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・ VQA
・ VQP
・ VQuad-HD
・ VR
・ VR (nerve agent)
・ VR blue carriages
・ VR Class Dm10
・ VR Class Dm11
・ VR Class Dm12
・ VR Class Dm7
・ VR Class Dr12
・ VR Class Dr13
・ VR Class Dr14
・ VR Class Dr16
・ VR Class Ds1
VR Class Dv12
・ VR Class Eil
・ VR Class Hr1
・ VR Class Hr11
・ VR Class Hv1
・ VR Class Pr1
・ VR Class Pr2
・ VR Class Rro
・ VR Class Sk1
・ VR Class Sk3
・ VR Class Sm1
・ VR Class Sm2
・ VR Class Sm3
・ VR Class Sm4
・ VR Class Sr1


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VR Class Dv12 : ウィキペディア英語版
VR Class Dv12

The Dv12 (Sv12 and Sr12 until 1977) is the standard Finnish medium-weight diesel-hydraulic road locomotive operated by VR. As all the main lines of Finnish railway network have been electrificied, the locomotive is designated mostly to unelectrified, less frequently used side lines. Occasionally it may still pull cargo trains on main lines. It has also been put in service as a shunter, replacing older classes Dv15 and Dv16 as they were retired. A total of 192 locomotives were built by Lokomo and Valmet between the years 1963 and 1984. As of 2011, the oldest Dv12 units are 48 years old.
== Technical information ==

The Dv12 is a general purpose locomotive which was designed for both passenger and cargo train use. Its 1000 kW power is somewhat low by current standards, but it is capable of multiple-unit operation with only one train crew and doublets and triplets are common. It has a low axle load of 15.6 tonnes, which makes it very well suited for branch lines that allow only smaller axle loads. All the axles are interconnected with shafts and universal joints to the Voith L 216 rs hydraulic transmission. Because all axles must rotate at the same speed, the individual slipping of axles is impossible. This translates into a very good tractive effort for a 62 tonne locomotive. The main engine is a Finnish-built Tampella SACM MGO V16 BSHR Diesel with two Brown Boveri-VTR 200 M turbochargers.
The Dv12 has two speed ranges, for cargo use and for passenger use. This mechanical gear can only be switched with the locomotive at standstill.

抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
ウィキペディアで「VR Class Dv12」の詳細全文を読む



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