To turn fin or Not turn fin?

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  • kfxguy
    Fast Electric Addict!
    • Oct 2013
    • 8746

    #1

    To turn fin or Not turn fin?

    Building my first mono. Initially I'm not worried about it turning, I want to see how fast it can go straight. Just wondering if i can run with no turn fins on it? do they add to stability in the straights or just help with turning?
    32" carbon rivercat single 4s 102mph, 27” mini Rivercat 92mph, kbb34 91mph, jessej micro cat(too fast) was
  • Make-a-Wake
    FE Rules!
    • Nov 2009
    • 5557

    #2
    The turn fins should not even be in play when going straight, in fact they should barely or not at all even touch the water. Racers use only a right turn fin quite often. You will see a difference in water other than glass.
    NEED PARALLEL CONNECTORS?? QUALITY 5.5MM, 8MM, 8 AND 10 AWG, GET THEM HERE: http://forums.offshoreelectrics.com/...est!&highlight=

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    • Luck as a Constant
      Make Total Destroy
      • Mar 2014
      • 1952

      #3
      Since I don't know anybody who's run this hull yet, whose to say really.
      Try it without, and see what the results are


      Sent from my iPhone using Tapatalk
      There's a hole at the center of earth where the rest of the world sinks but i stand still...

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      • Kaotic
        Senior Member
        • Jul 2014
        • 447

        #4
        Yeah I would run it without them and see how it handles. If you want to really carve them consider adding them on but point them back so they are not in the water while running down the straightaway.
        Michigan Fast Electric SAW Club
        Revolt - 76.9mph...Building a DF35- Project Mono

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        • kfxguy
          Fast Electric Addict!
          • Oct 2013
          • 8746

          #5
          Originally posted by Kaotic
          Yeah I would run it without them and see how it handles. If you want to really carve them consider adding them on but point them back so they are not in the water while running down the straightaway.
          Sounds like a plan!
          32" carbon rivercat single 4s 102mph, 27” mini Rivercat 92mph, kbb34 91mph, jessej micro cat(too fast) was

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          • srislash
            Not there yet
            • Mar 2011
            • 7673

            #6
            Originally posted by Kaotic
            Yeah I would run it without them and see how it handles. If you want to really carve them consider adding them on but point them back so they are not in the water while running down the straightaway.
            Ditto, might spinouts a bit but ya never know. I only run one on the starboard on the Pursuit. I don't go left much but it doesn't seem too bad anyway.

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            • Spartanator
              Fast Electric Addict!
              • Oct 2013
              • 1060

              #7
              Travis, when "I" eventually get my KBB Donzi together I'd like it to have turn fins. When I had that Spartan (DO NOT LAUGH... lol) I ran without turn fins and with turn fins. I really didn't notice much a difference but each hull is different as COG moves around.
              Why are you bothering me? I want to see your boat!
              32" CF Rivercat--- built by "kfxguy" (SOLD)

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              • Make-a-Wake
                FE Rules!
                • Nov 2009
                • 5557

                #8
                Originally posted by Luck as a Constant
                Since I don't know anybody who's run this hull yet, whose to say really.

                Sent from my iPhone using Tapatalk
                I don't even see a hull listed...........am I dense?
                NEED PARALLEL CONNECTORS?? QUALITY 5.5MM, 8MM, 8 AND 10 AWG, GET THEM HERE: http://forums.offshoreelectrics.com/...est!&highlight=

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                • Spartanator
                  Fast Electric Addict!
                  • Oct 2013
                  • 1060

                  #9
                  Originally posted by Make-a-Wake
                  I don't even see a hull listed...........am I dense?
                  It is his Keith Bradley 34" V hull. I think.... lol

                  http://forums.offshoreelectrics.com/...uot-mono-build

                  Why are you bothering me? I want to see your boat!
                  32" CF Rivercat--- built by "kfxguy" (SOLD)

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                  • kfxguy
                    Fast Electric Addict!
                    • Oct 2013
                    • 8746

                    #10
                    Originally posted by Make-a-Wake
                    I don't even see a hull listed...........am I dense?

                    Sorry man, I forgot to mention that as I thought most people saw the build thread on it. It's a kbb 34" mono. First mono I've but from scratch.....I'm a cat kind of guy but I figured I'd try something different.
                    32" carbon rivercat single 4s 102mph, 27” mini Rivercat 92mph, kbb34 91mph, jessej micro cat(too fast) was

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                    • dasboata
                      Fast Electric Addict!
                      • Dec 2010
                      • 3152

                      #11
                      Don't need turn fins for going straight,, I never used them in the 90's when I raced they became popular late on and they are a big help in heat racing mono's !

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