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Madagascar Railway No. 35 to 40 and 61 to 68
The first five Mallets for the Madagascar Railway were built in 1916 by Baldwin and carried the works numbers 44331 to 44334, 44609 and 44610. They had to be suitable for the winding lines between the east coast and t...
General
| Property | Madagascar Railway No. 35 to 40 and 61 to 68 Remove |
|---|---|
| Built | 1916 |
| Manufacturers | Baldwin |
| Wheel arrangement | 0-4-4-0T (Four Coupled Mallet) |
| Gauge | 1,000 mm (Meter gauge) |
Dimensions and weights
| Property | Madagascar Railway No. 35 to 40 and 61 to 68 Remove |
|---|---|
| Wheelbase | 4.67 m |
| Rigid wheelbase | 1.40 m |
| Total wheelbase | 9.12 m |
| Service weight | 32 t |
| Adhesive weight | 32 t |
| Axle load | 8 t |
| Total weight | 42.5 t |
| Water capacity | 1,900 l |
| Fuel capacity | 3 t (wood) |
Boiler
| Property | Madagascar Railway No. 35 to 40 and 61 to 68 Remove |
|---|---|
| Grate area | 1.19 m² |
| Firebox surface | 6.44 m² |
| Tube heating surface | 64.82 m² |
| Evaporative heating surface | 71.26 m² |
| Total heating surface | 71.3 m² |
Power plant
| Property | Madagascar Railway No. 35 to 40 and 61 to 68 Remove |
|---|---|
| Driver diameter | 1,010 mm |
| Boiler pressure | 12 bar |
| Expansion type | simple expansion |
| Cylinders | four, 280 x 500 mm |
Power
| Property | Madagascar Railway No. 35 to 40 and 61 to 68 Remove |
|---|---|
| Power source | steam |
| Estimated power | 250 kW (340 PS) |
| Starting effort | 79.2 kN |
Calculated values
| Property | Madagascar Railway No. 35 to 40 and 61 to 68 Remove |
|---|---|
| Factor of adhesion | 1 : 3.96 |
| Optimal speed | 19 km/h |
| Power-to-weight ratio | 7.8 kW/t |
| Heating Surface Equivalent | 103.5 m² |
| Cylinder volume/HSE | 1 : 1,190.32 |
| Adhesive weight/Total | 1 : 1.00 |
| Tractive force/Heating surface | 1 : 23.21 |
| Grate area/Heating surface | 1 : 59.88 |
| Firebox/Tube surface | 1 : 10.07 |
