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Württemberg Fc
German Reichsbahn class 538
Germany | 1890
125 produced
Maschinenfabrik Esslingen

On the basis of the F series, which was produced until 1881, Maschinenfabrik Esslingen developed the Fc, the first examples of which were delivered in 1890. A two-cylinder compound engine was used to increase performance and efficiency compared to its predecessor. It was the first German goods locomotive with this type of engine.

Due to the greater weight of the compound cylinders, it had become necessary to redesign the locomotive in various aspects in order to maintain the even distribution of the load on all wheel sets. The boiler was therefore moved back a bit to balance the masses. Due to the now larger overhangs, the total wheelbase has been increased by eight inches and the arrangement of the springs has also been chosen differently. In addition to the more efficient engine, the new locomotive had a boiler pressure of 12 bar or 14 bar for locomotives built from 1897, which further increased power. Since the weight increased by about ten tonnes, it also had enough adhesive weight for heavy goods trains. Tests showed that the maximum speed could be reached on the flat with trains of up to 1,000 tons. 370 tons could still be towed at 25 km/h on gradients of one percent.

Initially, a screw brake was used as the braking system, which only affected the tender. Later, all locomotives were converted to air brakes. By 1909, 125 examples had been built, eight of which came from the Esslingen state railway workshop. In 1925 another 65 units came to the Reichsbahn, which received the numbers 53 801 to 53 865. The decommissioning, which was carried out relatively quickly, was completed by 1929.

Variantvariant 1890variant 1897
General
Built1890-18961897-1909
ManufacturerEsslingen
Axle config0-6-0 (Six-coupled) 
Gauge4 ft 8 1/2 in (Standard gauge)
Dimensions and Weights
Length46 ft 3 1/16 in
Wheelbase10 ft 6 in
Rigid wheelbase10 ft 6 in
Empty weight78,484 lbs
Service weight87,303 lbs
Adhesive weight87,303 lbs
Axle load29,101 lbs
Water capacity2,642 us gal
Fuel capacity11,023 lbs (coal)
Boiler
Grate area15 sq ft
Firebox area86.2 sq ft
Tube heating area1,184.9 sq ft
Evaporative heating area1,271.1 sq ft
Total heating area1,271.1 sq ft
Variantvariant 1890variant 1897
Power Plant
Driver diameter48.4 in
Boiler pressure174 psi203 psi
Expansion typecompound
Cylinderstwo, HP: 18 7/8 x 24 1/8 in
and LP: 27 x 24 1/8 in
Power
Power sourcesteam
Estimated power402 hp (300 kW)469 hp (350 kW)
Optimal speed15 mph
Top speed28 mph
Starting effort17,626 lbf20,574 lbf
with start valve21,151 lbf24,689 lbf
Calculated Values
steam locomotive
freight
Eugen Kittel
last changed: 01/2022
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