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  • #2966
    mudfud
    Participant

    Anyone built one?

    i know that structurally I will need to reinforce, especially under the galley, but I am more concerned with waterproofing.

    Don’t want to just install a marine hatch. Would like to keep the wood look.

    Thx

    chewy in Berkeley CA

    • This topic was modified 9 months, 2 weeks ago by mudfud. Reason: Misspelled hatch
    #2970
    Johannes
    Participant

    Have not built one into my camper, but designed some for ocean going ships. You need some gasket between your hatch cover and the coaming, I assume that’s clear. Then you need to apply sufficient pressure evenly across the whole gasket area to prevent water ingress. On the CLC kayaks, they use small toggles, but I doubt they will be able to sustain highway speed and vibration.  Depending on the purpose of the hatch, I believe the design can become quite complex. How do you want to use it? Escape hatch? Additional ventilation? To be opened from the inside, outside, or both? So many questions 😉

    #2971
    mudfud
    Participant

    Just for loading stuff easily from the outside. Sleeping bags, duffle, and to make it easier to clean out.

    I was thinking of cutting a square opening then building a rim and using some kind of weather stripping on the door that compress with locking latches, hinged at the bottom?

    #2972
    Johannes
    Participant

    Sounds good! I would fit a rim to the hatch cover in order to reinforce it, and to have a ‘pressure edge’ (non-english writer here, so I’m not sure about the exact term) that creates some interlocking with the seal. I doubt that an all-flat cover would be waterproof for long.

    #2973
    mudfud
    Participant

    Yes. I thought a reinforcing rim, to stiffen the piece, would be needed

    i will post pix if I get the nerve to do this.

    thanks!

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