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costek

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Posts posted by costek

  1. Hi; thank you for your alerts.


    I have used the table "Lars Larsson - Rolf Elasson" published in the yacht design principles "pg.12-13" on re-sizing. Which is On the boats from 7 to 19 M. It works very well when enlarger in or reduce.

     

    I agree with you on the importance of mathematics, but all the references to be taken in boat design are either statistical or empirical. For this reason, I do not think that the consequences will be more than a deduction, not a reflection of the truth.

     

    When I build the model, how do I apply it in the project, using that technique, give me an idea that I threw it into the water as it was finished. The DWL line I just pulled out was sitting right there.

     

    You're right about the center of weight. I think the possibility of compensating using the added bilinear ballast if necessary. By following your suggestion; I will recalculate the sailing field, force center and lead.

     

    As a designer, I hope that you will not consider my words as pragmatism.:unsure: For your interested and thank you again for your suggestions. :)

     

    In the meantime I want to ask; I have not used English for a long time. Is my expressions be understood? This is important. So I hope I can improve my English.

  2.  

    Hello, everyone.
    I'm Mehmet from Türkiye. First of all I apologize for any mistakes I can make with inadequate English. I think I will improve with plenty of practice over time and thank you in advance for your assistance and patience in this regard.

    Vacationer is flat bottom, low profile, "25-30cm." can be defined as a lake boat boat. In wich they are warning that they have sheltered waters even in their own web site.

    When I gave my heart to this project many years ago, this expression; Due to my lack of experience and knowledge of the sea, he forced me to leave

    Until this time I noticed that boats like walnut shells travel safely at sea. Of course there are other reasons, my age is moving forward and my financial situation is constantly deteriorating.  And I do not want to die without a tour with my own boat.
    For this reason I decided to do "Stevproject's Vacationer", which I thought could be done on a low budget, shortly without help, and with some modifications.

    First: I'll put the engine in a well. Later I will try to make it suitable for the open seas such as Mediterranean, Aegean and Black Sea by adding a V base karina up to. Of course, the cabin will to rise to the point where it would not break the proportions and It's also a bit larger

    The project is based on the original plywood, but the plywood prices have flying. For this reason, I decided to make it from solid wood and I preferred to make the material "Laden" because the only material that could be found in this region was pine.

    First, I decided to started to improvise the changes I'm going to make on the 1/10 model that the project.

     

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    On plan DWL line unfortunately does not exist. When I  according to the observation I got from the images on the surface of the sited and those who applied it earlier, it looks like the head of the craft will bury 2-3 degrees in the water as the DWL line is draw.

     


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    No longer; After to paint it with epoxy. I left it to water to see it in the water and identify the non-plan DWL line.


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    When I threw it to the water, it was happened the first thing I predicted. The waterwave lined low 2 degrees from the axis of the spine. Then I noticed that the curtain on which the pole box lined was placed 2 degrees horizontally. Maybe for this, do not know real reason . Anyway I decided to continue.

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    Probably the pulley on rudder caught your attention. It for the rudder movement to be moved to the "yeke" is due to the inverted tilt of the stern, you don't look at the roughness of its dimensions.

     

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    Now it's time to transfer the changes made to the plan.

     

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    • Like 2
  3. Hi Ludvik; first thank you for that your efforts. But I must say, I have not a problem how can we find waterline. My trouble is that on Vacationer plan has no a mark to show us waterline.
    Whatever; when the time comes I'll solve this problem. But I don't think as you. the sample that you gave us is not right way. Yes we can find straight line with hose scale but that is not show us thats point is waterline.
    Also you can find alot of point " LWL :) " on the same boat. As you can.

    My friends; this subject closed for me anymore. To everyone thank you very much for yours reply.
    Bu if there is someone who build "Vacationer" I want to discuss about the plan, and about performance of Vacationer.

  4. Yes Alex; you are right the line on the spine is not LWL. In this case, for interior space construction; we will need to adjust the balance according to the bottom panel's head and aft. In this case it would be correct to mention this issue in the plan.

    Your comment gave me an idea thank you . :)

  5. Hello designer. Thank you for your interest. I agree with what you say. But; you need to refer to the LWL line to get the balance while you're build the boat so that you can balance it with the boat when the boat is down.
    According to the sighting plan on the vacationer, the only straight line for reference is the line on the spine. But when the boat is standing on the water, the head is more buried in the water; which, as shown in the picture, causes a 3-degree bow at the spine line.
    It may seem little, but the big problem for building interior design is; "a curve table, a curve cooker, a curve bed... etc.)

     

    Is there a solution that I can not see? Can someone who has done Vacationer help?

  6. Hello to everyone. I'm getting ready to make a Vacationer. However, the LWL line does not appear on the plan.
    If you take the line line on the spine to get a balance, the transom is buried in the water.
    When trying to adjust according to appearance in the water, the line on the spine is angled at 3 degrees. Is there someone to help me?

     

    MRXi6eX4KwKqlahQM645swGVlhhW-46akWwUfBxL

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