LiPo or not

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  • sdartt
    Member
    • Mar 2008
    • 78

    #1

    LiPo or not

    Getting down to getting my first FE feet wet. All I need is batteries and a charger. The hull is a A Titan 29 with Feigao 540-9XL, turbo tran and Hydra 120 ESC. I will be running it sport for a while until I get my required flips and air time completed. I want longer run times. Thanks in advance for any and all suggestions and advise.
    Jacksonville Florida
  • Eggo83
    Member
    • Jan 2008
    • 59

    #2
    Hey,
    in my limited knowledge in what ive learnt lipo is a good weight saver and has some good power advantages! you can reduce costs involved by connecting 2 3 cell packs in parrallel or even in series.
    Look around there is cheap options until you figure out what works best and then spend the cash on the good ones!
    I think maybe 2 x 3s 2500 25-30c in parrallel will work and will get it going. Hope it helps

    Comment

    • Jeff Wohlt
      Fast Electric Addict!
      • Jan 2008
      • 2716

      #3
      Lipo all the way. Don't waste your money on the round cells anymore. Minimum 25C rating and at least 4000+ mah
      www.rcraceboat.com

      [email protected]

      Comment

      • sdartt
        Member
        • Mar 2008
        • 78

        #4
        Thanks for the LiPo push, thats what I will do.
        Jacksonville Florida

        Comment

        • ghostofpf1
          Senior Member
          • Jun 2008
          • 392

          #5
          The only reason I can see for round cells anymore is if you need the weight (or have them at hand anyway) and even then I don't think they can deliver the amps like a good lipo pack.
          edit: or racing in classes that require them I guess
          Ghost
          Last edited by ghostofpf1; 06-20-2008, 11:35 AM.

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          • sdartt
            Member
            • Mar 2008
            • 78

            #6
            Ghost I am starting new so like you said might as well go with the latest and best. Price is not a big issue with toys for old guys.
            Jacksonville Florida

            Comment

            • Jeff Wohlt
              Fast Electric Addict!
              • Jan 2008
              • 2716

              #7
              Even the best round cells are only good for about 40 amps...they will not last long under 80+ amp conditions....which is common anymore with decent BL set ups.
              www.rcraceboat.com

              [email protected]

              Comment

              • Jimmy Sterling
                Senior Member
                • Apr 2008
                • 393

                #8
                I used to run the exact same motor in a titan 29', it would run fine on 12 4200 intellects but as soon as I dropped a pair of 7.4 5000 Mah Poly RC lipos it hauled ass . Unlike my smaller OM 25 it can also handle really rough water even with the extra power which makes it a really enjoyable sport boat to take for a run when the wind picks up.
                Come to the FASST side

                Comment

                • sdartt
                  Member
                  • Mar 2008
                  • 78

                  #9
                  Thanks 92 for the reply from down under, it's great to hear from someone who has first hand experience with the same hull, did you run a tran or direct drive?
                  Jacksonville Florida

                  Comment

                  • Jimmy Sterling
                    Senior Member
                    • Apr 2008
                    • 393

                    #10
                    Direct drive with an carbon X442 propeller.
                    Come to the FASST side

                    Comment

                    • DISAR
                      Fast Electric Addict!
                      • Aug 2007
                      • 1072

                      #11
                      Lipos are far better. There are two options:

                      1) Use 2 batteries 11.1V(3s2p) in parallel with 2200 mah and upwards as much as you can afford. This is the cheapest solution, you will have good speed and long run times. You can find many of these in e-bay.

                      2) Use 2, 7.4V in series (4s1p). Speed will be higher and as you go up with mah run times will be longer.

                      I used both and for charger the Imax B5 from ebay, no problems so far. For the 7.4V you can try also RCLIPOS (http://www.rclipos.com/) the Elite lipos.
                      Twin Cat 135, Sprintcat40 (single-twin), DF 35", Maritimo, Mean Machine, SV 27
                      http://www.rcfastboats.com/

                      Comment

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