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Think im finaly getting there

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Think im finaly getting there

Home › Forums › Beginners › Think im finaly getting there

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  • 1 August 2013 at 20:10 #42570
    jon render
    Participant
      @jonrender32971

      Hi all, finaly got round to dumping the heavy 12 lead battery and was going for a 12v nimh 5000mah pack but ended up buying 2 used 7.2v 3700 mah for £10 each. Well chuffed as the batteries seem as good as new and my boat is definatley going faster and smoother. Now im wondering what it would be like if i had gone for a 12v 5000mah. Would it be that little bit quicker?256x256_fit_one_bestfit.jpg

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      1 August 2013 at 20:10 #2290
      jon render
      Participant
        @jonrender32971
        1 August 2013 at 20:17 #42571
        Dave Milbourn
        Participant
          @davemilbourn48782

          Oh yes!

          DM

          1 August 2013 at 22:26 #42577
          ashley needham
          Participant
            @ashleyneedham69188

            So.. you are running the boat on 7.2V OR at 14.4V?

            The power needed to go twice as fast is the square of something or other so upping to 12V will not double the speed but would give a useful increase. UNLESS youe are running at 14.4V. Obviously the 5000 pack will give a longer THRASHING time.

            Ashley

            2 August 2013 at 05:04 #42582
            jon render
            Participant
              @jonrender32971

              I presume im running 14.4v as have two 7.2 3700mah battery packs

              2 August 2013 at 07:56 #42586
              ashley needham
              Participant
                @ashleyneedham69188

                Jon. ONLY if they are running in series rather than paralell.

                ie…if the two packs are joined red to ESC, black to red on 2nd battery then black of 2nd battery to esc…this would be 14V

                Ashley

                2 August 2013 at 09:11 #42592
                jon render
                Participant
                  @jonrender32971

                  Ah right, that sounds complicated. Ive obviously got it paralell, red to red black to black ect. Maybe i can google this to see how its done

                  10 August 2013 at 06:04 #42816
                  jon render
                  Participant
                    @jonrender32971

                    At last, my 12v 5000mah nimh pack has arrived. Cant wait to get the boat in the water this afternoon

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