Design thoughts?

Discussion in 'Multihulls' started by Stumble, Oct 19, 2021.

  1. Stumble
    Joined: Oct 2008
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    Location: New Orleans

    Stumble Senior Member

    I am at about $11,000 in parts give or take, so I had the budget for some small toys....

    - The anchor winch is just a person favorite, particularly if you are dropping anchor a lot. Not so much for being lazy, but so you don't end the day covered in mud. the bottoms here are nasty.
    - The material costs on the top are about $1,600 (its a soft top not hard btw, just a pipe frame and sunbrella). Making it smaller once you have the frame saves some, but not very much I think it was about $200. Most of the cost is in the uprights, and there just isn't a good way to avoid that bill without removing it entirely.
    - The door is planned to be sheathed plywood, I have the cut line planned such that the doors are scrap from the frames... Basically it adds a little glass and hinges, but not much in parts. Labor however...
    - Ya I have a bag of required goodies personally with absolute CG minimums. I plan to duplicate that for the boat.

    Thanks for the thoughts.
     
  2. Stumble
    Joined: Oct 2008
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    Location: New Orleans

    Stumble Senior Member

    An autopilot is much more expensive than a trolling motor and far less effective since they typically can't control the throttle as well. I would love to include one, but it comes down to budget. The ones I know of run about $1,500, substantially more than a top of the line trolling motor but with less required functionality. But if there is a cheap way to make it work I would love to hear it.

    As I mentioned this design has a hull draft of slightly less than 6" and a skeg draft of 11.75. Any larger motor and you necessarily have a deeper draft. With the exception of some of the jet drives.

    For a push boat yes a flat box will always be shallower than a catamaran, but if you constrain yourself to the draft of the skegs catamarans do very well in the marsh.
     
  3. gonzo
    Joined: Aug 2002
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    Location: Milwaukee, WI

    gonzo Senior Member

    Have you considered a surface piercing propeller? That would allow a shallower draft. They are not very good on reverse though.
     
  4. Stumble
    Joined: Oct 2008
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    Location: New Orleans

    Stumble Senior Member

    I don't have anywhere to put an inboard, and for an outboard you run into intake problems. I guess you could go with an air cooled long tail mud motor... but it wouldn't work for this application. For a really shallow water flats boat its an option, but not one most people want to live with.
     
  5. rberrey
    Joined: Oct 2010
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    Location: AL gulf coast

    rberrey Senior Member

    We deal with about the same mud in the Mobile delta as you do , but ours doesn't smell as bad . I take it you are not looking for a flats boat which I think is the assumption , but a boat that can take some chop near shore and deep bayou,s , and run shallow,s . you might add a couple of rings and poles to anchor in the shallow's , cheep add on .
     

  6. rob denney
    Joined: Feb 2005
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    Location: Australia

    rob denney Senior Member

    Greg,
    Off topic, but did anything happen with the kit ply fishing boats you were sending to Haiti?
    Rob
     
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