Plywood Tunnel Hull Skiff

Discussion in 'Boat Design' started by Tim Phipps, Feb 5, 2022.

  1. Tim Phipps
    Joined: Feb 2022
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    Location: Florida

    Tim Phipps Junior Member

    Hello, I am new to the forum
    I am hoping to find plans for an amateur build of what is called a Bird Dog Boat on the Florida Gulf coast. I have been googleing like crazy with no luck. I am looking for a design for a large trailerable shallow water skiff with an outboard motor in the forward section of its tunnel. These boats are mostly used by commercial mullet, crab and oyster fishermen in our area. They are all built in the back yard of the fisherman in the off season. Design is by eye and memory. I want a summer project for me and my son who will be home from college. Ease of build is important. Maybe I should drive around and find one in someone's yard and take measurements, but those guys may shoot first and ask questions later. Does anyone here have a design of this type?
     
  2. Tim Phipps
    Joined: Feb 2022
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    Location: Florida

    Tim Phipps Junior Member

    Just for giggles I will add that, being a first timer, I have been sitting here for 11 minutes thinking the answer to all my questions will just pop up instantly:)
     
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  3. hoytedow
    Joined: Sep 2009
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    hoytedow Carbon Based Life Form

    Welcome to the forum.
    Check with Young Boats right on US 19 in Inglis, Florida.
    Ask about Tremblay skiffs.
    Also: Bird Dog Boats, Home http://www.birddogboats.com/

    Robert, Rick & James Coarsey, Coarsey Fiberglass, Chiefland, FL - engineered & built Bird Dog Boats
     
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  4. fallguy
    Joined: Dec 2016
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    fallguy Senior Member

    Interesting design. How do CO fumes not enter the cockpit?
     
  5. Dean Bixler
    Joined: Mar 2021
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    Location: Houston TX

    Dean Bixler Junior Member

    Harry Sucher's "Simplified Boatbuilding - The Flat-Bottom Boat" has a few; both displacement and planing hulls if I remember correctly.
     
  6. Tim Phipps
    Joined: Feb 2022
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    Location: Florida

    Tim Phipps Junior Member

    Hi Fall Guy
    I think the outboard exhaust is under water. Most of it anyway.
     
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  7. Tim Phipps
    Joined: Feb 2022
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    Location: Florida

    Tim Phipps Junior Member

    Thanks for the leads
    Do you think any of those guys would sell plans? I want to build, not buy.
    I will call around.
     
  8. Tim Phipps
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    Location: Florida

    Tim Phipps Junior Member

    I will check it out
    Thanks
     
  9. fallguy
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    fallguy Senior Member

    Maybe they have a rubber cowling around the leg?
     
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  10. hoytedow
    Joined: Sep 2009
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    hoytedow Carbon Based Life Form

    It wouldn't hurt to ask them. State regulations on homemade boats are a lot stiffer for boats over 16' in length(inspections etc.). You might want to look at those also.
     
  11. Tim Phipps
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    Tim Phipps Junior Member

    That is something I didn’t think about. That could sink my plans☹️
     
  12. hoytedow
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    hoytedow Carbon Based Life Form

    Don't get intimidated. Just take measures to succeed. Talk to the bureaucrats and get the information you need to know before you need it.
     
  13. fallguy
    Joined: Dec 2016
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    fallguy Senior Member

    nah.... all standard safety stuff

    if they approved the boat for charter; it would surely be approved for personal use

    But, more important to me..

    I would recommend you hardwire CO detection in the boat and also add a cowling around the leg and find out what they might do for ventilation of any fumes at idle especially. Perhaps they have a clamshell on each side or even an active blower under a cowling. At idle; the boat could be dangerous if CO builds around the engine and settles inside the hull. A small child would be especially vulnerable as less CO affects them more and they would be closer to any fumes. Wind mitigates, but on any given windless day; the threat seems serious to me.

    The boat is an interesting design I had not seen before; thanks for asking about it. O especially like the drive on transom. All boats are tradeoffs.
     
  14. Dean Bixler
    Joined: Mar 2021
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    Location: Houston TX

    Dean Bixler Junior Member

    From Harry Sucher's "Simplified Boatbuilding - The Flat-Bottom Boat"; a 15'6", a 17'6", and a 19'6".

    IMG_0053.JPG IMG_0054.JPG IMG_0055.JPG
     
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  15. Tim Phipps
    Joined: Feb 2022
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    Location: Florida

    Tim Phipps Junior Member


    On the open boat, I don't think it is an issue
    But if any kind of cabin is incorporated, It could be tragic.
    Thanks for the heads up
     
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