Prussian G 5.5

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Prussian G 5.5
Mecklenburg XX (G 5.4)
Alsace-Lorraine G 5.5
DR series 54.10, 54.12
Numbering: pr. Hanover 4301–4320, Hall 4340–4347
EL 4271–4273
DR 54 1076–1092
MFFE 451–459
DR 54 1201–1203
Number: PrStE 23–28 tbsp
3
9
Manufacturer : Borsig , Grafenstaden , Humboldt left
Year of construction (s): 1909-1910, 1912 1906-1913
Retirement: until 1951 until 1930
Axis formula : 1'C n2v
Genre : G 34.14
Gauge : 1435 mm
Length over buffers: 16,168 mm
Height: 4180 mm
Total wheelbase: 6000 mm
Empty mass: 48.80 t 49.70 t
Service mass: 55.10 t 54.40 t
Friction mass: 44.10 t 42.20 t
Wheel set mass : 14.70 t 14.07 t
Top speed: 65 km / h 60 km / h
Indexed performance: 574 hp / 750 kW
Driving wheel diameter: 1350 mm
Impeller diameter: 1000 mm
Control type : Heusinger
Number of cylinders: 2
HD cylinder diameter: 500 mm
LP cylinder diameter: 750 mm
Piston stroke: 630 mm
Boiler overpressure: 12 bar
Number of heating pipes: 216 222
Heating pipe length: 4124 mm
Grate area: 2.30 m²
Radiant heating surface: 10.80 m² 10.70 m²
Tubular heating surface: 126.20 m² 129.10 m²
Evaporation heating surface: 137.00 m² 139.80 m²
Tender: pr. 3 T 12 bad. 3 T 12
Water supply: 12 m³
Fuel supply: 5 tons of coal

The steam locomotives of type G 5.5 of the Prussian State Railways were freight train locomotives in composite design . These locomotives, however, had an Adam's axle instead of a Krauss-Helmholtz steering rack compared to the largely identical locomotives of the G 5.4 class . At the Grand Ducal Mecklenburg Friedrich-Franz-Eisenbahn , locomotives of this type were classified in class XX , from 1910 G 5.4 . After the establishment of the Deutsche Reichsbahn , they were assigned to the 54.10 and 54.12 series. The locomotives were still in use until after the Second World War.

history

Prussian State Railways

At the beginning of the 20th century there was no consensus on the cheap design of leading axles. A wide variety of designs (Adams axle, Bissel frame , Krauss-Helmholtz steering frame, bogie) were discussed. Above all, the locomotive procurement department of the Prussian railways Robert Garbe preferred Bissel frames and bogies over Krauss-Helmholtz steering frames. As a result of this debate, following the locomotives of type G 5.4 1909/1910 with steering racks, a smaller series of locomotives with an improved design of the Adam's axle were created. The pattern sheet for the construction was given the designation III3n. The locomotives were used in the administrative districts of Halle and Hanover.

The exact number of locomotives of the genus fluctuates in the literature between 23 and 28. In particular, the allocation of the locomotives hall 4340 to 4344 is disputed. After the First World War , seven locomotives were given as reparations to Poland (Ti-4) and five to Belgium. The Deutsche Reichsbahn redrawn 16 machines in 1925. They were given the numbers 54 1067–1069 (Hall 4340, 4342, 4344) and 54 1080–1092. In 1941 four of the locomotives delivered to Poland were given the Reichsbahn numbers 54 1121, 1141, 1157, 1185.

Mecklenburg Friedrich-Franz Railway

At the Friedrich-Franz-Eisenbahn in Mecklenburg, traffic on the feeder route to the Warnemünde ferry port increased sharply from 1900 onwards . For freight traffic on the route, nine locomotives based on the Prussian type G 5.4 were procured between 1906 and 1913. For the front running axle, however, an Adam's axle was chosen instead of the Krauss-Helmholtz steering frame. It was hoped that this would reduce the wear and tear on the wheel tires and put less strain on the superstructure . The locomotives could move a 790 t train at 50 km / h on the plain and 375 t on a 10 ‰ gradient at 25 km / h.

The locomotives with the track numbers 451 to 459 were classified in class XXI. From 1910 they were given the generic designation G 5.4. After the First World War, five locomotives had to be handed over to Belgium as reparations. There they were given the designation B 7400 to 7404 and were retired by 1940. The Deutsche Reichsbahn redesigned three locomotives as 54 1201 to 1203. The retirement took place until 1930.

Imperial Railways in Alsace-Lorraine

In 1912 the Elsässische Maschinenbau-Gesellschaft Grafenstaden built three locomotives for the Reichseisenbahnen in Alsace-Lorraine based on the drawings of the Prussian G 5.4, but with an improved Adam's axle (Bissel frame type Krauss). From 1912 the locomotives were given the number 4271 to 4273. In 1938 the 4273 was given the designation 130-C-273 at the SNCF .

Constructive features

The design of the locomotive was based on the previous models G 5.3 and G 5.4. The inner frame consisted of 25 mm thick sheet metal plates. The long shell was made from three riveted sections. The steam dome with the flat slide regulator was on the middle shot. The Ramsbottom safety valve was in front of the cab. The boiler was fed by two Strube steam jet pumps.

The external two-cylinder wet steam engine was slightly inclined. The steam engine worked on the central coupling axle. The high pressure cylinder was on the right and the low pressure cylinder on the left. The Heusinger control was external. A start-up device from Borries was used.

The drive was supported at four points. The individual leaf spring packages were arranged under the axle bearings. The spring assemblies of the wheelset and the first coupling axle as well as those of the two rear axles were each connected by balancing levers. The wheelset was designed as an Adam axle with a lateral displacement of 45 mm each. In the Prussian locomotives, the wheel set was reset by means of coil springs.

The locomotives had a handbrake and later a Westinghouse air brake . The sandpit was on the rearmost part of the boiler. The sand spreader sanded the center axle set from the front.

literature

  • Manfred Weisbrod, Hans Müller, Wolfgang Petznick: German Locomotive Archive: Steam Locomotives 2 (Series 41 - 59) . transpress, Berlin 1994, ISBN 3-344-70840-6 .
  • Andreas Wagner: Locomotive Archive Prussia 2 - Freight Locomotives . transpress, Berlin 1990, ISBN 3-344-00471-9 .
  • Hans-Joachim Kirsche, Hermann Lohr, Georg Thielmann: Lokomotiv-Archiv Mecklenburg / Oldenburg . transpress, Berlin 1989, ISBN 3-344-00326-7 .
  • Lothar Spielhoff: Steam Locomotives: Railways in Alsace-Lorraine (EFA F.1) . Alba, Düsseldorf 1991, ISBN 3-87094-142-1 .