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Fuel tank install with water under to bilge

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  • #16
    Originally posted by Bondo View Post

    Ayuh,..... I disagree, as in my experiences, Any sealed compartment in a boat, is a water-trap,.......

    My thought is, Any, 'n Every compartment should be self-draining to the bilge,......
    Plus 1! I agree with Mr Bondo.

    Comment


    • #17
      Originally posted by kcassells View Post
      All compartments self draining to the bilge hmmmm I like that idea too!

      If only there was a way to do that with 2 part foam...hmmmmm.
      Ayuh,...... If you put limber holes in all the stringers, 'n bulkheads, the water will weep to the bilge, under the foam,......



      Not that I'd put foam in a boat,....
      'cause closed cell or not, over time, it All holds water,..... Especially if the hull isn't self-drainin',.....

      Comment


      • #18
        Takes along time to rot the foam to make the water pass. By that time the wood/glass is compromised. JMHO.
        Most of, no nearly all results of that scenario you suggest typically fail with water being trapped by foam.
        The foam adheres to the glass/wood. Closed cell, water eventually corrupts it to open cell. Total failure. Rot from bottom up.
        Most times I'm wrong, Most times I stand corrected..But...Sometimes I'm right.
        1983 SportCraft Deep V OSFF 222 Cuddy Rehab
        https://forums.iboats.com/forum/boat-...ddy-walkaround
        https://forums.iboats.com/forum/engin...-new-fuel-pump
        www.flotationfoamsolutions.com

        Comment


        • #19
          Water takes the path of least resistance... above does not demonstrate that.
          Most times I'm wrong, Most times I stand corrected..But...Sometimes I'm right.
          1983 SportCraft Deep V OSFF 222 Cuddy Rehab
          https://forums.iboats.com/forum/boat-...ddy-walkaround
          https://forums.iboats.com/forum/engin...-new-fuel-pump
          www.flotationfoamsolutions.com

          Comment


          • #20
            Ayuh,...... Not arguin' yer points,..... My point is, without limber holes to drain any water, the hulls gonna rot anyways,.....

            You could put down a sheet of poly to stop the foam from stickin' to the bottom,.....
            The water will then weep to the limber holes, 'n then drain,.....

            In a sealed cavity, the water just gathers, when it freezes, the foam gets destroyed, turned into a sponge,....

            Comment


            • #21
              Originally posted by kcassells View Post
              All compartments self draining to the bilge hmmmm I like that idea too!
              No thanks...I prefer a dry bilge.

              Can’t see purposely making a boat vulnerable to pump failures and dead batteries. All drains should be routed directly overboard
              ....

              Comment


              • #22
                And these are the conversations that make me put heaters in the boat on dewy mornings. Sit with it in snow. It never had a wet foot in it yet. I did spill a half cup of coffee that was immediately cleaned up. I am a believer. It can't get wet inside for any reason.

                I will need therapy for 30 years if I get caught in a cloudburst on the river.
                Dance with the waves,
                move with the sea.
                Let the rhythm of the water
                set your soul free.

                1987 Four Winns 170 Horizon.

                Comment


                • #23
                  Originally posted by Bondo View Post
                  Ayuh,...... Not arguin' yer points,..... My point is, without limber holes to drain any water, the hulls gonna rot anyways,.....

                  You could put down a sheet of poly to stop the foam from stickin' to the bottom,.....
                  The water will then weep to the limber holes, 'n then drain,.....

                  In a sealed cavity, the water just gathers, when it freezes, the foam gets destroyed, turned into a sponge,....
                  Like your thinkin Bondo.
                  Most times I'm wrong, Most times I stand corrected..But...Sometimes I'm right.
                  1983 SportCraft Deep V OSFF 222 Cuddy Rehab
                  https://forums.iboats.com/forum/boat-...ddy-walkaround
                  https://forums.iboats.com/forum/engin...-new-fuel-pump
                  www.flotationfoamsolutions.com

                  Comment


                  • #24
                    Originally posted by dingbat View Post
                    No thanks...I prefer a dry bilge.

