Mast and Rigging calculations

Discussion in 'Software' started by TANSL, Feb 11, 2016.

  1. TANSL
    Joined: Sep 2011
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    TANSL Senior Member

    Hi Jarmo,
    Perhaps the self-protection of Windows or your antivirus have rated MyR as "malicious" or something similar and leave it unable to boot. The first time you try to start any new .exe file the system performs a check which can take some time. It seems that nothing happens but after some time he asks the user what he wants to do with that .exe file
    Make sure the file MyR.exe remains in the installation folder, that has not been erased.
    To exchange files and screenshots you can use, if you want, my email: 657677483@orange.es. The more information you give me on what happens, the better I can serve you.
    Thank you for your interest and I'm really sorry on so much discomfort.
    Cheers
    Ignacio
     
  2. brian eiland
    Joined: Jun 2002
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    brian eiland Senior Member

    Sail Loading on the Rig, ...Rig loading on the Vessel

    I think you might find some very interesting postings and references in this subject thread I started a few years ago. Here is that first posting i began the subject thread with:

    http://www.boatdesign.net/forums/sailboats/sail-loading-rig-rig-loading-vessel-2293.html
     
  3. brian eiland
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    Location: St Augustine Fl, Thailand

    brian eiland Senior Member

  4. TANSL
    Joined: Sep 2011
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    TANSL Senior Member

    brian eiland, the paragraph that you are referring to, post #16, is concerning the case of free-standing mast that has nothing to do with the method proposed by the NBS. Therefore, his comments do not come.
    With regard to abstract you make from other threads you started, I find so interesting that I promise you to read it carefully. Btw some comments are somewhat curious, if not humorous.
    At the moment what I can say is that the NBS is a method that greatly simplifies things and, a few years ago to normal vessels, was very simple and very effective. Of course, it produces masts and rigging oversized, but that, when it is not about racing boats may not be very important. A good designer should always know the tools on his hands and should not use then when they are not adequate. Today, with programs behavior of fluids and existing programs of calculation a rig can be optimized to extremes that were unthinkable only 15 or 20 years ago.
    If you want to demonstrate that the method of the NBS is obsolete, I would advise you not to waste your time on it. We all know that is outdated but it should not be discarded. Do you know the Cross method for calculating structures ?. It is obsolete but nobody would say is wrong.
    The method of the NBS will be incorrect not by itself but because the designer uses it improperly.
     
  5. TANSL
    Joined: Sep 2011
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    TANSL Senior Member

    I am pleased to announce that is now available on my website the latest version of MyR, software for calculating mast and rigging. Thanks to the collaboration of some users it has been possible to fix several bugs and to add some accessories:
    - Calculating the upper panel of fractional mast.
    - Calculation of the pillar under deck for deck stepped masts.
    - Catalog of profiles of masts and booms with automatic selection of possible profiles.
    - Calculation of self standing mast.
    Thank you all for the good reception given to this software.
     
  6. brian eiland
    Joined: Jun 2002
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    Location: St Augustine Fl, Thailand

    brian eiland Senior Member

    I'm going to ask this question again.....

     
  7. valber
    Joined: Feb 2006
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    Location: Ukraine

    valber Naval Architect

    Thanks for the useful tool, Ignacio!
    Are there any news about the calculation of catamaran masts and rigging?
    For current design I will go to FEM analysis. But may be are there some calculation methods for initial stages of cat design?
     

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  8. TANSL
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    TANSL Senior Member

    Sorry but the application has not been very successful and I have stopped working on it. I have fixed bugs only, if there were, but I have not continued to develop it.
     
  9. valber
    Joined: Feb 2006
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    valber Naval Architect

    That's a pity! :(
     
  10. TANSL
    Joined: Sep 2011
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    TANSL Senior Member

  11. mikeny
    Joined: May 2013
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    Location: Husum Wa

    mikeny Junior Member

    I rarely see the use of Steel Mast and in BS book he used a 5 inch steel tubing 1/8 inch wall thickness. Anybody else to use the steel mast
     

  12. Mermaid Co
    Joined: Oct 2012
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    Location: Singapore

    Mermaid Co Junior Member

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