Question about batteries and trim tabs

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  • diesel1984
    Member
    • Apr 2007
    • 46

    #1

    Question about batteries and trim tabs

    on the trim tabs should they be positioned with the lines of the boat, and the turn part straight down to the water? or should the tabs be pushed up at an angle for planing the boat better?
    Also what does a zapped cell mean...probably what i have... i cant discharge my IB4200's more than 1.60amps...so what should i do...if anyone has any tips please do tell.
    thanks,
    Michael
  • sjslhill
    Fast Electric Addict!
    • Apr 2007
    • 1513

    #2
    What voltage reading is on your pack? You may have a dead cell in the pack. Zapping improves the voltage average during discharge.

    Comment

    • diesel1984
      Member
      • Apr 2007
      • 46

      #3
      2 IB4200 9.6v batteries when combined the are like 19 volts when charged around 24 or something

      Comment

      • SJFE
        Fast Electric Addict!
        • Apr 2007
        • 4735

        #4
        The tabs should follow the lines of the hull. Mount them about a 32nd above the bottom of the boat.

        Comment

        • sjslhill
          Fast Electric Addict!
          • Apr 2007
          • 1513

          #5
          24V for a peaked 16 cell pack is correct. What is happening, the boat just slowing down or what exactly? Have you tried a slow balancing charge to equalize the cells? Is one or more cells getting hotter than the others?

          Is your ESC quiting from a thermal shutdown?

          Comment

          • diesel1984
            Member
            • Apr 2007
            • 46

            #6
            no, people are telling me i should discharge them at like 10amps but im not able to do more than 1.60 it like wont go anymore than that even if i set it for higher

            Comment

            • SJFE
              Fast Electric Addict!
              • Apr 2007
              • 4735

              #7
              Discharge @ what rate you can. The only diffrence is time really

              Comment

              • diesel1984
                Member
                • Apr 2007
                • 46

                #8
                so just because these IB4200 9.6v 8 cell packs cant do more than 1.60 discharge there isnt anything wrong with them?

                Comment

                • SJFE
                  Fast Electric Addict!
                  • Apr 2007
                  • 4735

                  #9
                  What do you mean by they can't DO more than a 1.6 amp discharge exactly????

                  Comment

                  • diesel1984
                    Member
                    • Apr 2007
                    • 46

                    #10
                    i can charge them at any amp setting..but when i try to discharge at say 5 amps it goes up to 5 amps then within 20 secs falls down to 1.60amps

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