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    From: "WM " <c...@g...SKASUJ-TO.pl>
    Newsgroups: pl.sci.inzynieria
    Subject: Fire piston
    Date: Wed, 5 Oct 2011 19:07:31 +0000 (UTC)
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    [ ukryj nagłówki ]

    Zastanawialismy się kiedys na tym forum, jak pierwotni mieszkancy Azji
    wykonywali termodynamiczny aparat, czyli 'fire piston'.
    Teraz juz bedziemy wiedziec, bo na filmie to widać.
    Okazuje sie, ze zreczne rece Malajczyka, tylko przy pomocy maczety i
    wkretaka tworza to cudo pierwotnej techniki,
    ktore zainspirowalo wynalazce silnika wysokopreznego :)
    www.youtube.com/watch?v=5NKq4ChNOew
    www.youtube.com/watch?v=yK2yqcKdUZc&NR=1
    Tekst pod filmem:
    ''Jamri, a native Semelai, demonstrates the lost art of firepiston
    construction.
    The firepiston creates fire by rapidly compressing a column of air, and
    thereby sufficiently increasing the temperature in the chamber to ignite the
    tinder placed in the cup at the head of the piston. (In excess of 430
    degrees C)

    In the early 19th century European explorers began encountering the native
    peoples of South East Asia and were astonished to see them utilizing a fire-
    lighting device they could not comprehend.
    In 1877 Carl Linde gave a lecture in Munich in which he demonstrated a
    firepiston.
    Rudolph Diesel was in attendance and this experience later stimulated him to
    designing the diesel engine.
    Unfortunately, amongst its original inventors the knowledge of its
    construction and use is almost totally lost, replaced by the trappings of
    the modern world.

    The process took approximately 2 hours, the gasket is made from fibres
    extracted from the bark of the Terap tree (Artocarpus Elasticus), the tinder
    is extracted from palms such as the Fishtail palm (Caryota) in Malaysia or
    the Apiang palm (Arenga undulatifolia) in Borneo. It is scraped from the
    layers which surround the palms heart.

    Filmed in Malaysia by BOD and Stuart. ''

    Pozdrawiam WM



    --
    Wysłano z serwisu Usenet w portalu Gazeta.pl -> http://www.gazeta.pl/usenet/

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