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Texas & Pacific class I-1
The first locomotives that were built from the start with the 2-10-4 wheel arrangement were the ten members of the class I-1 of the Texas and Pacific from 1925. The goal in the development was to create a ten-coupled ...
| Texas & Pacific class I-1Remove | |
|---|---|
| Variant | |
| Built | 1925 |
| Manufacturers | Lima |
| Wheel arrangement | 1E2 |
| Gauge | 1435 mm |
| Length | |
| Service mass | 203210 kg |
| Top speed | |
| Power | |
| Engine |
General
| Property | Texas & Pacific class I-1Remove |
|---|---|
| Built | 1925 |
| Manufacturers | Lima |
| Wheel arrangement | 2-10-4 (Texas) |
| Gauge | 1,435 mm |
Dimensions and weights
| Property | Texas & Pacific class I-1Remove |
|---|---|
| Wheelbase | 14.24 m |
| Total wheelbase | 26.44 m |
| Service mass | 203.2 t |
| Adhesion mass | 136.1 t |
| Total mass | 328.9 t |
| Rigid wheelbase | 6.71 m |
| Axle load | 27.2 t |
| Water capacity | 52,996 l |
| Fuel capacity | 18,927 l (oil) |
Boiler
| Property | Texas & Pacific class I-1Remove |
|---|---|
| Grate area | 9.29 m² |
| Firebox surface | 43.943 m² |
| Tube heating surface | 431.071 m² |
| Evaporative heating surface | 475.014 m² |
| Superheater surface | 195.097 m² |
| Total heating surface | 670.1 m² |
Power plant
| Property | Texas & Pacific class I-1Remove |
|---|---|
| Driver diameter | 1,613 mm |
| Boiler pressure | 17.2 bar |
| Expansion type | simple expansion |
| Cylinders | two, 737 x 813 mm |
Power
| Property | Texas & Pacific class I-1Remove |
|---|---|
| Power source | steam |
| Estimated power | 3,318 kW (4,511 PS) |
| Starting effort | 400.6 kN |
| Starting effort booster | 59.161 kN |
Calculated values
| Property | Texas & Pacific class I-1Remove |
|---|---|
| Factor of adhesion | 1 : 3.33 |
| Optimal speed | 50 km/h |
| Power-to-weight ratio | 16.3 kW/t |
| Heating Surface Equivalent | 1,084.9 m² |
| Cylinder volume/HSE | 1 : 638.51 |
| Adhesive weight/Total | 1 : 1.49 |
| Tractive force/Heating surface | 1 : 12.49 |
| Grate area/Heating surface | 1 : 72.13 |
| Firebox/Tube surface | 1 : 9.81 |
| Total/Superheater | 1 : 2.43 |
