Jolly Cat set up.

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  • NorthernBoater
    Senior Member
    • Apr 2007
    • 811

    #16
    Originally posted by Darin Jordan View Post
    OK, I give... HOW do you get to the strut adjusting hardware??? WHAT is holding it in???
    The strut can not be adjusted. It is glassed in.

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    • Fluid
      Fast and Furious
      • Apr 2007
      • 7990

      #17
      Okay, I was afraid of that based on other similar boats I'd seen photos of. You don't have much adjustment, but you do have some. The prop design can have a big effect on how the boat behaves, not just the diameter and pitch. A metal 'X' or 'M' prop will usually lift less than a plastic prop, and that can help the transoms settle a bit. You can also increase the cup on the prop to further reduce lift. Moving the CG fore or aft will definately change things, but you'll have to experiment. Finally, angling the rudder pivot in at the bottom will help hold the transoms down in a turn - you can shim the rudder bracket at the transom to accomplish this.

      You may find that the current setup is only good for a certain speed window, and going faster will cause the boat to have bad habits. The only solution for that is to chop off the strut bracket and mount an adjustable one where the rudder bracket now sits. But certainly try the other things first, you may find that you can get close to where you want to be.


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      • SJFE
        Fast Electric Addict!
        • Apr 2007
        • 4735

        #18
        Thanks for the suggestions. I need to invest in a broader range of props. I have a couple sets of packs now and testing should be easer. I will exhause every option before taking a saw to anything. Taking your info into consideration I have a good chance of finding what I need with the current setup. Thanks again :).

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        • Steven Vaccaro
          Administrator
          • Apr 2007
          • 8724

          #19
          Jay has come up with some good directions to go. Also can someone post a video of whats going on. I can forward it to Joseph for more ideas.
          Steven Vaccaro

          Where Racing on a Budget is a Reality!

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          • SJFE
            Fast Electric Addict!
            • Apr 2007
            • 4735

            #20
            I will post all of my videos later this evening.

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            • NorthernBoater
              Senior Member
              • Apr 2007
              • 811

              #21
              I have this video but it really does not have much cornering in it. I will hopefully be able to have it in the water next Sunday.

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              • SJFE
                Fast Electric Addict!
                • Apr 2007
                • 4735

                #22
                Ok Here goes. I think all the setups are in the titles.
                This run was on a K40 KB8XL Correction 16 Nimh

                Jolly 1


                S4-2p KB8XL K40 With 1 minutes 20 seconds to go I grew a set and kept on the power through the turn with only a slight drop on entry.
                Jolly 3

                S4-2p KB8XL X440-3
                Jolly 3
                Last edited by SJFE; 10-15-2007, 09:13 PM.

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                • robby76
                  Senior Member
                  • Apr 2007
                  • 190

                  #23
                  did you measure the amp draw?

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                  • SJFE
                    Fast Electric Addict!
                    • Apr 2007
                    • 4735

                    #24
                    Around 90 constent with the KB8XL on 16 nimh.Spikes of 160. The hex ate it up and spit it out np prob.

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                    • Steven Vaccaro
                      Administrator
                      • Apr 2007
                      • 8724

                      #25
                      I nice that when you hit your full speed about 3/4 down the straight its settled down in this video.

                      This run was on a K40 KB8XL Correction 16 Nimh

                      But than you slow to about 1/2 or less in the corners. After exiting the corner you now have to start the whole getting the boat to plane process again. Did you ever try running faster in the corners?
                      Steven Vaccaro

                      Where Racing on a Budget is a Reality!

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                      • SJFE
                        Fast Electric Addict!
                        • Apr 2007
                        • 4735

                        #26
                        Yes Video 2 1:20 left to go. I held almost full to 3/4 full throttle through the turns. Much better results. Still some hop on exit.

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                        • SJFE
                          Fast Electric Addict!
                          • Apr 2007
                          • 4735

                          #27
                          Ok here is the setup for Sundays run. 9XL S4-2p PQX3300 & a freshly configured Hex. BTW if you have a DX3 set the throttle trim to -28 and EPA -95 and you need not buy a Pistix.



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                          • Mich. Maniac
                            Banned
                            • Apr 2007
                            • 1384

                            #28
                            That hex looks familiar. I just went through Tower and see Venom has put their name on exact esc but price is 135. kinda funny. Anywaysss Looks as clean as can be. wish I could join ya sunday! good luck and stray dry.

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