Random Picture Thread

Discussion in 'All Things Boats & Boating' started by kach22i, Mar 30, 2006.

Page 492 of 606
  1. Tiny Turnip
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    Tiny Turnip Senior Member

    James Dodds

     
    Tiny Turnip, Nov 18, 2016
    #7366
  2. Tiny Turnip
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    Tiny Turnip Senior Member

    Tiny Turnip, Nov 18, 2016
    #7367
  3. Angélique
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    Angélique aka Angel (only by name)

    post #93
    I'm concerned about the Lady, seems she suffers from a Hallux Valgus . . :eek:

     
    Last edited: Nov 24, 2016
    Angélique, Nov 20, 2016
    #7368
  4. hoytedow
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    hoytedow Carbon Based Life Form

    In the radiograph, the hallux valgus seems slightly more pronounced in the left foot.
     
    hoytedow, Nov 21, 2016
    #7369
  5. Angélique
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    Location: Belgium ⇄ The Netherlands

    Angélique aka Angel (only by name)

    Hi Hoyt,​

    I advised the girl to wear Boat Builders boots for better support and more space for her feet . . :idea:

    Now she's wearing them and also advocates them to everyone . . .

    ​

    Then she was mistaken that everything related to boats was comfortable, and build a boat out of a left deck shoe, and that isn't right . . . :eek:

    [​IMG]​
     
    Angélique, Nov 25, 2016
    #7370
  6. hoytedow
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    hoytedow Carbon Based Life Form

    Nice!
     
    hoytedow, Nov 26, 2016
    #7371
  7. SamSam
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    SamSam Senior Member

    SamSam, Nov 26, 2016
    #7372
  8. Angélique
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    Location: Belgium ⇄ The Netherlands

    Angélique aka Angel (only by name)

    -
    Thanks for posting the link and drawings Sam [​IMG]

    I even saw a real picture of the depicted operations . . :)

     
    Angélique, Nov 26, 2016
    #7373
  9. Angélique
    Joined: Feb 2009
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    Location: Belgium ⇄ The Netherlands

    Angélique aka Angel (only by name)

    Angélique, Nov 27, 2016
    #7374
  10. Angélique
    Joined: Feb 2009
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    Location: Belgium ⇄ The Netherlands

    Angélique aka Angel (only by name)

     
    Angélique, Nov 27, 2016
    #7375
  11. hoytedow
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    hoytedow Carbon Based Life Form

    Radar!? I will buy sonar, but not radar, as being the bat's secret weapon.
     
    hoytedow, Nov 28, 2016
    #7376
  12. upchurchmr
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    upchurchmr Senior Member

    SamSam,

    Thanks for the build drawings.

    Hoytedow,

    But whales and porpoise use sonar and they are much more interesting.
    Ban sonar - it gives whales headaches! :p
     
    upchurchmr, Nov 28, 2016
    #7377
  13. rxcomposite
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    rxcomposite Senior Member

    Radar and sonar works in the same principle by the reading the reflection of the transmitted signal. However, radar works only in the air medium (electromagnetic) while sonar uses liquid medium (acoustic).

    So when it flies, radar, when it swims, sonar.
     
    rxcomposite, Nov 28, 2016
    #7378
  14. Jolly Amaranto
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    Jolly Amaranto Junior Member

    My understanding is that the word "sonar" is an acronym for SOund Navigation And Ranging. It was coined to give a name to the underwater system developed by humans. Humans also developed radar, an acronym for RAdio Detection And Ranging. Bats use sound but have been using it long before humans were around. Most folks just use the term echo location to describe how bats navigate and find food.
     
    Jolly Amaranto, Nov 28, 2016
    #7379

  16. hoytedow
    Joined: Sep 2009
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    hoytedow Carbon Based Life Form

    But even in the air the bat is using acoustic, not radio signal. The fluids are of different densities, air vs. water, but they are still fluids. Therefore it is still sonar, not radar. Radar will work in the vacuum of space.
     
    hoytedow, Nov 28, 2016
    #7380
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