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    #1

    Question on Fat Sacks

    I am ordering 3 fat sacks, one for up in the bow and two custom in the back -- I have regular and goofy riders in our family. I have three questions for those of you have ordered custom fat sacks:

    1. On my starboard (driver) side I can only go up to the cooler. I am only going up that far on my starboard side as well as the rest of the area goes down from 22" to 12". Does that little area really make a big difference?

    2. I have 22" wide at the bottom and 27" at the top. I am planning on making the inside of the bag perpendicular and the outside V out like the boat does. Has anybody done this before or is just easier to go 22" wide on the top as well?

    3. When measuring, should I be exact, error on being smaller or error on being larger?
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    #2
    Wow.....Moki not getting much help on your question...
    Put your hand on a hot stove for a minute, and it seems like an hour. Sit with a pretty girl for an hour, and it seems like a minute. THAT'S relativity. Albert Einstein

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      #3
      Surfdad has answered a few of my questions via PMs and xpJim has sent me his drawings via email. I also called FatSacs directly and they said to measure the bottom of the area and either go with the exact dimensions or 2" shorter. If there is a third area that is smaller, just continue on with the larger size.

      Thanks for thinking of me Gmoney!

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        #4
        Just lookin out....
        Put your hand on a hot stove for a minute, and it seems like an hour. Sit with a pretty girl for an hour, and it seems like a minute. THAT'S relativity. Albert Einstein

        Comment

          #5
          My surf sac extends up under the seat to the cooler. Mine is about 24 inches wide and 12 inches deep. The area under the seat before it hits the cooler is probably 5 feet or more ( I don't recall off the top of my head). So that means that I have about 1 X 2 X 5 = 10 cubic feet of water under there for ballast. Water weighs 64 pounds per cubic foot or so (I think), so we are talking 640 pounds for me. That is huge!

          I am a little surprised that they told you to go exact or a little smaller. I went slightly larger and have not had any problems (so far). When the sac has filled the compartment fully, it will dishcarge out the overflow hose. I suppose in theory, that puts pressure on the boat instead of the sack, but I sacrifice that in order to make sure I have the area as full as possible.

          One problem that I did ocasionally see is that the weight in the storage compartment will shift and lean on the engine divider and cause it to bulge if I do not watch to be sure the sack was flat when I started filling. I too wondered if building the sack sort of an irregular shape angling it out would force it to 'lean' to the outside. What did Surfdad have to say? I do know that he reinforced the storage compartment of his boat, and his sack fills all the way to the top, mine is only about 24 inches deep.
          Be excellent to one another.

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            #6
            Originally posted by talltigeguy View Post
            My surf sac extends up under the seat to the cooler. Mine is about 24 inches wide and 12 inches deep. The area under the seat before it hits the cooler is probably 5 feet or more ( I don't recall off the top of my head). So that means that I have about 1 X 2 X 5 = 10 cubic feet of water under there for ballast. Water weighs 64 pounds per cubic foot or so (I think), so we are talking 640 pounds for me. That is huge!

            I am a little surprised that they told you to go exact or a little smaller. I went slightly larger and have not had any problems (so far). When the sac has filled the compartment fully, it will dishcarge out the overflow hose. I suppose in theory, that puts pressure on the boat instead of the sack, but I sacrifice that in order to make sure I have the area as full as possible.

            One problem that I did ocasionally see is that the weight in the storage compartment will shift and lean on the engine divider and cause it to bulge if I do not watch to be sure the sack was flat when I started filling. I too wondered if building the sack sort of an irregular shape angling it out would force it to 'lean' to the outside. What did Surfdad have to say? I do know that he reinforced the storage compartment of his boat, and his sack fills all the way to the top, mine is only about 24 inches deep.
            SurfDad's is like yours. He measured it at the widest point and lets the bag fill up the whole compartment. I think that I am going to go with the exact size, but I can see the advantage of going 2 inches smaller may put less pressure on the engine divider.

            Comment

              #7
              Originally posted by talltigeguy View Post
              Water weighs 64 pounds per cubic foot or so (I think)
              Fresh water is 62.4 lbs per cubic foot Salt water is 64lbs per cubic foot.
              Reality is only an illusion that occurs due to a lack of alcohol.

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