M445 and X642 question

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  • Kaotic
    Senior Member
    • Jul 2014
    • 447

    #61
    Originally posted by kfxguy
    Me too! With a single drive tho.
    NICE! look forward to watching another one of your builds, I've learned a lot watching you build and tweak that Rivercat.
    Michigan Fast Electric SAW Club
    Revolt - 76.9mph...Building a DF35- Project Mono

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    • Kaotic
      Senior Member
      • Jul 2014
      • 447

      #62
      Double post
      Michigan Fast Electric SAW Club
      Revolt - 76.9mph...Building a DF35- Project Mono

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      • kfxguy
        Fast Electric Addict!
        • Oct 2013
        • 8746

        #63
        Originally posted by Kaotic
        NICE! look forward to watching another one of your builds, I've learned a lot watching you build and tweak that Rivercat.
        Gonna be a bit before I get started tho...I have two more rivercat builds to do. I'm hoping to get mine in the 100's this weekend altho I'm quite nervous about it.
        32" carbon rivercat single 4s 102mph, 27” mini Rivercat 92mph, kbb34 91mph, jessej micro cat(too fast) was

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        • Kaotic
          Senior Member
          • Jul 2014
          • 447

          #64
          Originally posted by kfxguy
          Gonna be a bit before I get started tho...I have two more rivercat builds to do. I'm hoping to get mine in the 100's this weekend altho I'm quite nervous about it.

          Good luck I can't wait to see the video of a Rivercat going over 100!
          Michigan Fast Electric SAW Club
          Revolt - 76.9mph...Building a DF35- Project Mono

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          • Kaotic
            Senior Member
            • Jul 2014
            • 447

            #65
            Weather is horrible today so no boating for me. I meant to ask this yesterday. I'm swinging an M645 which I know is a big prop for this little 30" hull. The problem I'm having is it wants to turn hard right when I get on it. I have to have my radio trim set left like 15 clicks just to make it go reasonably straight then when I let off the throttle it turns hard left. I tried lowering the right outside trim tab a little bit, but didn't seem to have any effect. Anyone have any suggestions? Thanks!
            Michigan Fast Electric SAW Club
            Revolt - 76.9mph...Building a DF35- Project Mono

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            • dasboata
              Fast Electric Addict!
              • Dec 2010
              • 3152

              #66
              Originally posted by Kaotic
              Weather is horrible today so no boating for me. I meant to ask this yesterday. I'm swinging an M645 which I know is a big prop for this little 30" hull. The problem I'm having is it wants to turn hard right when I get on it. I have to have my radio trim set left like 15 clicks just to make it go reasonably straight then when I let off the throttle it turns hard left. I tried lowering the right outside trim tab a little bit, but didn't seem to have any effect. Anyone have any suggestions? Thanks!
              pretty normal for boat to go to the right, it is the prop walk that pushes the ass around to make it pull , try a different prop,,,,the thinner the better to preven prop walk,, next move would be to build some Left turn into the boat what I mean is use a airplane motor wedge or that a 1/8- 3/16 piece of plywood and put it on a disk sander and make a wedge to place under the strut mount you also will need to bend the stuffing box for the best alignment you know that will scrub 3-5 MPH Chris
              Last edited by dasboata; 10-03-2014, 02:07 PM.

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              • Kaotic
                Senior Member
                • Jul 2014
                • 447

                #67
                Hey thanks Chris! So what you're saying is wedge the strut so that it is makes the boat have a little left push and when you say angle the stuffing box are you referring to the stuffing tube? I might have to give this a try!
                Michigan Fast Electric SAW Club
                Revolt - 76.9mph...Building a DF35- Project Mono

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                • dasboata
                  Fast Electric Addict!
                  • Dec 2010
                  • 3152

                  #68
                  Yup correct !!! next thing would be to try my props :Peace_sign!

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                  • kfxguy
                    Fast Electric Addict!
                    • Oct 2013
                    • 8746

                    #69
                    Originally posted by Kaotic
                    Hey thanks Chris! So what you're saying is wedge the strut so that it is makes the boat have a little left push and when you say angle the stuffing box are you referring to the stuffing tube? I might have to give this a try!
                    I tried one of dasboatas props...bigger than the one i normally run...and the one i normally run prop walks.....his did not. It drove as omooth as could be. give him a shot with an m645....i think you will like it. or he could do somthing higher pitch and diameter and turn the diameter down for you....best of both worlds...more pitch...more speed...less diameter...less prop walk.
                    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

                      #70
                      Thanks Travis my SAW cats driveline you will get the idea but change prop 1st
                      Attached Files

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                      • Kaotic
                        Senior Member
                        • Jul 2014
                        • 447

                        #71
                        I've used a Dasboata prop on this boat before. They are nice I'm just a do it yourselfer. Here is one I just worked up for my dad this morning. image.jpg
                        Michigan Fast Electric SAW Club
                        Revolt - 76.9mph...Building a DF35- Project Mono

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                        • Kaotic
                          Senior Member
                          • Jul 2014
                          • 447

                          #72
                          Originally posted by dasboata
                          Thanks Travis my SAW cats driveline you will get the idea but change prop 1st
                          Perfect, thank you Chris! I think I'll be doing this over the weekend.
                          Michigan Fast Electric SAW Club
                          Revolt - 76.9mph...Building a DF35- Project Mono

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                          • dasboata
                            Fast Electric Addict!
                            • Dec 2010
                            • 3152

                            #73
                            Originally posted by Kaotic
                            I've used a Dasboata prop on this boat before. They are nice I'm just a do it yourselfer. Here is one I just worked up for my dad this morning. [ATTACH=CONFIG]121483[/ATTACH]
                            It's a nice finish,,and blending, ! I would not trust the balancer the shaft should have air on 1 side not touching,, (can't see the other side but I got a feeling ) and IMHO the magnets are too strong and holds the shaft to tight

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                            • Kaotic
                              Senior Member
                              • Jul 2014
                              • 447

                              #74
                              Originally posted by dasboata
                              It's a nice finish,,and blending, ! I would not trust the balancer the shaft should have air on 1 side not touching,, (can't see the other side but I got a feeling ) and IMHO the magnets are too strong and holds the shaft to tight
                              Nope I keep about 32nd gapimage.jpg
                              Michigan Fast Electric SAW Club
                              Revolt - 76.9mph...Building a DF35- Project Mono

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                              • kfxguy
                                Fast Electric Addict!
                                • Oct 2013
                                • 8746

                                #75
                                I need a balancer like that. I have a top flight at three moment
                                32" carbon rivercat single 4s 102mph, 27” mini Rivercat 92mph, kbb34 91mph, jessej micro cat(too fast) was

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