Anyone want to help me F-up the bottom of my mako?
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Anyone want to help me F-up the bottom of my mako?

  1. #1
    SLOW MEMBER slowboy's Avatar
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    Default Anyone want to help me F-up the bottom of my mako?

    I have my boat flipped and am in the process of "leveling" the delta bottom so that I can make it a rounded keel. I have already removed the fin and filled in that void. I have also done a bunch of fiberglass work to make the delta bottom flat and true.

    Does anybody have any ideas for the rounded keel? It was recommended to go eight inches wide and about a quarter inch tall in the center.

    What would be a good filler to use, or should I just use resin and mat?

    This is an old picture, I have the intake out of the boat.



    Last edited by slowboy; 05-14-2010 at 07:23 PM.
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  3. #2
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    Quote Originally Posted by slowboy View Post
    I have my boat flipped and am in the process of "leveling" the delta bottom so that I can make it a rounded keel. I have already removed the fin and filled in that void. I have also done a bunch of fiberglass work to make the delta bottom flat and true.

    Does anybody have any ideas for the rounded keel? It was recommended to go eight inches wide and about a quarter inch tall in the center.

    What would be a good filler to use, or should I just use resin and mat?

    This is an old picture, I have the intake out of the boat.



    Your not in bad shape...... You can start your Bubble Keel
    with a 3 Mat lay up in a tapered inward lay. Then go to a mar glass which has fiber in bondo like material.... Then build it in Keep it shallow, you can always add, you don't want a lot of lift. 1(714) 394-5900

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    Senior Member DuaneHTP's Avatar
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    Anyone want to help me F-up the bottom of my mako?
    If you are serious about this coment, look up Rondane. He's an expert at it!

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    SLOW MEMBER slowboy's Avatar
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    When setting the pump intake, do I set it in reference to the bottom edges of the boat next to the cut out or to the rounded keel?

    I have the bottom of the boat completely flat now and am in the process of building the rounded keel.

    Here is what I am trying to accomplish, look at the pics lower in the thread.

    http://www.performanceboats.com//showthread.php?t=64056

    Thanks for the help, Ryan
    Last edited by slowboy; 05-15-2010 at 01:19 PM.
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  7. #5
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    Looks like my hull
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  8. #6
    "Mad" Member Jet Mad's Avatar
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    Just a ?

    What would the advantage be of going from flat keel to rounded keel?

    My Kona has a rounded keel.

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  9. #7
    Boat Nut sleekcrafter's Avatar
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    Here is what infomaniac did, note the template for the keel shape. Entry radius is also important.

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  10. #8
    SLOW MEMBER slowboy's Avatar
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    Quote Originally Posted by sleekcrafter View Post
    Here is what infomaniac did, note the template for the keel shape. Entry radius is also important.

    I made a similar tool for forming the one on my boat. I should have it finished up sometime today.
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  11. #9
    SLOW MEMBER slowboy's Avatar
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    Here are some pictures of the bottom after we removed all of the hook, added a rounded keel, and set the pump in properly.





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  12. #10
    SLOW MEMBER slowboy's Avatar
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    Here it is with the bottom in featherfill, we then blocked it out, and reprimed with high build primer. Then blocked it again and prepped it for paint. The last pictures are of it in paint, then flipped back over on the trailer so we can start on the top half. I also applied speedcoat to the bottom near the back (its hard to see) The paint is ppg and its called is it green. It is a tri-coat and changes from green to blue.









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    Senior Member Luckie Stiff's Avatar
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    Why did you remove the fin? Do you still have it?
    "Don't you realize that there are already enough people in the world to hate without you putting in so much effort to give me another?"

  14. #12
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    you got the bottom finished pretty quick, if I remember right that boat ran good with a small block, wasn't it close to 90? can't wait to see how it does with the bottom work.

  15. #13
    SLOW MEMBER slowboy's Avatar
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    Quote Originally Posted by Adam View Post
    you got the bottom finished pretty quick, if I remember right that boat ran good with a small block, wasn't it close to 90? can't wait to see how it does with the bottom work.

    I am hoping I will have to replace my 90mph gps speedo soon (a good problem to have). Boat ran real well last year, now its on E-85 .
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