Western Pacific class TP-29Remove | |
|---|---|
| Variant | superheated |
| Built | 1909 |
| Manufacturers | ALCO |
| Wheel arrangement | 2C |
| Gauge | 1435 mm |
| Length | |
| Service mass | 82100 kg |
| Top speed | |
| Power | |
| Engine |
General
| Property | Western Pacific class TP-29superheated |
|---|---|
| Built | 1909 |
| Manufacturers | ALCO |
| Wheel arrangement | 4-6-0 (Ten-wheeler) |
| Gauge | 1,435 mm |
Dimensions and weights
| Property | Western Pacific class TP-29superheated |
|---|---|
| Wheelbase | 7.42 m |
| Total wheelbase | 17.65 m |
| Service mass | 82.1 t |
| Adhesion mass | 61.2 t |
| Total mass | 142 t |
| Rigid wheelbase | 4.12 m |
| Axle load | 20.4 t |
| Water capacity | 26,498 l |
| Fuel capacity | 11,428 l (oil) |
Boiler
| Property | Western Pacific class TP-29superheated |
|---|---|
| Grate area | 3.122 m² |
| Firebox surface | 21.182 m² |
| Tube heating surface | 187.386 m² |
| Evaporative heating surface | 208.568 m² |
| Superheater surface | 52.769 m² |
| Total heating surface | 261.3 m² |
Power plant
| Property | Western Pacific class TP-29superheated |
|---|---|
| Driver diameter | 1,702 mm |
| Boiler pressure | 13.8 bar |
| Expansion type | simple expansion |
| Cylinders | two, 533 x 660 mm |
Power
| Property | Western Pacific class TP-29superheated |
|---|---|
| Power source | steam |
| Estimated power | 1,044 kW (1,419 PS) |
| Starting effort | 129.4 kN |
Calculated values
| Property | Western Pacific class TP-29superheated |
|---|---|
| Factor of adhesion | 1 : 4.64 |
| Optimal speed | 50 km/h |
| Power-to-weight ratio | 12.7 kW/t |
| Heating Surface Equivalent | 420.0 m² |
| Cylinder volume/HSE | 1 : 702.70 |
| Adhesive weight/Total | 1 : 1.34 |
| Tractive force/Heating surface | 1 : 10.34 |
| Grate area/Heating surface | 1 : 83.71 |
| Firebox/Tube surface | 1 : 8.85 |
| Total/Superheater | 1 : 3.95 |
