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2556 Outboard conversion

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    #46
    Hey Sholphin02,

    I hope Santa was good to you. Wondering about how you are progressing along in your conversion project.

    Comment


      #47
      Wondering also 😁
      Dave
      Edmonds, WA
      "THE FIX"
      '93 2556
      Carbureted 383 Vortec-Bravo II 2.0:1 18 1/4x19 P

      The rebuild of my 2556 https://www.baylinerownersclub.org/f...76?view=thread
      Misc. projects thread
      https://www.baylinerownersclub.org/f...56-gctid789773

      Comment


        #48
        Hi everyone,
        happy new year to all.

        Sorry for not keeping you up to date but I faced many hurdles and the boat is still not finished yet......but close.

        What is done so far:

        - Removable of portside concrete
        - New wiring loom for 12V in electric sheath
        - Nmea2000 network everywhere (Gaz Tank sensor, water tank sensor, motor input, chartplotter, VHF, audio, ....)
        - cutout on flybridge for new electronics and controls
        - New kitchen worktop (lighter with honeycomb and different cutout)
        - New portlight in front
        - Build of the motor bracket
        - New water hoses and circuit

        What is left to do:

        - Installing the new hydraulic steering
        - Installing the new electronics (Simrad Go 7XSE / Nmea VHF)
        - Installing the new motor (Suzuki DF300 - 450 hours)
        - Painting the bottom hull and motor bracket

        It took so long
        I can't wait to see her in the water again.


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          #49
          Here some pictures.
          Attached Files

          Comment


            #50
            Glad to hear you’ve been pounding away at the project.
            👍🏼
            Dave
            Edmonds, WA
            "THE FIX"
            '93 2556
            Carbureted 383 Vortec-Bravo II 2.0:1 18 1/4x19 P

            The rebuild of my 2556 https://www.baylinerownersclub.org/f...76?view=thread
            Misc. projects thread
            https://www.baylinerownersclub.org/f...56-gctid789773

            Comment


              #51
              The outboard bracket was fabricated on site. Is this a basic design that’s typically used by your fiberglass guy?
              Dave
              Edmonds, WA
              "THE FIX"
              '93 2556
              Carbureted 383 Vortec-Bravo II 2.0:1 18 1/4x19 P

              The rebuild of my 2556 https://www.baylinerownersclub.org/f...76?view=thread
              Misc. projects thread
              https://www.baylinerownersclub.org/f...56-gctid789773

              Comment


                #52
                Originally posted by builderdude View Post
                The outboard bracket was fabricated on site. Is this a basic design that’s typically used by your fiberglass guy?
                Good question. Doesn’t appear to be structural enough to support the weight and stress of a big outboard under load. I would have expect a box construction bolted to the transom. Made out of aluminum.
                1997 Maxum 2400 SCR 5.7LX Bravo II

                Mike

                Comment


                • builderdude
                  builderdude commented
                  Editing a comment
                  Or some metal structure within for securing it mechanically to the transom.
                  🤔

                • Metrodriver
                  Metrodriver commented
                  Editing a comment
                  I would have made x-bracing inside the box, but I also would have extended the "stringers further inside the boat, transferring loads deepwr into the hull than only to the transom. In a normal i/o setup the loads of the prop (outdrive) are absorbed by the transom and forward engine mounts, in this conversion all loads (forward / rearward, twisting left / right, up/down all concentrate on transom. The left /right won't be much of an issue because of the width of the whole bracket, up down would be more of a problem. Torque from the engine an gyroscopic forces from the prop want to make the engine go one way, the boat wil go up and down in waves.
                  Disclaimer: I am not a marine propulsion engineer.

                #53
                Yes it was build on site.
                Is is tailor made for my boat considering the new weight (without inboard) and hull form.
                But don't worry it is plenty strong....probably even more than a SS bracket (while being lighter)
                Attached Files

                Comment


                  #54
                  i built similar with the exception that where the plywood goes through the transom hole i "sistered" the plywood to the sides of the motor stringers all the way to the bulkhead.
                  i 45'd down like you did to stringer height and carried it forward to counter balance the force

                  what kind of plywood is that?

                  Comment


                    #55
                    what kind of plywood is that?
                    it is a sandwich with 3mm plywood / Nomex / 3mm plywood.
                    As said before, very liight and plenty strong

                    Comment


                      #56
                      Wow lots of work there. Looks good! Im interested to see your finished product on the interior and the performance you get with your new outboard!

                      Comment


                        #57
                        I can see the light at the end of the tunnel ^^

                        The OB is now installed.
                        The boat will be back in water very soon.
                        Attached Files

                        Comment


                          #58
                          Coming along. It’ll be interesting to see where the new waterline hits the hull.
                          Dave
                          Edmonds, WA
                          "THE FIX"
                          '93 2556
                          Carbureted 383 Vortec-Bravo II 2.0:1 18 1/4x19 P

                          The rebuild of my 2556 https://www.baylinerownersclub.org/f...76?view=thread
                          Misc. projects thread
                          https://www.baylinerownersclub.org/f...56-gctid789773

                          Comment


                            #59
                            Looking good!
                            Kicking myself in the ass for not buying a 2556 with twin 250’s that was on CL in Florida a couple years ago.
                            Esteban
                            Huntington Beach, California
                            2018 Element 16
                            Currently looking for 32xx in South Florida
                            Former Bayliners: 3218, 2859, 2252, 1952

                            Comment


                              #60
                              Coming along. It’ll be interesting to see where the new waterline hits the hull.
                              Yes, that is also my number one question....and what perfs I will get

                              Looking good!
                              Kicking myself in the ass for not buying a 2556 with twin 250’s that was on CL in Florida a couple years ago.
                              Thanks.
                              Yeah, 500Hp on a 2556 should make the boat quite lively ^^
                              I'll stick with 300HP. Should be plenty enough....but hey, i get it. Your from the US so bigger is better

                              Comment

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