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Victorian Railways class M
The class M was a 4-4-0T tank locomotive for suburban service around Melbourne. The prototype No. 40 was built in 1879 by Beyer Peacock and delivered to Australia. 21 more were built by the Phoenix Foundry in Victoria...
| Victorian Railways class MRemove | |
|---|---|
| Variant | rebuilt M[h]E[/h] |
| Built | 1901-1905 |
| Manufacturers | Newport |
| Wheel arrangement | 2B1 t |
| Gauge | 1600 mm |
| Length | |
| Service mass | 51056 kg |
| Top speed | |
| Power | |
| Engine |
General
| Property | Victorian Railways class Mrebuilt M[h]E[/h] |
|---|---|
| Built | 1901-1905 |
| Manufacturers | Newport |
| Wheel arrangement | 4-4-2T (Atlantic) |
| Gauge | 1,600 mm |
Dimensions and weights
| Property | Victorian Railways class Mrebuilt M[h]E[/h] |
|---|---|
| Wheelbase | 7.70 m |
| Empty mass | 40.1 t |
| Service mass | 51.1 t |
| Adhesion mass | 28.4 t |
| Rigid wheelbase | 2.29 m |
| Axle load | 14.4 t |
| Water capacity | 8,547 l |
| Fuel capacity | 3 t (coal) |
Boiler
| Property | Victorian Railways class Mrebuilt M[h]E[/h] |
|---|---|
| Grate area | 1.347 m² |
| Firebox surface | 9.105 m² |
| Tube heating surface | 86.121 m² |
| Evaporative heating surface | 95.226 m² |
| Total heating surface | 95.2 m² |
Power plant
| Property | Victorian Railways class Mrebuilt M[h]E[/h] |
|---|---|
| Driver diameter | 1,626 mm |
| Boiler pressure | 12.4 bar |
| Expansion type | simple expansion |
| Cylinders | two, 457 x 508 mm |
Power
| Property | Victorian Railways class Mrebuilt M[h]E[/h] |
|---|---|
| Power source | steam |
| Estimated power | 317 kW (431 PS) |
| Starting effort | 68.9 kN |
Calculated values
| Property | Victorian Railways class Mrebuilt M[h]E[/h] |
|---|---|
| Factor of adhesion | 1 : 4.04 |
| Optimal speed | 27 km/h |
| Power-to-weight ratio | 6.2 kW/t |
| Heating Surface Equivalent | 140.8 m² |
| Cylinder volume/HSE | 1 : 1,185.07 |
| Adhesive weight/Total | 1 : 1.80 |
| Tractive force/Heating surface | 1 : 15.11 |
| Grate area/Heating surface | 1 : 70.69 |
| Firebox/Tube surface | 1 : 9.46 |
