1/96 Albacore (after Phase III coversion 1961)

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  • He Who Shall Not Be Named
    Moderator
    • Aug 2008
    • 12255

    Originally posted by DMTNT

    Perhaps a dumb question, but I've found that my aft dive plane control rod magnet de-coupling when I apply full throw on the servo. It'll still pull the rod attached to the aft planes, but the connection breaks until the servo returns to neutral and the magnets re-couple. Full throw in the opposite direction isn't an issue as the rod is being pushed.
    You're not alone there. It's happened to me. Either owing to some mechanical binding within the linkage or hydrodynamic forces from the control surface itself. The solution, as some have done is to go with bigger magnets that are less prone to de-coupling under tension. What I do is slip on a bent 'U'-shaped retainer clip that keeps the two magnets in close proximity, no mater how much tension is exerted to break union between magnet faces.







    David
    Who is John Galt?

    Comment

    • DMTNT
      Commander
      • Jun 2018
      • 297

      I’ll look into that. My temporary solution has been to just join the offending pushrods with a brass collar and a set screw. Kills the quick-detach functionality, but it’s not going anywhere.

      -Brady
      Dead men tell no tales...

      Comment

      • He Who Shall Not Be Named
        Moderator
        • Aug 2008
        • 12255

        Originally posted by DMTNT
        I’ll look into that. My temporary solution has been to just join the offending pushrods with a brass collar and a set screw. Kills the quick-detach functionality, but it’s not going anywhere.

        -Brady
        That'll do it. But investigate why the magnet pull apart do to excessive tension -- something wroing with the linkage. Something is binding somewhere. Track it down and fix! Let's see some pictures of the linkages. Rudder, stern planes, and bow planes.

        David
        Who is John Galt?

        Comment

        • trout
          Admiral
          • Jul 2011
          • 3545

          If it is not binding, another area is that the throw of the servo is much.
          If you can cut, drill, saw, hit things and swear a lot, you're well on the way to building a working model sub.

          Comment

          • He Who Shall Not Be Named
            Moderator
            • Aug 2008
            • 12255





















            David
            Who is John Galt?

            Comment

            • HardRock
              Vice Admiral
              • Mar 2013
              • 1609

              Look at that wee beastie. Magnificent job.

              Comment

              • DMTNT
                Commander
                • Jun 2018
                • 297

                Wow.

                I'd love to know what your choice of gray primer is.
                Dead men tell no tales...

                Comment

                • He Who Shall Not Be Named
                  Moderator
                  • Aug 2008
                  • 12255

                  Originally posted by DMTNT
                  Wow.

                  I'd love to know what your choice of gray primer is.
                  I use industrial grade fillers, putties and paints.



                  The DuPont automotive primers and paints are my favorites. Economical, chemically stable, tough, and well supported throughout the country. Nason gray primer is the one of choice today, as the old S31S just got too costly.





                  My favorite application tool is the old, nasty Paasche H-model, single-action spray gun. I'll occasionally use a big touch-up gun for the bigger work, and only rare occasions I'll make use of a double-action spray-brush.







                  David
                  Who is John Galt?

                  Comment

                  • He Who Shall Not Be Named
                    Moderator
                    • Aug 2008
                    • 12255





















                    David
                    Who is John Galt?

                    Comment

                    • He Who Shall Not Be Named
                      Moderator
                      • Aug 2008
                      • 12255



















                      David
                      Who is John Galt?

                      Comment

                      • He Who Shall Not Be Named
                        Moderator
                        • Aug 2008
                        • 12255





















                        David
                        Who is John Galt?

                        Comment

                        • trout
                          Admiral
                          • Jul 2011
                          • 3545

                          What a boatload of information in these photos......Thank you.
                          If you can cut, drill, saw, hit things and swear a lot, you're well on the way to building a working model sub.

                          Comment

                          • He Who Shall Not Be Named
                            Moderator
                            • Aug 2008
                            • 12255













                            David
                            Who is John Galt?

                            Comment

                            • reddevil
                              Commander
                              • Jun 2009
                              • 346

                              What a lesson of how to do things and arrange everything properly. Will remember and apply myself.

                              Comment

                              • He Who Shall Not Be Named
                                Moderator
                                • Aug 2008
                                • 12255















                                David
                                Who is John Galt?

                                Comment

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