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    Catamaran

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    • Bryan KB Offline
      Bryan K
      last edited by

      @unknownuser said:

      Blueprints are priceless ๐Ÿ˜‰

      ๐Ÿ˜† Right?

      As with my other exercise models, I only have what I can find on the Internet to work with. Which is fine. It makes me work and focus on the numbers instead of just free-flowing.

      See my portfolio at https://delphiscousin.blogspot.com/

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      • Bryan KB Offline
        Bryan K
        last edited by

        Watch this space. Going to have another go at this.

        See my portfolio at https://delphiscousin.blogspot.com/

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        • Bryan KB Offline
          Bryan K
          last edited by

          Here's the plans. From a 1990s design.


          fig1.gif


          fig5.gif

          See my portfolio at https://delphiscousin.blogspot.com/

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          • Bryan KB Offline
            Bryan K
            last edited by

            Preliminary setup. Still need to scale all plans to each other.


            catamaran.jpg

            See my portfolio at https://delphiscousin.blogspot.com/

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            • ntxdaveN Offline
              ntxdave
              last edited by

              Very interesting. ๐Ÿ‘

              Where do you come up with the plans for this type of stuff? ๐Ÿ˜ฎ

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              • Bryan KB Offline
                Bryan K
                last edited by

                @ntxdave said:

                Very interesting. ๐Ÿ‘

                Where do you come up with the plans for this type of stuff? ๐Ÿ˜ฎ

                Thanks!

                I just search google. Sometimes I have to search a lot and even then, I often have to settle for the next best thing of what I had in mind.

                See my portfolio at https://delphiscousin.blogspot.com/

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                • Bryan KB Offline
                  Bryan K
                  last edited by

                  Plans now scaled.


                  catamaran 2.jpg

                  See my portfolio at https://delphiscousin.blogspot.com/

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                  • Bryan KB Offline
                    Bryan K
                    last edited by

                    Roughing in the bulkheads. I have just one bulkhead to go by, so I'll have to fake the rest.


                    catamaran 3.jpg

                    See my portfolio at https://delphiscousin.blogspot.com/

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                    • Bryan KB Offline
                      Bryan K
                      last edited by

                      Going to be a lot of adjusting before I skin. The hull profile slopes from the top middle down to the ends.

                      I had to pick this one, didn't I? ๐Ÿ˜† Oh well, it will look more interesting this way.


                      catamaran 4.jpg

                      See my portfolio at https://delphiscousin.blogspot.com/

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                      • L Offline
                        L i am
                        last edited by

                        Following with great interest ๐Ÿ‘

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                        • Bryan KB Offline
                          Bryan K
                          last edited by

                          Most of the bulkheads placed and now to just refine their profiles and set up the final aft bulkhead, then find the true hull curve.


                          catamaran 5.jpg


                          catamaran 6.jpg


                          catamaran 7.jpg


                          catamaran 8.jpg

                          See my portfolio at https://delphiscousin.blogspot.com/

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                          • tuna1957T Offline
                            tuna1957
                            last edited by

                            Great progress ๐Ÿ‘ Boats can be a real pain to modelโ€ฆ..

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                            • Bryan KB Offline
                              Bryan K
                              last edited by

                              @tuna1957 said:

                              Great progress ๐Ÿ‘ Boats can be a real pain to modelโ€ฆ..

                              Thanks!

                              Gonna hold off for a while. Local weather has had 30 degree (F, 15 degrees C) swings over the last few days and my head hurts.

                              See my portfolio at https://delphiscousin.blogspot.com/

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                              • Bryan KB Offline
                                Bryan K
                                last edited by

                                How I'm preparing the hull for skinning.


                                catamaran 9.jpg

                                See my portfolio at https://delphiscousin.blogspot.com/

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                                • Bryan KB Offline
                                  Bryan K
                                  last edited by

                                  Sigh.

                                  Crazy busy with the day job the last two weeks and no end in sight. That's why I've just been doing easy renders.

                                  I'm getting impatient to get back to this.

                                  See my portfolio at https://delphiscousin.blogspot.com/

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                                  • Bryan KB Offline
                                    Bryan K
                                    last edited by Bryan K

                                    How I'm doing this:

                                    I made three copies. The first one on the right is my baseline. As I make corrections, it becomes the new baseline and replaces the previous model.

                                    The middle one is where I make corrections, based on:

                                    The one on the far left where I test and find the problems.

                                    Current issues are getting the bulkhead heights to line up exactly with the hull profile.

                                    I intend to use Soap Bubble or Curviloft to skin the hull. At worst, hand connect all the lines to make the hull surface, like I did with the Nadesico.


                                    catamaran 10.jpg

                                    See my portfolio at https://delphiscousin.blogspot.com/

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                                    • Bryan KB Offline
                                      Bryan K
                                      last edited by Bryan K

                                      Yep. Non-connected lines and endpoint alignments were the problem.

                                      I ended up using Curviloft for each compartment.

                                      After making sure the bulkheads were the exact height of the corresponding point on the hull profile, I erased the hull profile lines between each compartment one at a time and made a new line to ensure the endpoints were connected, then used Curviloft to skin. One section at a time.

                                      The bow was tricky and required a lot of small arcs for Curviloft work. The tail still needs some fiddling, but it's nothing major at this point. I'll fix it pretty quickly.

                                      The hull curve is not perfect, but if you didn't know, you can't tell. I'm good with this.... this time.


                                      catamaran 11.jpg


                                      catamaran 12.jpg


                                      catamaran 13.jpg


                                      catamaran 14.jpg

                                      See my portfolio at https://delphiscousin.blogspot.com/

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                                      • Bryan KB Offline
                                        Bryan K
                                        last edited by

                                        Oops. Forget the main shot.


                                        catamaran 15.jpg

                                        See my portfolio at https://delphiscousin.blogspot.com/

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                                        • tuna1957T Offline
                                          tuna1957
                                          last edited by

                                          Looking good so far ๐Ÿ‘ ๐Ÿ‘

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                                          • Bryan KB Offline
                                            Bryan K
                                            last edited by

                                            Thanks tuna!

                                            See my portfolio at https://delphiscousin.blogspot.com/

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