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The reference for locomotives and railcars

Great Eastern class C32

London & North Eastern class F3

Great Britain 1893 50 produced
collection Jeffrey Hess

The GER class C32 was a tank version of Holden's T26 with an additional trailing axle. It was intended for suburban long distance stopping trains and had a driving wheelbase that was three inches shorter than that of the T26. Between 1893 and 1895, four batches of ten each were built at Stratford. Batch three and four were built with condensing gear. A fifth batch of ten followed in 1902 and had a new boiler with a pressure of 160 instead of 140 psi. Later all were rebuilt to the same boiler.

Like many 2-4-2 tank locomotives, they tended to hunt at speed since they had no guidance from the tender. To improve this, coil springs had to be added to the leading and trailing axles to reset them into the centre position. Shortly before World War I, they were moved to rural service in East Anglia. In 1923 they became LNER class F3. The LNER removed the condensing gear from all locomotives. The class was withdrawn between 1936 and 1953.

Technical data

General

Built
1893-1895, 1902
Manufacturers
Stratford
Wheel arrangement
2-4-2 (Columbia)
Gauge
1,435 mm (Standard gauge)

Dimensions and weights

Wheelbase
7.09 m
Service mass
59.5 t
Adhesion mass
29.7 t
Rigid wheelbase
2.67 m
Axle load
15.5 t
Water capacity
5,455 l

Boiler

Grate area
1.672 m²
Firebox surface
9.374 m²
Tube heating surface
103.689 m²
Evaporative heating surface
113.063 m²
Total heating surface
113.1 m²

Power plant

Driver diameter
1,727 mm
Boiler pressure
9.7 bar
Expansion type
simple expansion
Cylinders
two, 444 x 610 mm

Power

Power source
steam
Estimated power
391 kW (532 PS)
Starting effort
57.2 kN

Calculated values

Factor of adhesion
1 : 5.10
Optimal speed
42 km/h
Power-to-weight ratio
6.6 kW/t
Heating Surface Equivalent
159.9 m²
Cylinder volume/HSE
1 : 1,182.96
Adhesive weight/Total
1 : 2.00
Tractive force/Heating surface
1 : 10.57
Grate area/Heating surface
1 : 67.62
Firebox/Tube surface
1 : 11.06
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