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The reference for locomotives and railcars

Finnish Railway series L1

Finnish Railway class Vr1

Finland 1913 43 produced
No. 667 in the Vellamo Maritime Museum Eduard47 CC BY-SA 4.0

In 1913, the Finnish State Railways introduced the L1 shunter. It was a 0-6-0T tank locomotive that was originally operated with saturated steam and fired either with wood or coal. The wood-fired locomotives could be recognized by their balloon-shaped chimney. Due to their bad running characteristics at speeds of more than 20 km/h, they earned the nickname “Kana” (Hen). Today they are better known as Vr1, the designation they got with the new scheme that was introduced in 1942.

By 1927, 33 had been built by Tampella in Finland and 10 more by Hanomag in Germany. In 1918 six came to Russia, of which four returned ten years later. Starting in 1925, they were superheated. This ensured that their power still met the requirements for shunting service for several decades to come. The last ones were retired from regular service in 1975 and today, 17 of the 43 class members are still existing.

Technical data

General

Property as built superheated
Built 1913-1927
Manufacturers Tampella, Hanomag
Wheel arrangement 0-6-0T (Six-coupled)
Gauge 1,520 mm (Russian broad gauge)

Dimensions and weights

Property as built superheated
Length 9.15 m
Service mass 44.8 t
Adhesion mass 44.8 t
Axle load 15 t
Water capacity 4,500 l
Fuel capacity 2 t (wood) 2 t (coal)

Boiler

Property as built superheated
Grate area 1.44 m²
Evaporative heating surface 52.9 m²
Total heating surface 52.9 m² 68.3 m²
Superheater surface 15.4 m²

Power plant

Property as built superheated
Driver diameter 1,270 mm
Boiler pressure 12 bar
Expansion type simple expansion
Cylinders two, 430 x 550 mm

Power

Property as built superheated
Power source steam
Estimated power 300 kW (408 PS) 400 kW (544 PS)
Top speed 25 km/h
Starting effort 81.7 kN

Calculated values

Property as built superheated
Factor of adhesion 1 : 5.38
Optimal speed 23 km/h 31 km/h
Power-to-weight ratio 6.7 kW/t 8.9 kW/t
Adhesive weight/Total 1 : 1.00
Tractive force/Heating surface 1 : 32.25 1 : 24.98
Grate area/Heating surface 1 : 36.74 1 : 47.43
Total/Superheater 1 : 3.44

Topics

  • steam locomotive
  • switcher
  • tank locomotive
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Last changed: 12/2024

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