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3780 Swimstep Drawings-gctid349282

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    3780 Swimstep Drawings-gctid349282

    Is there any chance anyone can help me with either a cad drawing of the swimstep for the 3780, or a dxf file? Someone, somewhere...?

    #2
    Are you building a new one, or rebuilding an existing one?

    They are easy to re-build; if building a new one a suggestion, build it slightly wider, the factory one needs it, especially at the transom door.
    Pat says: DO-IT-RIGHT THE FIRST TIME!

    Bayliner 3870 "ALASKA33)
    Twin 350 GM power
    Located in Seward, AK
    Retired marine surveyor

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      #3
      I am building a new one, but will be changing the dimensions slightly and lifting it up-even with the transom door.

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        #4
        Stay below the transom door about 2", you do not want the backwash pushed under the door.

        Use your old swim step as a pattern for the transom curve.

        I used SS rail fittings for new brackets, do not remember the angle, and SS heavy wall tubing, place a SS washer in the fitting for the tube the seat against, or cut to fit use the set screws and then have it welded, do not forget to re-enforce the platform where the brackets bolt on. I used plywood and fiberglass on my re-built platform, a weight savings if you use heavy density ridged foam, 2 layers with fiberglass in-between. Use iso type resin and gelcoat.
        Pat says: DO-IT-RIGHT THE FIRST TIME!

        Bayliner 3870 "ALASKA33)
        Twin 350 GM power
        Located in Seward, AK
        Retired marine surveyor

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