                    Can’t see purposely making a boat vulnerable to pump failures and dead batteries. All drains should be routed directly overboard
                    That would be great to be able to do Big D.
                    My stringers are at some points 24" high/below the floor. Hence below deck and below water line. Typically guys use redundant pumps in a large bilge.
                    Most times I'm wrong, Most times I stand corrected..But...Sometimes I'm right.
                    1983 SportCraft Deep V OSFF 222 Cuddy Rehab
                    https://forums.iboats.com/forum/boat-...ddy-walkaround
                    https://forums.iboats.com/forum/engin...-new-fuel-pump
                    www.flotationfoamsolutions.com

                    Comment


                    • #25
                      Originally posted by kcassells View Post

                      That would be great to be able to do Big D.
                      My stringers are at some points 24" high/below the floor. Hence below deck and below water line. Typically guys use redundant pumps in a large bilge.
                      my decks are above the waterline. I have fore and aft bilge pumps.

                      Been there many times, but it’s stiil rather unnerving standing on the deck waiting for ankle deep water to drain
                      ....

                      Comment


                      • #26
                        Misunderstood. My deck is above the water line. Their are deck drains to exit off boat floor. They are flush/couple inches above deck as you go to stern.
                        Most times I'm wrong, Most times I stand corrected..But...Sometimes I'm right.
                        1983 SportCraft Deep V OSFF 222 Cuddy Rehab
                        https://forums.iboats.com/forum/boat-...ddy-walkaround
                        https://forums.iboats.com/forum/engin...-new-fuel-pump
                        www.flotationfoamsolutions.com

                        Comment


                        • #27
                          Probably near the end of responses at this point. But does anybody have a correct interpretation of how to install a fuel
                          tank under deck by Coast Guard standards. Don't care what some mfg's do or how the rehabber did it based on what they found.
                          I'm not making any cares on how anyone did it or does it. Just a right clarification.
                          Any mods have an answer?
                          This seems to be such a loose topic in regards to what is allowed by CG. CG references mfg's regs not rehabs so the saying is "you can do what you want, it's your boat".
                          Insurance won't recognize that only CG regs. Not wanting to beat a dead horse.....
                          Most times I'm wrong, Most times I stand corrected..But...Sometimes I'm right.
                          1983 SportCraft Deep V OSFF 222 Cuddy Rehab
                          https://forums.iboats.com/forum/boat-...ddy-walkaround
                          https://forums.iboats.com/forum/engin...-new-fuel-pump
                          www.flotationfoamsolutions.com

                          Comment


                          • #28
                            Originally posted by kcassells View Post
                            This seems to be such a loose topic in regards to what is allowed by CG. CG references mfg's regs not rehabs so the saying is "you can do what you want, it's your boat".
                            Insurance won't recognize that only CG regs. Not wanting to beat a dead horse.....
                            It's a loose topic because the coast guard only mandates the construction, testing and venting of the tank.

                            They are also very specific on the types of hose and hose connections to used but only make generalized recommendations as to how the tank should be mounted.

                            http://www.uscgboating.org/assets/1/...YC.1002.01.pdf
                            ....

                            Comment


                            • #29
                              ok , Here is one in favor of coffin, a poly tank in a cabin boat. poly tanks emit gas odor so if it was in a air tight coffin that would force it to only stay in that area , however i would still want a drain hole in rear of it to allow for notification that there was a liquid leak and water would have to have a way to travel under it like a half pipe or something . but yeah permeation of fumes sucks .
                              project:https://forums.iboats.com/forum/boat-...r-2159-hardtop
                              Previous project https://forums.iboats.com/forum/boat...rint-bass-boat
                              Previous previous project/conversion https://forums.iboats.com/forum/boat...rsion-splashed

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                              • #30
                                Sign up today
                                Hey Micky,
                                Thanks for the call and conversation. Looking forward to you getting wet. hmmmm The boat I mean.
                                Last edited by kcassells; February 13th, 2019, 06:35 AM.
                                Most times I'm wrong, Most times I stand corrected..But...Sometimes I'm right.
                                1983 SportCraft Deep V OSFF 222 Cuddy Rehab
                                https://forums.iboats.com/forum/boat-...ddy-walkaround
                                https://forums.iboats.com/forum/engin...-new-fuel-pump
                                www.flotationfoamsolutions.com

                                Comment

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