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Texas & Pacific class E-1
In 1906, the Texas & Pacific manufactured two examples of the Class E-1 in their own works in Marshall, Texas , which would remain their only Atlantic locomotives. The boiler was relatively small compared to the cylin...
General
| Property | Texas & Pacific class E-1 as built |
|---|---|
| Built | 1906 |
| Manufacturers | Texas & Pacific |
| Wheel arrangement | 4-4-2 (Atlantic) |
| Gauge | 1,435 mm (Standard gauge) |
Dimensions and weights
| Property | Texas & Pacific class E-1 as built |
|---|---|
| Wheelbase | 8.41 m |
| Rigid wheelbase | 2.13 m |
| Total wheelbase | 17.34 m |
| Service weight | 92.5 t |
| Adhesive weight | 52.6 t |
| Axle load | 26.3 t |
| Total weight | 152.4 t |
| Water capacity | 24,605 l |
| Fuel capacity | 9.1 t (coal) |
Boiler
| Property | Texas & Pacific class E-1 as built |
|---|---|
| Grate area | 4.209 m² |
| Firebox surface | 14.865 m² |
| Tube heating surface | 253.718 m² |
| Evaporative heating surface | 268.583 m² |
| Total heating surface | 268.6 m² |
Power plant
| Property | Texas & Pacific class E-1 as built |
|---|---|
| Driver diameter | 2,007 mm |
| Boiler pressure | 15.2 bar |
| Expansion type | simple expansion |
| Cylinders | two, 508 x 711 mm |
Power
| Property | Texas & Pacific class E-1 as built |
|---|---|
| Power source | steam |
| Estimated power | 1,193 kW (1,622 PS) |
| Starting effort | 117.9 kN |
Calculated values
| Property | Texas & Pacific class E-1 as built |
|---|---|
| Factor of adhesion | 1 : 4.38 |
| Optimal speed | 61 km/h |
| Power-to-weight ratio | 12.9 kW/t |
| Heating Surface Equivalent | 342.9 m² |
| Cylinder volume/HSE | 1 : 840.74 |
| Adhesive weight/Total | 1 : 1.76 |
| Tractive force/Heating surface | 1 : 9.17 |
| Grate area/Heating surface | 1 : 63.81 |
| Firebox/Tube surface | 1 : 17.07 |
