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Federated Malay States class H
![H[h]2[/h] No. 118](/data/photos/FMSR_H.jpg)
The class H of the Federated Malay States Railway refers to a total of 60 light, meter-gauge Pacifics. The first seven were built by Kitson from November 1906. Others followed from Nasmyth, Wilson & Co., six of which ...
General
| Property | Federated Malay States class H H[h]1[/h] Remove |
|---|---|
| Built | 1906-1913 |
| Manufacturers | Kitson & Co., Nasmyth, Wilson & Co., Robert Stephenson & Co. |
| Wheel arrangement | 4-6-2 (Pacific) |
| Gauge | 1,000 mm (Meter gauge) |
Dimensions and weights
| Property | Federated Malay States class H H[h]1[/h] Remove |
|---|---|
| Wheelbase | 7.65 m |
| Rigid wheelbase | 2.87 m |
| Total wheelbase | 14.64 m |
| Service weight | 48.3 t |
| Adhesive weight | 30.5 t |
| Axle load | 10.2 t |
| Total weight | 78.1 t |
| Water capacity | 9,093 l |
Boiler
| Property | Federated Malay States class H H[h]1[/h] Remove |
|---|---|
| Grate area | 1.719 m² |
| Firebox surface | 7.665 m² |
| Tube heating surface | 107.071 m² |
| Evaporative heating surface | 114.735 m² |
| Total heating surface | 114.7 m² |
Power plant
| Property | Federated Malay States class H H[h]1[/h] Remove |
|---|---|
| Driver diameter | 1,372 mm |
| Boiler pressure | 12.4 bar |
| Expansion type | simple expansion |
| Cylinders | two, 394 x 533 mm |
Power
| Property | Federated Malay States class H H[h]1[/h] Remove |
|---|---|
| Power source | steam |
| Estimated power | 410 kW (557 PS) |
| Starting effort | 63.6 kN |
Calculated values
| Property | Federated Malay States class H H[h]1[/h] Remove |
|---|---|
| Factor of adhesion | 1 : 4.70 |
| Optimal speed | 40 km/h |
| Power-to-weight ratio | 8.5 kW/t |
| Heating Surface Equivalent | 153.1 m² |
| Cylinder volume/HSE | 1 : 848.48 |
| Adhesive weight/Total | 1 : 1.58 |
| Tractive force/Heating surface | 1 : 11.57 |
| Grate area/Heating surface | 1 : 66.75 |
| Firebox/Tube surface | 1 : 13.97 |
