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Mexican State Railway classes G-030 and G-033
The Nacionales de México class G-030 consisted of 20 three-foot gauge Consolidations delivered by Baldwin in 1921. The outside frames were designed in such a way that a later conversion to standard gauge would have be...
General
| Property | Mexican State Railway classes G-030 and G-033 Remove |
|---|---|
| Built | 1921 |
| Manufacturers | Baldwin |
| Wheel arrangement | 2-8-0 (Consolidation) |
| Gauge | 914 mm (Three feet) |
Dimensions and weights
| Property | Mexican State Railway classes G-030 and G-033 Remove |
|---|---|
| Wheelbase | 5.77 m |
| Rigid wheelbase | 3.51 m |
| Total wheelbase | 14.34 m |
| Service weight | 51.3 t |
| Adhesive weight | 46.7 t |
| Axle load | 11.7 t |
| Total weight | 87.3 t |
| Water capacity | 13,627 l |
| Fuel capacity | 5,716 l (oil) |
Boiler
| Property | Mexican State Railway classes G-030 and G-033 Remove |
|---|---|
| Grate area | 1.737 m² |
| Firebox surface | 7.339 m² |
| Tube heating surface | 146.973 m² |
| Evaporative heating surface | 154.312 m² |
| Total heating surface | 154.3 m² |
Power plant
| Property | Mexican State Railway classes G-030 and G-033 Remove |
|---|---|
| Driver diameter | 1,041 mm |
| Boiler pressure | 12.4 bar |
| Expansion type | simple expansion |
| Cylinders | two, 457 x 559 mm |
Power
| Property | Mexican State Railway classes G-030 and G-033 Remove |
|---|---|
| Power source | steam |
| Estimated power | 522 kW (710 PS) |
| Starting effort | 118.3 kN |
Calculated values
| Property | Mexican State Railway classes G-030 and G-033 Remove |
|---|---|
| Factor of adhesion | 1 : 3.87 |
| Optimal speed | 27 km/h |
| Power-to-weight ratio | 10.2 kW/t |
| Heating Surface Equivalent | 191.0 m² |
| Cylinder volume/HSE | 1 : 960.59 |
| Adhesive weight/Total | 1 : 1.10 |
| Tractive force/Heating surface | 1 : 16.01 |
| Grate area/Heating surface | 1 : 88.84 |
| Firebox/Tube surface | 1 : 20.03 |
