Carbon fiber single daytona build

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  • kfxguy
    Fast Electric Addict!
    • Oct 2013
    • 8746
    #1

    Carbon fiber single daytona build

    I figured I'd peck away at this while I'm building some other boats and while waiting on parts and epoxies to cure. This one is for me. I speculate if I built it like my rivercat but a little better and a little more power.....it should go faster. I hope so. This is basically going to be just a straight line, see - how - fast I can make it. It's longer so it should stay on the water easier.

    Here's my plans

    Motor: custom neu 1521 with a longer rotor. 1835kv, 8mm shaft
    Esc: swordfish 240 pro plus2. custom cap bank
    Connectors: green castle 6.5mm
    Servo: savox waterproof
    Flex: .187
    Hardware: tfl offset strudder assy. Strut modded for roller bearings
    Batteries: (2) revolectrix 4s 5500 70c packs in series
    Prop: start with m645

    This one I'm going to try a honey comb carbon inlay and do so different things to make it very tidy.


    This is one beautiful hull.....




    Carbon I'll be using for the inlay. Nothing new but cool looking nonetheless. I first saw this in keiths builds. I thought it looked wonderful and thought I'd try it.


    Last edited by kfxguy; 11-30-2014, 04:18 PM.
    32" carbon rivercat single 4s 102mph, 27” mini Rivercat 92mph, kbb34 91mph, jessej micro cat(too fast) was
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    • kfxguy
      Fast Electric Addict!
      • Oct 2013
      • 8746
      #2
      As with the cheetah...my most favorite part...sanding! Ugh!



      Same as with the cheetah. ..mixing up some epoxy for reinforcement of the tips and tunnel. I chopped up some carbon cloth to mix in with the epoxy. I saw joel was doing this and it made sense as to why he was. I was doing just epoxy before, this seems like a better idea.



      Letting them babies cure till tomorrow. Then I will do the inlay on both of them. I can't wait!

      Last edited by kfxguy; 11-30-2014, 04:20 PM.
      32" carbon rivercat single 4s 102mph, 27” mini Rivercat 92mph, kbb34 91mph, jessej micro cat(too fast) was

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        • kfxguy
          Fast Electric Addict!
          • Oct 2013
          • 8746
          #3
          Here's the little beast going in it.

          32" carbon rivercat single 4s 102mph, 27” mini Rivercat 92mph, kbb34 91mph, jessej micro cat(too fast) was

            Comment

            • Chris Nason
              Senior Member
              • Sep 2014
              • 114
              #4
              Originally posted by kfxguy
              As with the cheetah...my most favorite part...sanding! Ugh!



              Same as with the cheetah. ..mixing up some epoxy for reinforcement of the tips and tunnel.



              Letting them babies cure till tomorrow. Then I will do the inlay on both of them. I can't wait!

              How much epoxy do you add to the tip's and what is your method for the tunnel?

                Comment

                • kfxguy
                  Fast Electric Addict!
                  • Oct 2013
                  • 8746
                  #5
                  Originally posted by Chris Nason
                  How much epoxy do you add to the tip's and what is your method for the tunnel?
                  I put 30g in each tip. 45g in the tunnel. Pour in the same as the tips. I cut the carbon fiber a little longer so it would be thicker and more of a formal "clump", so the epoxy would stay put and not run into the tips.
                  32" carbon rivercat single 4s 102mph, 27” mini Rivercat 92mph, kbb34 91mph, jessej micro cat(too fast) was

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                    • olwarbirds
                      Magic Smoke Wizard
                      • Oct 2012
                      • 1136
                      #6
                      Travis, looks good brother. Your going to be around 50,000 rpm, roughly same I'm running in my daytona 6S setup. I do think your going to find that the 645 is going to create some torque roll issues. Mine does fine with a 642, a 445 seriously s/b/t and just a bit of cupping is what I was last working with. That was the run where It went airborne so the GPS reading is not even close to accurate, but I know it was in the upper 80's....lookn forward to seeing this one run... DJ
                      Tunnels-PS295. Cats-H&M M1 Supercat Daytona rivercat. Monos-DF Cyberstorm HiTech 29. Hydros- Ms K Vac-U-Pickle Custom built 37" shovel 10th scale converted to FE Shadow. Rigger-H&M Evo II. AQ Harbortug recovery boat. Build in progress 37" cf Dragboat

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                        • kfxguy
                          Fast Electric Addict!
                          • Oct 2013
                          • 8746
                          #7
                          Originally posted by olwarbirds
                          Travis, looks good brother. Your going to be around 50,000 rpm, roughly same I'm running in my daytona 6S setup. I do think your going to find that the 645 is going to create some torque roll issues. Mine does fine with a 642, a 445 seriously s/b/t and just a bit of cupping is what I was last working with. That was the run where It went airborne so the GPS reading is not even close to accurate, but I know it was in the upper 80's....lookn forward to seeing this one run... DJ
                          I'm not so sure I'll have any torque roll issues with this boat. It's going to be a bit heavier than your genesis. I add weight to the front, transom and in the bottom of the sponsons in the form of epoxy. I've used this prop in my rivercat (smaller, narrower boat) and no tq roll. I've also used it on my 26" mini with no tq roll. It didn't drive well, but still..lol. I'll weight it when I'm done, but it'll prolly come in around 9 lbs loaded.
                          32" carbon rivercat single 4s 102mph, 27” mini Rivercat 92mph, kbb34 91mph, jessej micro cat(too fast) was

