Finishing Resin or 30 min epoxy??

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  • GIESDOG
    Junior Member
    • Jan 2010
    • 28

    #1

    Finishing Resin or 30 min epoxy??

    Tore apart a brand new SV27 to lay CF in the hull, just not sure what to use to lay it with I have read that the finishing resin is good for laying fiberglass and CF and sealing the wood, but also read the same for the 30 min epoxy both made by Zap. I have some pics of the hull and I'm trying to document everything and will try to post it here. This is my first boat just trying to make it rock solid. Apparently the guy who put it together did not have the same goal. The wooden parts in the hull were cracked so I gutted it minus the transom. Any help?
  • Ub Hauled
    Fast Electric Addict!
    • Aug 2007
    • 3031

    #2
    use 30mins...
    finishing resin does not have the tensile strength that the 30 mins does...
    if you can use the West System resin, they are great.
    :::::::::::::::. It's NEVER fast enough! .:::::::::::::::

    Comment

    • tharmer
      Senior Member
      • Mar 2009
      • 342

      #3
      System3 epoxies are really good as well. Designed for boating uses. Their 5 min epoxy is so good I threw away all my Hobby Store epoxies.
      -t

      Comment

      • Chuck E Cheese
        Fast Electric Addict!
        • May 2008
        • 1684

        #4
        use resin. regardless of what they say about the stregnth of 30 minute epoxy, my real boat is made with epoxy resin, not 30 minute epoxy so i would say resin is probablly stronger. i use multi purpose epoxy resin, fiberglass hawaii or west systems.
        see my fleet : http://forums.offshoreelectrics.com/...hp?albumid=294

        Comment

        • LuckyDuc
          Team Ducati Racing
          • Dec 2008
          • 989

          #5
          Any laminating epoxy resin will do for your intended purpose. I wouldn't want to work with anything less than an hour pot time though.

          Z-poxy finishing resin will work fine for what you are doing, and it spreads thin with plenty of pot time. West systems is also very good.

          Comment

          • peells
            Senior Member
            • Jan 2008
            • 716

            #6
            I used lots of the z-poxy and even made a vedio of me spreadding it on my blog http://brcboatsbypetere.blogspot.com
            it is plenty strong enough, I have also used the other brands mentioned above they are real nice, any thing mentioned here will work great but I would not use the 30 min kind because you maneed more working time than it will give you.
            Peter Eells; Fun, and Helping others To Have Fun!!!
            http://rcboatsbypetere.blogspot.com/
            [email protected]

            Comment

            • MLJones8
              Member
              • Apr 2010
              • 50

              #7
              Originally posted by peells
              I used lots of the z-poxy and even made a vedio of me spreadding it on my blog http://brcboatsbypetere.blogspot.com
              it is plenty strong enough, I have also used the other brands mentioned above they are real nice, any thing mentioned here will work great but I would not use the 30 min kind because you maneed more working time than it will give you.
              Can you repost the video? The link is bad.
              - I'm new, and promise to pay forward all help received

              Comment

              • bmaxx
                Junior Member
                • Oct 2009
                • 27

                #8
                Nice!

                I am in the middle of the same situation. Looking forward to reading more info here So you just lay in the cf and brush on the z poxy??
                Thanks

                Comment

                • ace028
                  Senior Member
                  • Aug 2007
                  • 952

                  #9
                  Radio Control Model Boat Plans, Building Instructions of Raido Control Model Boats, Fast Electric Model Boats and Model Boat Plans For Sale
                  Twin power =

                  Comment

                  • MLJones8
                    Member
                    • Apr 2010
                    • 50

                    #10
                    Originally posted by ace028
                    Thancks ace, and thanks Pete for sharing the videos!
                    - I'm new, and promise to pay forward all help received

                    Comment

                    • peells
                      Senior Member
                      • Jan 2008
                      • 716

                      #11
                      You are very welcome and I agree that all the epoxies stated all work fine
                      Peter Eells; Fun, and Helping others To Have Fun!!!
                      http://rcboatsbypetere.blogspot.com/
                      [email protected]

                      Comment

                      • j.m.
                        Senior Member
                        • Jul 2008
                        • 838

                        #12
                        Epoxy on the hull first, then fabric, then more epoxy until the fabric is wetted out.

                        If you have too much resin, blot it up with paper towels. It won't add strength, only weight.

                        Don't forget to rough up the hull with sandpaper first and remove ALL dust. Blow it out with compressed air and use a tack cloth, then clean with denatured alcohol to remove finger oils.

                        WEAR NITRILE GLOVES WHEN WORKING WITH LAMINATING RESIN!! It's poisonous, you don't want it on your skin.



                        And one final question; why does the SV27 need the carbon?

                        Jon

                        Comment

                        • MLJones8
                          Member
                          • Apr 2010
                          • 50

                          #13
                          Originally posted by j.m.


                          And one final question; why does the SV27 need the carbon?

                          Jon
                          I'm not sure why the OP was interested, but as a new SV owner I've been told that becuase the SV is created from a 2 piece mold that some have ended up with a crack between the two pieces (from high speed flips and smashing the water). Thus the experienced gurus advise to strengthen the boat.

                          It is also suggested to waterproof the wood w/ a thin layer z-poxy.
                          - I'm new, and promise to pay forward all help received

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