VR Class Vk11

VR Class Vk11 (Also called Mt / Vk11 / Tve-Ko)
Type and origin
Power type Paraffin locomotive
Builder Ab Slipmaterial, Västervik (nro 101), ja Lokomo Oy, Tampere (nro 102)
Serial number 101, 102
Build date 1930, 1936
Total produced 2
Specifications
AAR wheel arr. B
UIC class B
Gauge 1,524 mm (5 ft)
Wheel diameter 600 mm (2 ft 0 in)
Fuel type Petrol-paraffin
Transmission mechanical
Performance figures
Maximum speed 30 km/h (19 mph)
Career
Operators VR Group
First run 1931
Withdrawn 1969
Disposition No 101 is preserved at the Finnish Railway Museum
information from [1]

The VR Class Vk11 No 101 locomotive was purchased for testing on a six-mile stretch of track between Vuokatti and Sotkamo, where the use of steam locomotives had proved to be uneconomical due to low traffic. The locomotive was ordered from the Swedish act called Ab Slipmaterial of Sweden, and it was completed in 1930. The locomotive had a six-litre Wisconsin Motor Co, Milwaukee petrol-paraffin internal-combustion engine. In January 1931 the locomotive was delivered to Finland, it initially received the number Mt 101. Another very similar locomotive was ordered home in 1935. It was built by Lokomo in Finland and had an 80 hp paraffin Andros petrol-paraffin engine. It initially received the number Mt 102. In 1953 locomotive class designation was changed to Vk11, and in 1962 they were renumbered again to Tve-ko1 and Tve-ko2.[2] Vk11 locomotives were broadly similar to each other, but there were a number of detail differences. Both were two-axle and weighing 12 tons. Both had engines that ran on kerosene / paraffin as fuel but required gasoline / petrol to start them. Locomotives had different lengths of 5.6 m and 6.0 m.[3] Locomotive Vk11 No. 101 was tested on Vuokatti-Sotkamo line for four months. When the passenger rail in this case was discontinued, it was transferred to the locomotive workshop in Oulu on internal traffic. In 1935, the locomotive was placed in a shunting yard in Siuro. After that the locomotive was used at Vaasa and the workshop at Oulu as a shunter. The locomotive was withdrawn in 1962.[4]

Numbering, Duration of Operation and Manufacturer

Locomotive Number Year Built Year Withdrawn Manufacturer
101 1930 1962 Ab Slipmaterial, Västervik
102 1936 1969 Lokomo Oy, Tampere

See also

References

  1. ↑ http://www.rautatie.org/web/fi/gallerydet.asp?id=14&section=1
  2. ↑ http://www.rautatie.org/web/fi/gallerydet.asp?id=14&section=1
  3. ↑ http://www.rautatie.org/web/fi/gallerydet.asp?id=14&section=1
  4. ↑ http://www.rautatie.org/web/fi/gallerydet.asp?id=14&section=1
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