Pad Hull?

Discussion in 'Metal Boat Building' started by jwells11, Apr 11, 2020.

  1. jwells11
    Joined: Apr 2020
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    jwells11 Junior Member

    Currently working on a duck boat. However after that and before the catamaran I want to build a pad hull bay boat.

    Can the chines be created using a press brake?

    *Even if the the chines do not go all the way forward that is ok if performance will be maintained for most part

    School me on aluminum chines using a press brake


    First photo is similar design I want to achieve.

    Second photo is the pad hull design which is what the first boat looks similar too(lake and bay)
     

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  2. jwells11
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    jwells11 Junior Member

    2
     

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  3. Mr Efficiency
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    Mr Efficiency Senior Member

    I take it those pictures are of a glass boat. You could use an extrusion welded to the topsides to get the same effect, but if you want to imitate the glass look, not so easy.
     
  4. jwells11
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    jwells11 Junior Member

    I imagine it gets weird towards the bend in the front.

    But couldn’t you run the chines till the end of the pad?
     
  5. kapnD
    Joined: Jan 2003
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    kapnD Senior Member

    What are you trying to achieve here?
    You’ve got a vee hull speedboat with a pad, then a cutaway.
    Placing the motor on a bracket would leave the hull intact, retaining the full value of the pad.
    If you are looking for fast and shallow, look for a flatter hull, possibly with a tunnel.
     
  6. jwells11
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    jwells11 Junior Member


    Most of these bulls are run with brackets as well and I don’t think the pocket is a problem structurally or difficult to fit.

    Tunnel isn’t that great in rough water but the delta pad is pretty good in rough water and you can get up on the pad for speed.
     
  7. jwells11
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    jwells11 Junior Member

    got any reading material on break chine or really nice extrusions?

    just can’t find any material on it

    A couple of boat makers like Excel, havoc, and express have them in their lineups
     

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  8. jwells11
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    jwells11 Junior Member

    I figure if I end the breaks before the hard bow curves I can maintain the performance and achieve a deep v.
     
  9. jwells11
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    jwells11 Junior Member

    Or maybe no lifting strikes? I can easy do the chines and the pad but what difficult is the lifting strakes
     

  10. Mr Efficiency
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    Mr Efficiency Senior Member

    Some L-shaped extrusions might be adaptable to strakes, depending on the hull shape. Same with the chine flat. A softer, untempered alloy, but still suited marine use, would be easier to wrangle. That is if it will still weld to a different alloy OK.
     
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