What is the history of anti fouling ?

Discussion in 'Boat Design' started by frank smith, Jun 29, 2012.

  1. frank smith
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    frank smith Senior Member

    I was recently asked the what people did in the old day to keep stuff from growing on their boats. So my question is what did they do long time ago
    for anti fouling ?

    Frank
     
  2. Angélique
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    Angélique aka Angel (only by name)

    Here's some anti fouling history . . . .
    See also Copper sheathing & Muntz metal.

    Cheers,
    Angel
     
  3. frank smith
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    frank smith Senior Member

    So before that boats must have been beached and scraped , then maybe cover with pine tar or the like . They must have been in a constant state of rebuild.
     
  4. bntii
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    bntii Senior Member

    Sheep's blood mixed with sulfur.
     
  5. CDK
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    CDK retired engineer

    Later they used line seed oil mixed with poisons like antimony and cyanide. That worked very well, it even kept the other boats clean in a harbor.
     
  6. peter radclyffe
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    peter radclyffe Senior Member

    chilli peppers can be used mixed with ground up madonna c d,s and black tar varnish, nothing will go near it
     
  7. gonzo
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    gonzo Senior Member

    Ram's fat melted and painted on the bottoms. Also, tar.
     

  8. BATAAN
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    BATAAN Senior Member

    "Whitebottom" was lime and tallow and used in the eastern US. I believe this is what was traditional on Arabic Dhows too.
    UK fishing vessels were tarred on the bottom with pitch in the seams.
    A recurrent act there was "breaming" where flame was used to burn off marine growth and soften the tar and pitch, enabling a pitch mop to be run over the surface and smooth it up.
    And here's Wiki's reference on bottom treatments.
    http://en.wikipedia.org/wiki/Copper_sheathing
     
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