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・ British Rail Class 41
・ British Rail Class 41 (HST)
・ British Rail Class 41 (Warship Class)
・ British Rail Class 411
・ British Rail Class 413
・ British Rail Class 414
・ British Rail Class 415
・ British Rail Class 416
・ British Rail Class 418
・ British Rail Class 419
・ British Rail Class 42
・ British Rail Class 421
・ British Rail Class 423
・ British Rail Class 424
・ British Rail Class 43
British Rail Class 43 (HST)
・ British Rail Class 43 (Warship Class)
・ British Rail Class 432
・ British Rail Class 438
・ British Rail Class 44
・ British Rail Class 442
・ British Rail Class 444
・ British Rail Class 447
・ British Rail Class 45
・ British Rail Class 450
・ British Rail Class 455
・ British Rail Class 456
・ British Rail Class 458
・ British Rail Class 46
・ British Rail Class 460


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British Rail Class 43 (HST) : ウィキペディア英語版
British Rail Class 43 (HST)


The British Rail Class 43 (HST) is the TOPS classification used for the InterCity 125 ''High Speed Train'' (formerly classes 253 and 254) power cars, built by BREL from 1975 to 1982.
The class is the fastest diesel locomotive in the world, with an absolute maximum speed of , and a regular service speed of . There are claims that this diesel rail speed record has been broken twice unofficially: by the TEP80 Russian train in 1993 achieving , and the Talgo XXI Spanish train reporting in 2002.
==History and background==

In the early 1970s the British Railways Board (BRB) made the decision to replace its main-line express diesel traction. Financial limitations were tight, so mass electrification was not possible. As a result, a new generation of high-speed diesel trains had to be developed.
Experience with the high-speed Class 55 ''Deltic'' locomotives had shown that a low axle weight was essential to avoid damage to the track at sustained high speed, and that high-speed engines were the only way to provide a good enough power/weight ratio for diesels. To power the HST at up to , each power car had a new diesel engine, the 12-cylinder Paxman Valenta, running at 1,500 rpm and developing . The 70-tonne weight of the power car gave it a 17.5-tonne axle loading.

抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
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