                            Comment

                            • olwarbirds
                              Magic Smoke Wizard
                              • Oct 2012
                              • 1136
                              #8
                              Travis, you got me curious as to how much my Daytona does weigh fully loaded. Its only 7.5 lbs, a good bit lighter than I thought it was ! and this is with the tips filled with epoxy and about half the sponsons filled with 2 part expanding foam and a cf inlay. So I definately see yours coming in 3lbs or so heavier.
                              Tunnels-PS295. Cats-H&M M1 Supercat Daytona rivercat. Monos-DF Cyberstorm HiTech 29. Hydros- Ms K Vac-U-Pickle Custom built 37" shovel 10th scale converted to FE Shadow. Rigger-H&M Evo II. AQ Harbortug recovery boat. Build in progress 37" cf Dragboat

                                Comment

                                • kfxguy
                                  Fast Electric Addict!
                                  • Oct 2013
                                  • 8746
                                  #9
                                  Originally posted by olwarbirds
                                  Travis, you got me curious as to how much my Daytona does weigh fully loaded. Its only 7.5 lbs, a good bit lighter than I thought it was ! and this is with the tips filled with epoxy and about half the sponsons filled with 2 part expanding foam and a cf inlay. So I definately see yours coming in 3lbs or so heavier.


                                  Did you mean you "dont" see mine coming in that much heavier?

                                  Well this is my rivercat with batteries so being the daytona is a little bigger I think it'll weight right at 9 lbs. I think the weight makes a difference in how much it would torque roll.....

                                  32" carbon rivercat single 4s 102mph, 27” mini Rivercat 92mph, kbb34 91mph, jessej micro cat(too fast) was

                                    Comment

                                    • zhevers
                                      Senior Member
                                      • Jul 2014
                                      • 232
                                      #10
                                      It's almost like your building my boat. Lol. Only thing I have different is the esc. I'll be watching this build to see what you can get out of it!!

                                        Comment

                                        • kfxguy
                                          Fast Electric Addict!
                                          • Oct 2013
                                          • 8746
                                          #11
                                          Originally posted by zhevers
                                          It's almost like your building my boat. Lol. Only thing I have different is the esc. I'll be watching this build to see what you can get out of it!!
                                          I thought about you yesterday when i started on it. I was hoping youd see the thread and follow it. This boat will be my "testbed" and because of the motor mount i'm using it will fit may different motors including lehner 22 series.
                                          32" carbon rivercat single 4s 102mph, 27” mini Rivercat 92mph, kbb34 91mph, jessej micro cat(too fast) was

                                            Comment

                                            • zhevers
                                              Senior Member
                                              • Jul 2014
                                              • 232
                                              #12
                                              I do really like that mount and carbon cloth you using. Let me know how you like it and if it gives you enough adjustment and I'll go ahead and place one of order. Also, when you get a chance can you send me a link to a proper replacement ceramic bearing for the 1521. Figure before I have you start building and testing my equipment I might as well have it all in good order. Thanks!

                                                Comment

                                                • kfxguy
                                                  Fast Electric Addict!
                                                  • Oct 2013
                                                  • 8746
                                                  #13
                                                  Originally posted by zhevers
                                                  I do really like that mount and carbon cloth you using. Let me know how you like it and if it gives you enough adjustment and I'll go ahead and place one of order. Also, when you get a chance can you send me a link to a proper replacement ceramic bearing for the 1521. Figure before I have you start building and testing my equipment I might as well have it all in good order. Thanks!
                                                  you might as well get the mount....i assembled two of them last night and i really like them. I need you to look at the front of your motor and see if yours has a bigger bearing in the front than the back. if it does, they dont make that beaering in ceramic. I had to convert to the smaller bearing front cap on mine.
                                                  32" carbon rivercat single 4s 102mph, 27” mini Rivercat 92mph, kbb34 91mph, jessej micro cat(too fast) was

                                                    Comment

                                                    • zhevers
                                                      Senior Member
                                                      • Jul 2014
                                                      • 232
                                                      #14
                                                      Originally posted by kfxguy
                                                      you might as well get the mount....i assembled two of them last night and i really like them. I need you to look at the front of your motor and see if yours has a bigger bearing in the front than the back. if it does, they dont make that beaering in ceramic. I had to convert to the smaller bearing front cap on mine.
                                                      Alright I'll look at it tomorrow when I get back home. Is that mount from kintec?
                                                      KR X-Long 2 Axis Carbon Fiber Motor Mount

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                                                        • kfxguy
                                                          Fast Electric Addict!
                                                          • Oct 2013
                                                          • 8746
                                                          #15
                                                          Originally posted by zhevers
                                                          Alright I'll look at it tomorrow when I get back home. Is that mount from kintec?
                                                          KR X-Long 2 Axis Carbon Fiber Motor Mount
                                                          yep, thats it.
                                                          32" carbon rivercat single 4s 102mph, 27” mini Rivercat 92mph, kbb34 91mph, jessej micro cat(too fast) was

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