Conversion from trailer-sailer to low power motor boat

Discussion in 'Boat Design' started by Dr. Peter, Apr 27, 2010.

  1. fish53
    Joined: Apr 2018
    Posts: 21
    Likes: 1, Points: 3
    Location: 04574

    fish53 Junior Member

    Yes, much simpler than the average outboard, much cheaper and parts to even whole engines are available just about everywhere. I can buy a Honda clone of my engine at Home Depot for less than $200.00.
     
  2. G4s1198
    Joined: Feb 2020
    Posts: 5
    Likes: 0, Points: 1
    Location: Nj

    G4s1198 Junior Member

    How did you engineer the exhaust on your boat? I’m guessing the Honda engine is set up like mine with a short little exhaust tube. On my last boat I built I used some gas pipe and jb welded it. It work well enough in an open boat but I’d like to make something a little more reliable to deal with the fumes
     
  3. fish53
    Joined: Apr 2018
    Posts: 21
    Likes: 1, Points: 3
    Location: 04574

    fish53 Junior Member

    Go cart sites sell a lot of stuff that fits these engines, I bought an exhaust flange and had a muffler and tubing with a support bracket welded on it by a local muffler shop. It just goes straight up with an angle bend at the top, puts the noise and fumes over my head. I just picked up a 16hp Lifan with an 18 amp charge coil that I'm thinking of using at a lower rpm for less noise and to power electronics and lights.
     

  4. fredrosse
    Joined: Jan 2005
    Posts: 331
    Likes: 20, Points: 28, Legacy Rep: 56
    Location: Philadelphia PA

    fredrosse USACE Steam

    G4s1198, paddle propulsion is certainly capable of less draft than any outboard, or for that matter any inboard propeller drive. Weed fouling is non-existent with my sidewheeler, and exploring areas where prop driven boats dare not go is one clear advantage. The steamboat crowd that I run around with is often in trouble with weed fouling of props. If you would like I can PM the rules for paddlewheel design.
     
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