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Unidos de Yucatan No. 62 and 75 to 79
In 1903, Baldwin built a light three-foot gauge 2-6-0 for the Merida a Peto in Mexico that was numbered 12 and named “Catalina A de Casasus”. It carried the works number 21935 and belonged to the Baldwin type 8-20 D 1...
| Unidos de Yucatan No. 62 and 75 to 79Remove | |
|---|---|
| Variant | |
| Built | 1903 |
| Manufacturers | Baldwin |
| Wheel arrangement | 1C |
| Gauge | 914 mm |
| Length | |
| Service mass | 23587 kg |
| Top speed | |
| Power | |
| Engine |
General
| Property | Unidos de Yucatan No. 62 and 75 to 79Remove |
|---|---|
| Built | 1903 |
| Manufacturers | Baldwin |
| Wheel arrangement | 2-6-0 (Mogul) |
| Gauge | 914 mm |
Dimensions and weights
| Property | Unidos de Yucatan No. 62 and 75 to 79Remove |
|---|---|
| Wheelbase | 5.46 m |
| Service mass | 23.6 t |
| Adhesion mass | 19.5 t |
| Total mass | 44 t |
| Rigid wheelbase | 3.66 m |
| Water capacity | 8,328 l |
Boiler
| Property | Unidos de Yucatan No. 62 and 75 to 79Remove |
|---|---|
| Grate area | 0.827 m² |
| Firebox surface | 5.574 m² |
| Tube heating surface | 45.058 m² |
| Evaporative heating surface | 50.632 m² |
| Total heating surface | 50.6 m² |
Power plant
| Property | Unidos de Yucatan No. 62 and 75 to 79Remove |
|---|---|
| Driver diameter | 1,016 mm |
| Boiler pressure | 11 bar |
| Expansion type | simple expansion |
| Cylinders | two, 330 x 457 mm |
Power
| Property | Unidos de Yucatan No. 62 and 75 to 79Remove |
|---|---|
| Power source | steam |
| Estimated power | 164 kW (223 PS) |
| Starting effort | 46.0 kN |
Calculated values
| Property | Unidos de Yucatan No. 62 and 75 to 79Remove |
|---|---|
| Factor of adhesion | 1 : 4.16 |
| Optimal speed | 23 km/h |
| Power-to-weight ratio | 7.0 kW/t |
| Heating Surface Equivalent | 78.5 m² |
| Cylinder volume/HSE | 1 : 997.47 |
| Adhesive weight/Total | 1 : 1.21 |
| Tractive force/Heating surface | 1 : 18.98 |
| Grate area/Heating surface | 1 : 61.22 |
| Firebox/Tube surface | 1 : 8.08 |
