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    TAPS/wakeshape mystery

    I have a strange problem. I have a 1999 2100i which is direct inboard and primarily a Tige ski boat.

    Some time ago, we started adding fatsacks (1 500 lb) and everthing seemed to be fine. Then some wierd things started happening with the wake. The first time I kind of wrote it off with a number of scenarios (water depth, potential mud in area, etc..).

    What happened, was the wake completely went away as if the Taps went down, but the boat rooster tailed really bad. I don't remember what happened with the speed of the boat, but I think it was at the same rpm as we were riding (rpm's are more accurate are what I look at more than the speed). The taps gauge read wake position (7). This happened in one particular area and I recalled seeing it before.

    The next time was a little stranger. This time there was a possible explanation which I now question. Managing to get the handle caught in the prop, the rider pulled on the line before we cut the engine. Rope tension (Im only speculating here) pushed up on the TAPS plate (which was already at full wake position).

    Once we got going again. The wake rooster tailed and and the right side of the wake (riders perspective) no longer had a nice ram and was very uneven. Even toeside (left) was bad. We never got the wake to look good that day.

    So.... I went back and looked at the TAPS and this is what I found.

    1. At wakeboard position the TAPS looked even
    2. At slalom position, the TAPS looked uneven (one piston slightly more extended)

    This still did not explain why the wake looked funny. But I chalked it up toe bad TAPS and bought new pistons. But before putting them on I tried taking the boat out using more weight now this has happened.

    Putting another 500 lbs it appeared to have the same problem until...

    1. Last pull of the day the wake took good shape for no explanation
    2. Went out yesterday and the wake looked great
    3. Played with TAPS and have everything seems good.
    4. With all that weight, the only factor seems to be weight distribution that affects the wake.

    Now I'm at a loss. I spent $250 for new pistons which I can return. However, I still don't know if I should. My inclination is to return them and live with status quo.

    I know this is probably more confusing written down, than actually experiencing it. However, if anyone can shed some light on this I would really appreciate the help....

    TIGE M.D.??????? You out there still???

    I'm perfectly happy to clarify anything else.

    Chris

    #2
    Sorry about the bad english. Just re-read this and found it poorly written.

    Again, I will be happy to clarify anything and take a little more time to write as opposed to thinking out loud.

    Comment


      #3
      i have a 2005 switch I with 1600 pounds in it. whenevr one person even moves from one side to the other it changes the shape drastically. make sure the sacs are on each side of the direct drive. and the people are evenly out on the boat. i had to get more ballast and put it up front to fix my wake. direct drive boats just seem to be very touchy with weight
      CIH/pcrew founder
      SWP Video Mag co-owner/rider

      Comment


        #4
        I wish I could rest easy with that explanation as I definitely saw that with 1000 lbs vs. 500 lbs . However, this doesn't explain the change in the wake when weight distribution is exactly the same.

        In my post, I tried clarify that the first and second wake change noted occurred for no reason with the same weight distribution. Sorry if that got lost in the bad writing. Also, one major difference between our boats is the convex hull on yours. Mine is one of the Pre-WT Tige's where the hull was flatter. Wish I had known this when I bought the boat!

        Off the subject of TAPS a couple of questions:
        1. How is your weight distributed? Any in the bow
        2. In a turn, do you have to increase the radius and/or slow down?
        3. What's the length of the boat?
        4. What engine do you have.

        Comment


          #5
          Originally posted by cjromero77

          Off the subject of TAPS a couple of questions:
          1. How is your weight distributed? Any in the bow
          2. In a turn, do you have to increase the radius and/or slow down?
          3. What's the length of the boat?
          4. What engine do you have.
          I have a 21v w/ a 315hp Mercruiser. My boat definitely behaves better for most things except wakesurfing with a 50/50 or higher distribution in the boat. When wakesurfing, we load up as much weight as we can on the rear end of the boat on the side we're surfing on.

          Depending on how many people I have in the boat, I will load up to 1500 lbs (2 350s on either side of the V-Drive, about 650-700 lbs in wrap around bow sack and up to 150 in a movable sack).

          My boat is 21' long.
          Cursed by a fortune cookie: "Your principles mean more to you than any money or success."

          Comment


            #6
            In my '00 22i (flat bottom), we put 1000 lbs. in it for serious wake board sessions. 500 in the trunk and 500 in the walkway up front. With this weight set up I'll run the Taps between 2-3. It's been my expierience that just overloading the back of the boat and running the Taps at 8 just gives you a giant white water speed bump. Moving half the weight up front and putting some plate (Taps) to it means everthing in getting a nice long clean face with a good lip.

            So far as your confusion on the mysterious wake anomoly, was it windy at all?
            You'll get your chance, smart guy.

            Comment


              #7
              No, it wasn't windy. So far what everyone said makes sense. Definitely loading the back is not the way to go. Seems extremely touchy.

              So far, everything seems fine. It could very well have been something that had to do with weight distribution and I just didn't recognize it. I don't know.

              No complaints now.

              Comment


                #8
                the problem could have just been where your people were sitting.

                just remember that weight in the back builds size and weight up front cleans things up.

                Comment


                  #9
                  if all your weight is in back it can be washed out an curly

                  Comment


                    #10
                    Yeah, all the explanations make sense. I went out with no weight just me and a buddy. The wake looks really good. People are telling me that straight inboards can be really touchy. I even took a leveler to the wakeplate and it's good.

                    Anyways, I'm posting this boat for sale. Looking at a 2005 22V.

                    Comment


                      #11
                      Originally posted by cjromero77


                      Anyways, I'm posting this boat for sale. Looking at a 2005 22V.

                      Ha ha, Take that you DD Guys. He's moving to the V-Drive world.




                      Welcome cjromero77!


                      Ok, just trying to stir some ****!
                      "I want to know God's thoughts, the rest are just details"

                      Comment


                        #12
                        Probably killed my own sale

                        Oh well... I'm sure it'll go in the spring. It is a good boat for it's kind.

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