HYSWAS anyone?

Discussion in 'Hydrodynamics and Aerodynamics' started by Submarine Tom, Mar 10, 2012.

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  1. Submarine Tom

    Submarine Tom Previous Member

    Anybody here ever work on this project?

    -Tom
     

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    Submarine Tom, Mar 10, 2012
    #1
  2. hoytedow
    Joined: Sep 2009
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    hoytedow Carbon Based Life Form

    Tis a weird wee beastie.
     
    hoytedow, Mar 10, 2012
    #2
  3. Submarine Tom

    Submarine Tom Previous Member

    Isn't it though!

    You should see it go!!

    Google it.

    I'll see if I can get the video link...

    -Tom
     
    Submarine Tom, Mar 10, 2012
    #3
  4. sabahcat
    Joined: Dec 2008
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    Location: australia

    sabahcat Senior Member

    sabahcat, Mar 10, 2012
    #4
  5. Submarine Tom

    Submarine Tom Previous Member

    That's it, (thanks sabahcat), but you've got to get past the intro human powered pontoon boat (which works if you add a hand operated canard amidships for balancing).

    -Tom
     
    Submarine Tom, Mar 10, 2012
    #5
  6. Ad Hoc
    Joined: Oct 2008
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    Ad Hoc Naval Architect

    What is your interest in this vessel Tom?
     
    Ad Hoc, Mar 10, 2012
    #6
  7. Submarine Tom

    Submarine Tom Previous Member

    I would like to build one similar to it but only 90 cm long for a competition (fun, no prize money).

    Why do you ask?

    -Tom
     
    Submarine Tom, Mar 10, 2012
    #7
  8. Ad Hoc
    Joined: Oct 2008
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    Ad Hoc Naval Architect

    Just curious to the motivation, that's all.

    You're going to have a problem scaling down some of the designs unique features to make it work effectively at model scale.
     
    Ad Hoc, Mar 11, 2012
    #8
  9. zeczaer
    Joined: Mar 2012
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    zeczaer Future Naval Arc

    :D nice aerofoil..
     
    zeczaer, Mar 11, 2012
    #9
  10. Submarine Tom

    Submarine Tom Previous Member

    I wouldn't be scaling it down, simply applying the principle to accommodate the competition rules.

    -Tom
     
    Submarine Tom, Mar 11, 2012
    #10
  11. gonzo
    Joined: Aug 2002
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    gonzo Senior Member

    You are scaling it down if the size is smaller. The main problem you will find is that the viscosity of the water stays the same, so the behavior of a small model is similar to a full size boat running in oil.
     
    gonzo, Mar 11, 2012
    #11
  12. Submarine Tom

    Submarine Tom Previous Member

    Please read my posts more carefully Gonzo.

    "Building one similar to it" and "applying the principle" aren't the same as scaling down.

    Scaling up or down more than 10% doesn't work out too well.

    -Tom
     
    Submarine Tom, Mar 11, 2012
    #12
  13. Boat Design Net Moderator
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    Boat Design Net Moderator Moderator

    Please, let's be polite to one another. Thanks.
     
    Boat Design Net Moderator, Mar 12, 2012
    #13
  14. Boat Design Net Moderator
    Joined: Feb 2010
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    Boat Design Net Moderator Moderator

    Sometimes reading a post and not having the facial expressions to go with it, comments are taken wrong. Possibly he mistook your Post #12 for more than it was intended. In any case, please, everyone, be civil to your fellow forum members.

    P.S. re: what the vessel is, in addition to the video posted on Quest
    http://www.youtube.com/watch?v=kRuUtOmMGR0

    there are some still photos from other angles at
    http://www.foils.org/gallery/next.htm
    Now, please, let's all be civil to one another and let this thread get back on track. Thanks very much.
     
    Boat Design Net Moderator, Mar 12, 2012
    #14

  16. whitepointer23

    whitepointer23 Previous Member

    no worrys , i have deleted my posts on this thread ,
     
    whitepointer23, Mar 12, 2012
    #15
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