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Roostertail in Wake-- Crownline 242

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  • Roostertail in Wake-- Crownline 242

    I'm considering the purchase of a Crownline 242 pocket cruiser. The mission for the boat is day cruising, an occasional overnight, and some watersports. I realize the boat's forte is not watersports, but I do need to be able to pull a skier or a tube. I went out on a prospective boat today and noticed a considerable roostertail smack in the middle of the wake as the owner made a 15 minute demo cruise. I've never dealt with a boat that made such a roostertail and know nothing of the dynamics that create one.

    My question is how are roostertails formed in a wake and is there anything that can be done to mitigate them? The boat is equipped with trim tabs. Can these be adjusted to eliminate or reduce the roostertail? The outdrive is a Bravo III.

  • #2
    Re: Roostertail in Wake-- Crownline 242

    Rooster tail can be caused by many factors, generally not good for boat performance. Common problem would be stern drive kicked up too far and just shooting water in the air. Trim, whether it be tabs or prop matching can also do the same sort of thing but the rooster will look different. Watching while someone else drives and makes adjustments is likely the best way to figure out what is causing this boats problem.
    If you don't have a manual, you are making your self have less time to play.

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    • #3
      Re: Roostertail in Wake-- Crownline 242

      for towing.... trim down and the rooster tail should disappear..... take another test ride and try that out....
      Kevin

      Originally posted by Tinnie
      But, where are the reevets?
      1981 Wellcraft V-20 CC Fisherman (FREE BOAT)
      1989 Wellcraft Monte Carlo 28(Build thread here)
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      • #4
        Re: Roostertail in Wake-- Crownline 242

        i have to agree.......the boat was not trimmed right.

        he had the drive a way up to high......that would cause a porpus.....however to compensate.....he had full tabs to keep the nose flat.

        very inefficent
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        • #5
          Re: Roostertail in Wake-- Crownline 242

          I pointed out the roostertail to the owner. He did all the driving. He said, "you need a long tow rope with this boat". I couldn't believe that was his only solution, but I didn't get the opportunity to try my hand at handling the boat. I don't remember seeing such a roostertail with other similar boats. If I more seriously pursue this vessel, I'll see what I can do.

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          • #6
            Re: Roostertail in Wake-- Crownline 242

            How big of a rooster tail are we talking? Some boats have some inherrant wake attributes - especially a boat of that size. Most likely is trim related, but want to get an idea of how big a tail you were seeing.
            Jon Hunter
            Marion, NY

            2006 Procraft 200 Combo with Merc 200 Opti
            2007 Homemade Duck Boat with Merc 39

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            • #7
              Re: Roostertail in Wake-- Crownline 242

              Improperly installed transducer?

              Maybe a previous owner deliberately installed a rooster tail device like we used to do in the 1950"s!
              2019 SeaRay SPX 190 OB & Mercury 150 4-Stroke & Merc 5.0 Kicker
              2017 Boston Whaler 150 Montauk & Mercury 60 ELPT Command Thrust & Merc 3.5 Kicker
              2015 Yamaha FX Cruiser HO
              1964 Sea Nymph 14R & 1970 Evinrude Sportwin 9.5
              1960 Mulray 100 Dinghy, equipped with Beaver Oars
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              69 Outboards: 1919-2019, representing 11 manufacturers
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              • #8
                Re: Roostertail in Wake-- Crownline 242

                Yeah, it would be better to see what type of "rooster tail" we are talking about. Normally when people refer to a rooster tail, they liken it to the ultra high performance boats with the tail of water spraying up into the air. However, I have seen some people refer to a rooster tail as an anamoly in the wake that appears 20-30ft back, sort of a roller on one side of the wake. If water was spraying into the air, or causing a large bump in the middle of the wake, trim adjustment is likely the issue. If the bump was to one side of the wake further back, it may be part of the hull design causing the issue, or some accessory in the water (like the transducer mentioned earlier).

                I also agree that if you were testing this boat, you should have been driving.
                1976 Mark Twain 200VBR w/Mercruiser 233 (Ford 351w) "Heart & Soul"

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                • #9
                  Re: Roostertail in Wake-- Crownline 242

                  No amount of engine trim will ever cause a rooster tail. Its due to a protrusion below the bottom of the boat.

