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smoke deflectors
Smoke deflectors, sometimes called "blinkers" in the UK because of their strong resemblance to the blinkers used on horses and "elephant ears" in the US railway slang, are vertical plates attached to the front of a steam locomotive on each side of the smokebox. They are designed to lift smoke away from the locomotive at speed so that the driver has better visibility.
==Overview==
Smoke deflectors became increasingly common on later steam locomotive designs as efficiency gains through improved smokebox design and reduced back pressure on the cylinders in turn reduced the uplift of smoke exiting the chimney.〔(【引用サイトリンク】title=S class steam locomotives )〕
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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