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Burma Railways Fairlie No. 209 to 213

Burma 1900 5 produced
flickr/Historical Railway Images PD

In 1900, Burma Railways received five meter-gauge Fairlie locomotives from Vulcan Foundry. They had two bogies, each consisting of three coupled axles with same-size cylinders. Their difference compared to earlier Double Fairlies was that they had two separate boilers which were not joined by a common firebox. This layout was sometimes called “modified Fairlie” in this time, but had nothing in common with the Modified Fairlies built for the South African Railways more than 20 years later.

Their fireboxes were of the Belpaire type and had Drummond cross water tubes which further increased their heating surface. Each firebox was fed by one fireman, so that three people worked in the cab. Most of the time, the locomotives took a separate water tender with them.

Technical data

General

Built
1900
Manufacturers
Vulcan Foundry
Wheel arrangement
0-6-6-0T (Double Fairlie)
Gauge
1,000 mm (Meter gauge)

Dimensions and weights

Wheelbase
10.86 m
Service mass
61.5 t
Adhesion mass
61.5 t
Rigid wheelbase
2.31 m
Water capacity
2,271 l
Fuel capacity
2.5 t (coal)

Boiler

Grate area
2.415 m²
Firebox surface
24.712 m²
Tube heating surface
105.166 m²
Evaporative heating surface
129.879 m²
Total heating surface
129.9 m²

Power plant

Driver diameter
991 mm
Boiler pressure
12.4 bar
Expansion type
simple expansion
Cylinders
four, 356 x 508 mm

Power

Power source
steam
Estimated power
559 kW (760 PS)
Starting effort
136.8 kN

Calculated values

Factor of adhesion
1 : 4.41
Optimal speed
26 km/h
Power-to-weight ratio
9.1 kW/t
Heating Surface Equivalent
253.4 m²
Cylinder volume/HSE
1 : 796.28
Adhesive weight/Total
1 : 1.00
Tractive force/Heating surface
1 : 22.00
Grate area/Heating surface
1 : 53.78
Firebox/Tube surface
1 : 4.26
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