Kbb 34" mono build

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  • flraptor07
    Fast Electric Addict!
    • Aug 2013
    • 2451

    #346
    The KST DS2509MG is another one I use, it's 291oz.in. @6.0v and 347oz.in. @ 7.4v if you really want to power it you get 416oz.in. @ 8.4v $64.99 @ VRC Hobbies

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    • steveo
      Fast Electric Addict!
      • Apr 2007
      • 1454

      #347
      Awesome job u got quite a screamer there. So seems the order your boat goes 6s/ 70's, 7s/80's, 8s/90's.....and the 3 digit 9s?

      Comment

      • kfxguy
        Fast Electric Addict!
        • Oct 2013
        • 8750

        #348
        Originally posted by steveo View Post
        Awesome job u got quite a screamer there. So seems the order your boat goes 6s/ 70's, 7s/80's, 8s/90's.....and the 3 digit 9s?
        Pretty much! I've got some things to line out on it and it should go a touch faster. The rudder could be a little shorter, the prop sharper and the Esc that's going on it will handle more amps. Im expecting 95ish out of it. Getting to 100 is going to be quite an accomplishment. Not sure I can do it.
        32" carbon rivercat single 4s 102mph, 27” mini Rivercat 92mph, kbb34 91mph, jessej micro cat(too fast) was

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        • steveo
          Fast Electric Addict!
          • Apr 2007
          • 1454

          #349
          And your doing this with 1p right. Those are some good batteries i have been looking into them lately

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          • kfxguy
            Fast Electric Addict!
            • Oct 2013
            • 8750

            #350
            Originally posted by steveo View Post
            And your doing this with 1p right. Those are some good batteries i have been looking into them lately
            Two 3s or 4s 5500 70c run in series
            32" carbon rivercat single 4s 102mph, 27” mini Rivercat 92mph, kbb34 91mph, jessej micro cat(too fast) was

            Comment

            • montymike
              Senior Member
              • Jul 2012
              • 774

              #351
              Nice build , top notch as always. I'm sure this question has been asked before were do u get hatch locks and seal thanks mike

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              • Spartanator
                Fast Electric Addict!
                • Oct 2013
                • 1060

                #352
                Originally posted by montymike View Post
                Nice build , top notch as always. I'm sure this question has been asked before were do u get hatch locks and seal thanks mike
                I think he gets them from Keith, not sure though.
                Why are you bothering me? I want to see your boat!
                32" CF Rivercat--- built by "kfxguy" (SOLD)

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                • montymike
                  Senior Member
                  • Jul 2012
                  • 774

                  #353
                  Ya thanks found it on Keith site.

                  Comment

                  • littlepooper206
                    Senior Member
                    • Jul 2014
                    • 159

                    #354
                    Hello sir
                    In regards to the flood tube can you or someone please explain the principle of this addition to the build! This is the second time I have heard of this in a build and yet to understand what it is meant to do ?!
                    Any explication would be great.

                    Comment

                    • kevinpratt823
                      Fast Electric Addict!
                      • Aug 2012
                      • 1360

                      #355
                      The flooded tube allows space for the brass tube to move up and down for strut adjustment.
                      My private off road rc track
                      https://www.youtube.com/watch?v=XC3H...yaNZNA&index=8

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                      • kfxguy
                        Fast Electric Addict!
                        • Oct 2013
                        • 8750

                        #356
                        A flood tube works like this:


                        You have a tube a bit larger than the brass drive tube. The end toward the motor is sealed. There is a bushing at this end that is epoxied in place. The drive tube passes through it. If water gets in this tube it will not get in the boat because the bushing is sealed to the big tube and the drive tube. Now on the strut end because the big tube has a large gap you can move the brass drive tube up and down within it allowing needed prop height and angle adjustment This is needed if you want the most out of a particular setup. A strut does look better but only allow prop angle adjustment.

                        Couple pics







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

                        Comment

                        • kfxguy
                          Fast Electric Addict!
                          • Oct 2013
                          • 8750

                          #357






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

                          Comment

                          • Muz_zz
                            Junior Member
                            • Dec 2015
                            • 3

                            #358
                            This has been the best read and learned a lot from your posts��
                            Well done with the build of this boat it is a work of art and runs dam fast!

                            Comment

                            • Beaux
                              Senior Member
                              • Dec 2015
                              • 550

                              #359
                              Looks good I'm putting together a df pirate with a tp 4070 2200kv what do you think.

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                              • kfxguy
                                Fast Electric Addict!
                                • Oct 2013
                                • 8750

                                #360
                                Originally posted by Beaux View Post
                                Looks good I'm putting together a df pirate with a tp 4070 2200kv what do you think.

                                I don't like the 4070 motor. It seems quite underpowered for its size. I've tried a couple different ones in different boats I had and they were slow for the kv they were. My buddy bought one and I never said anything to him on what I thought. One day we were talking boats and out of the blue he says "man I think the 4070 just doesn't seem to have the power it should, what do you think?" Then at that point I know it wasn't just me. I prefer the 4060 and if it's not enough then I just spend the coin on a neu 1527....which the 4070 does t hold a candle to. Also I feel the same way about a neu 1530 as I feel about the tp 4070. The 1527 is the biggest 40mm can motor I get. If I need more power then I step it up to a larger can but I haven't had to just yet.
                                32" carbon rivercat single 4s 102mph, 27” mini Rivercat 92mph, kbb34 91mph, jessej micro cat(too fast) was

                                Comment

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