Glass boat mold

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  • Ocean Racer
    Senior Member
    • Sep 2007
    • 502

    #1

    Glass boat mold

    I would like to build a boat heres my Q. What would be a good material for a mold to lay the glass on and do i need to cover the mold with anything to keep the glass from sticking to the mold?
    Failure is the First step to SUCCESS
  • rlesinszki
    Junior Member
    • Apr 2007
    • 20

    #2
    Ocean Racer,
    This is not a complete answer as this is much more involved than a simple answer can provide, but here is what I've done...

    My mold's are made of fiberglass, epoxy and fillers. The plug and the mold's are all waxed with multiple layers of mold release wax.

    Regards,

    Rick

    Originally posted by Ocean Racer
    I would like to build a boat heres my Q. What would be a good material for a mold to lay the glass on and do i need to cover the mold with anything to keep the glass from sticking to the mold?

    Comment

    • SJFE
      Fast Electric Addict!
      • Apr 2007
      • 4735

      #3
      I have looked into this. I went to a shop where Jeresy Skiffs & race garvies are made. It was a craft that had been handed down for a few generations. I am not saying be any means you can't learn it but it's not easy on your own. Be sure and do alot of research.
      Tom

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      • Ocean Racer
        Senior Member
        • Sep 2007
        • 502

        #4
        rlesinszki maybe could u post some picks so i can get a better idea of how to do it
        Failure is the First step to SUCCESS

        Comment

        • rlesinszki
          Junior Member
          • Apr 2007
          • 20

          #5
          I don't have that many pictures to provide of the whole process, but here is a site that describes the process ----> http://www.cstsales.com/fiberglass_parts.html

          There are a few pictures here and there on my website mostly under the Submarine link ---> www.rickosplace.com

          Rick


          Originally posted by Ocean Racer
          rlesinszki maybe could u post some picks so i can get a better idea of how to do it

          Comment

          • ED66677
            Fast Electric Addict!
            • Apr 2007
            • 1300

            #6
            here's the thing, if you've never done it, forget it :)
            molding the proper way is a difficult job, I would recommand shapping instead, like surfer or funborder make their board, it's easier, does not require any skill (or much less)
            use a block (may more, one for the hull one for the deck, for the hatch) of polystyren, shape them as you like, cover these blocks with celophan (don't know if celophan is the proper world it's a very thin film used to cover food than can be extended...), apply then you resin and fiber (glass, carbon...) in appropriate layer (from the thicker to the thinner), once everything has hardened, paper sand it and finish it with filler if needed!
            this is going to be heavier for sure, but a lot easier than proper molding!
            if it all works fine, you can then think about make a mold of it... next step!
            Emmanuel
            I'm french but I doubt I really am!
            http://pagesperso-orange.fr/pleindetrucs/

            Comment

            • Ocean Racer
              Senior Member
              • Sep 2007
              • 502

              #7
              That was my original plan but i was going to use a foam block like get in a box with ur tv or boat but i couldnt find a big enof block to use.
              Do u know were/how i can get a block of polstyren?
              Last edited by Ocean Racer; 10-03-2007, 10:00 PM.
              Failure is the First step to SUCCESS

              Comment

              • Rex R
                Senior Member
                • Apr 2007
                • 992

                #8
                I got a sheet of 2" thick 'styrofoam'(tm) from the local lumber yard, as I recall it cost just under $20
                Still waiting for my boat to come in.it came in

                Comment

                • ED66677
                  Fast Electric Addict!
                  • Apr 2007
                  • 1300

                  #9
                  styrofoam is even better because it is extruded and not expanded foam, it has higher density, but it is more difficult to work because it is extremely abrasive!
                  both materials are common use in France (hey hey that's where I leave) for house insulation
                  another negative point with polystyren is that, once you have shaped it, you have to wait at least one week and look at it, because of ambient humidity, some of the little expanded styren balls tend to expand again once in contact with moisture, so you will need to paper sand again
                  Emmanuel
                  I'm french but I doubt I really am!
                  http://pagesperso-orange.fr/pleindetrucs/

                  Comment

                  • Stealth Assassin
                    Senior Member
                    • Apr 2007
                    • 610

                    #10
                    Originally posted by rlesinszki
                    Ocean Racer,
                    This is not a complete answer as this is much more involved than a simple answer can provide, but here is what I've done...

                    My mold's are made of fiberglass, epoxy and fillers. The plug and the mold's are all waxed with multiple layers of mold release wax.

                    Regards,

                    Rick
                    Do you not use tooling gel?

                    Comment

                    • rlesinszki
                      Junior Member
                      • Apr 2007
                      • 20

                      #11
                      No - I have been doing custom painting and therefore do not need a glassy finished part - I use a skin coat of epoxy and fillers - then prime and paint!

                      Rick

                      Originally posted by Stealth Assassin
                      Do you not use tooling gel?

                      Comment

                      • Stealth Assassin
                        Senior Member
                        • Apr 2007
                        • 610

                        #12
                        Originally posted by rlesinszki
                        No - I have been doing custom painting and therefore do not need a glassy finished part - I use a skin coat of epoxy and fillers - then prime and paint!

                        Rick

                        Do you have any pics of your paint work? I would like to see It. Where are you located?

                        Thanks,
                        Derrick

                        Comment

                        • rlesinszki
                          Junior Member
                          • Apr 2007
                          • 20

                          #13
                          Derrick,
                          I am in the Atlanta, GA area and run with Doug and Casey @ the Atlanta Model Boat club. My family has recently painted my sons boat (Tylor) and also a 6ft model of a Bell 230. I have all kinds of pictures of R/C Helicopters, Boats and Submarines that we've painted on my web site at www.rickosplace.com. (Tylors boat is on the main page under Kids Boats)

                          Regards,

                          Rick (aka Ricko)

                          Originally posted by Stealth Assassin
                          Do you have any pics of your paint work? I would like to see It. Where are you located?

                          Thanks,
                          Derrick
                          Last edited by rlesinszki; 10-08-2007, 06:21 PM.

                          Comment

                          • Diegoboy
                            Administrator
                            • Mar 2007
                            • 7244

                            #14
                            I think it needs to be www.rickosplace.com
                            "A quick temper will make a fool of you soon enough."
                            . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Bruce Lee. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

                            Comment

                            • Ocean Racer
                              Senior Member
                              • Sep 2007
                              • 502

                              #15
                              Im not sure if i can make a really good mold and was wondering if anyone knows of a place that can make me a mold. Ive heard about a laser company that u send them ur design's and they send u a kit of ur design in wood. But they quite making them does anyone know of a place like that? If not ill try to make a mold out of some balsa and coat it with some epoxy and releasing wax like "rlesinszki" does with his fom molds.
                              Failure is the First step to SUCCESS

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