Subject:
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Re: What are the fins on some steam locomotives for?
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Newsgroups:
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lugnet.trains
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Date:
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Wed, 15 Dec 1999 19:57:27 GMT
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Viewed:
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1433 times
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In lugnet.trains, Hao-yang Wang writes:
> At the front end of some steam locomotives, there are two vertical fins. What
> are they for?
>
> Thanks,
> Hao-yang Wang
They are to deflet the smoke from the chimney. Most of the time, the engine
design would be such that the airflow across the top of the engine lifts the
smoke off the enginetop. Sometimes the designer didn't get it right, and
various 'smoke deflectors' were added. Even then, some engines were known to
be 'dirty' engines, that the smoke would travel along the top of the engine,
and down into the cab.
James Powell
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