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Belgian Railway type 10
Belgium | 1910 | 58 produced
Type 10 on a 1928 Cockerill commercial
Type 10 on a 1928 Cockerill commercial
Katalog „Les chemins de Fer Belges”

A few years before the First World War, Jean-Baptiste Flamme developed a very powerful boiler that was to be installed in a freight locomotive and an express locomotive at the same time. So from 1909 the type 36 with the 2-10-0 wheel arrangement and from 1910 the type 10 Pacific were built. Since the boiler was relatively short with a large diameter and the chassis of the Pacific naturally had a long overall wheelbase, the appearance of the Locomotive somewhat unusual with a long overhang in front of the smoke box.

The boiler had a grate area of five square meters and narrowed in front of the firebox. It delivered 2,250 hp, making the type 10 one of the most powerful Pacific locomotives in Europe. Since the bogie hardly had to carry any weight from the smoke box, the load was kept within limits despite the four cylinders with simple steam expansion. Due to the special arrangement of the cylinders, the inner cylinders were accessible from above, which made maintenance easier. Although the cylinders were in one plane, the inner ones drove the first driving axle and the outer ones the second. The problem, however, was the weight of the large firebox, which made the load of the trailing axle too high. The Type 36 didn't have this problem as the weight was carried by the coupled axles

As a result, the second batch from 1912 was delivered with a smaller grate surface in order to reduce the axle load on the trailing axle. However, this reduced the power to 1,950 hp, while the service weight of the locomotives was reduced by around four tons. A total of 58 pieces were made by 1914, when production was stopped due to the war.

Locomotive Magazine, July 1910

In the 1920s, the locomotives received double chimneys and new feed pumps. From 1931 there was a major conversion with new feedwater heaters, a larger superheater, new safety valves and smoke deflectors. The result was an output of 2,700 hp for the first batch and 2,400 hp for the second batch. 1938 followed the installation of Kylchap blast pipes. A large proportion of the engines were retired in 1956 and some continued to run on a different route for three more years.

Variantfirst batchsecond batchfirst batch rebuiltsecond batch rebuilt
General
Built1910-19121912-1914from 1931
ManufacturerCockerill, Anglo-Franco-Belge, Saint Léonard, Zimmerman & Hanrez, La Meuse, FUF Haine-Saint-Pierre, La Hestre, Tubize
Axle config4-6-2 (Pacific) 
Gauge4 ft 8 1/2 in (Standard gauge)
Dimensions and Weights
Length69 ft 6 1/4 in
Wheelbase37 ft 5 13/16 in
Fixed wheelbase13 ft 5 7/16 in
Service weight224,871 lbs216,053 lbs253,531 lbs246,917 lbs
Adhesive weight125,663 lbs
Total weight343,039 lbs
Axle load41,888 lbs
Water capacity8,454 us gal
Fuel capacity15,432 lbs (coal)
Power
Power sourcesteam
Indicated power2,219 hp (1,655 kW)1,924 hp (1,435 kW)2,663 hp (1,986 kW)2,367 hp (1,765 kW)
Optimal speed32 mph28 mph38 mph34 mph
Top speed75 mph
Starting effort44,597 lbf
Power Plant
Driver diameter78 in
Boiler pressure203 psi
Expansion typesimple
Cylindersfour, 19 11/16 x 26 in
Boiler
Grate area53.8 sq ft49.3 sq ft53.8 sq ft
Firebox area215.3 sq ft
Tube heating area2,583.3 sq ft2,486.5 sq ft
Evaporative heating area2,798.6 sq ft2,701.7 sq ft
Superheater area667.4 sq ft815.9 sq ft
Total heating area3,466 sq ft3,517.6 sq ft
Calculated Values
steam locomotive
express
Jean-Baptiste Flamme
last changed: 06/2022
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