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brushless or brushed ?

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brushless or brushed ?

Home › Forums › Beginners › brushless or brushed ?

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  • 17 December 2019 at 11:34 #2889
    Andy hop
    Participant
      @andyhop65854

      32 inch vosper fire boat

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      17 December 2019 at 11:34 #84927
      Andy hop
      Participant
        @andyhop65854

        Hi

        I picked up a 32 inch vosper fire boat needing a restoration that is coming along nicely im now at the point of motor fiiting but do I go brushless ? if sowhat kv ? or just stay brushed ??

        thankyou

        17 December 2019 at 13:03 #84928
        Chris Fellows
        Participant
          @chrisfellows72943

          Brushed will obviously work but brushless is the way to go for good planing performance.

          Something like an outrunner 3548/05 900kV would be suitable.

          Chris

          17 December 2019 at 13:11 #84929
          Andy hop
          Participant
            @andyhop65854

            chris fellows thankyou

            18 December 2019 at 08:58 #84947
            ashley needham
            Participant
              @ashleyneedham69188

              Andy. What batteries are you intending to use? If I may be so bold, 900Kv sounds a bit low for a 6 pack Nimh or 2s but would be suitable on 3s or 12V ??

              just a thought. Ashley

              18 December 2019 at 09:41 #84948
              Dave Milbourn
              Participant
                @davemilbourn48782

                I've used a very similar motor in a model just a little larger than this and would agree that 3S (11.1v) is the best size LiPo – or a 10-cell NiMH pack.

                Dave M

                18 December 2019 at 09:56 #84950
                harry smith 1
                Participant
                  @harrysmith1

                  Hi Andy

                  A 3S Lipo would be lighter and deliver a better run time.

                  A brushless motor between 900 and 1100kv will give the boat a nice turn of speed, but not a race boat.

                  As for prop, a 40mm 2 blade or 37mm 3blade would be a good start.

                  Harry Smith

                  18 December 2019 at 10:32 #84951
                  Andy hop
                  Participant
                    @andyhop65854

                    Moring Harry , Ashley , Dave

                    I have 3s lipo packs also have 6s lipo packs that I have for my helis so 11.1v and 22.2v

                    also have few NI-MH PACKS but there only 9.6v ..

                    Thankyou very much guys

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