Aluminum Mud boat hull (For surface drive outboards)

Discussion in 'Boat Design' started by Matt Jord, Dec 10, 2019.

  1. DogCavalry
    Joined: Sep 2019
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    Location: Vancouver bc

    DogCavalry Senior Member

    Thank you, by the way, for the names mud buddy and gator tail. Never heard of them. I reckon those folk are my relatives. My family are all Acadians still in Acadia. But Louisiana is full of family I’ve never met.
     
  2. bajansailor
    Joined: Oct 2007
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    Location: Barbados

    bajansailor Marine Surveyor

  3. Barry
    Joined: Mar 2002
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    Barry Senior Member

    Not surprising your Acadian and Louisiana relative link as French Canadian Acadians fled to Louisiana and the pronunciation
    of Acadians turned into Cajuns
     
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  4. DogCavalry
    Joined: Sep 2019
    Posts: 237
    Likes: 85, Points: 28
    Location: Vancouver bc

    DogCavalry Senior Member

    To do the adaptation, get a copy of Saint Dave Gerr's Elements of Boat Strength. It will spell out exactly the scantlings.

    Although if one of the resident Naval Architects wants to help, I'd certainly engage with them. You won't get a better offer. Decades of education and experience on offer, just because they love boats.

    All that to say: you can sure as hell convert the TX-18 to aluminum, and keep the panel shapes, knowing they will work.

    If you're looking for something bigger, and more offshore, we can talk about my design.
     
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  5. Barry
    Joined: Mar 2002
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    Barry Senior Member

    If you are interested in running with the type of propulsion that you referred to, I would stick with a a nearly flat bottom hull
    10 degree will give you some directional control but once you get down to the 4-5 range the keel depth does not provide for good steering
    So the alternative is to incorporate outside steering “strakes” to provide steerability without drift. We have built down to 4 degrees for outboard jets using the dead rise to give us green water into the intake
    As wide flat panels need quite a bit of internal stringers for stiffening, you can install say 1 1/2 sq tubing on the bottom of the hull opposite the stringers and end up with a rigid hull
     
    Last edited: Dec 27, 2019
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