                  Likely that we're talkimg about some spray here, not the real thing. We need pics.
                  2019 SeaRay SPX 190 OB & Mercury 150 4-Stroke & Merc 5.0 Kicker
                  2017 Boston Whaler 150 Montauk & Mercury 60 ELPT Command Thrust & Merc 3.5 Kicker
                  2015 Yamaha FX Cruiser HO
                  1964 Sea Nymph 14R & 1970 Evinrude Sportwin 9.5
                  1960 Mulray 100 Dinghy, equipped with Beaver Oars
                  1952 Lyman 15' Mid Steer & Evinrude Big Twin 25
                  69 Outboards: 1919-2019, representing 11 manufacturers
                  -------------------------------------------------------------------
                  Member ACBS, LBOA, AOMCI

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                  • #10
                    Re: Roostertail in Wake-- Crownline 242

                    Originally posted by Bubba1235
                    Pardon my asking but WHY? Thats kind of like sitting in the back seat and lettting the car sales man take you for a "test drive".
                    Because he didn't offer me the helm. If I pursue this boat further, I will do a complete sea trial and survey.

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                    • #11
                      Re: Roostertail in Wake-- Crownline 242

                      Originally posted by JimS123 View Post
                      No amount of engine trim will ever cause a rooster tail. Its due to a protrusion below the bottom of the boat.

                      Likely that we're talkimg about some spray here, not the real thing. We need pics.
                      Whatever it is, it would be a most unpleasant ride for anyone on a tube or skis. The roostertail or spray forms right at the head of the wake's "V", smack in the middle, and sprays about three feet back from there. I agree with an earlier poster that it is caused by poor management of trim tabs and outdrive tilt.

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                      • #12
                        Re: Roostertail in Wake-- Crownline 242

                        Originally posted by Four Winns 214 View Post
                        Whatever it is, it would be a most unpleasant ride for anyone on a tube or skis. The roostertail or spray forms right at the head of the wake's "V", smack in the middle, and sprays about three feet back from there. I agree with an earlier poster that it is caused by poor management of trim tabs and outdrive tilt.
                        That explains everything. Trim too high.

                        A "Roostertail" is vertical.
                        2019 SeaRay SPX 190 OB & Mercury 150 4-Stroke & Merc 5.0 Kicker
                        2017 Boston Whaler 150 Montauk & Mercury 60 ELPT Command Thrust & Merc 3.5 Kicker
                        2015 Yamaha FX Cruiser HO
                        1964 Sea Nymph 14R & 1970 Evinrude Sportwin 9.5
                        1960 Mulray 100 Dinghy, equipped with Beaver Oars
                        1952 Lyman 15' Mid Steer & Evinrude Big Twin 25
                        69 Outboards: 1919-2019, representing 11 manufacturers
                        -------------------------------------------------------------------
                        Member ACBS, LBOA, AOMCI

                        Comment


                        • #13
                          Re: Roostertail in Wake-- Crownline 242

                          forwinns....it is possible that the hull had modifications to it......thus causing an improper transom angle.

                          that would be why the improper drive angle of attack.....and the need for tabs to compensate......if you look farther into the boat......take a protractor to the transom....it should read 110 deg

                          if its is 110....then the guy just didnt know how to drive his own boat.

                          its only a 24......the engine and b3 should lift it out of the water no problem with out tabs
                          The Hull Extension Thread
                          great info on all aspects on boat building with detailed information.

                          https://forums.iboats.com/showthread.php?t=234392

                          IN MEMORY OF Our friend SpinnerBait_Nut LESTER WRIGHT July 31, 1953 - Nov 26, 2008 RIP

                          IN MEMORY OF Our friend Tashasdaddy Robert (bob) Griffis. October 27, 1948
                          November 29 2010 RIP

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                          • #14
                            Re: Roostertail in Wake-- Crownline 242

                            I have a 2000 four winns that throws about a 4 -5 foot tail when on a plane trimmed all the way down. when i trim out to the proper angle the tail disappears.
                            2000 Four Winns Horizon 200

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                            • #15
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                              Re: Roostertail in Wake-- Crownline 242

                              Originally posted by oops! View Post
                              the guy just didnt know how to drive his own boat.
                              I think you're on to something. I've never handled a boat with trim tabs, but I think I could figure it out pretty quickly after 30 years of using trim on airplanes. As I said, I didn't get to handle the boat, but it did seem that it was taking a lot of power for the speed it was attaining. Some of that probably had to do with a cruddy bottom.

                              This is the second Crownline 242 I've looked at. The first one a few weeks back was immaculately clean, but apparently suffered from mechanical neglect. When we took the boat out, about 90 seconds after the owner got it on plane, the engine alarm went off. HE DIDN'T KNOW WHAT IT WAS! I looked at his engine gauges and saw the coolant temp headed towards the peg. I suggested he throttle back and shut down. We had to be towed in because the engine wouldn't turn over after it was shutdown. I should have known. Earlier, he told me, "I change oil on my boats every other season". I don't know the cause of the overheat, but I'll bet the impeller received the same type of attention.

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