crackerbox motor esc options

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  • ozboater
    Senior Member
    • May 2007
    • 415
    #1

    crackerbox motor esc options

    my vac-u-cracker project has been on hold for a while but now i m ready to add the motor and esc... i understand that this is more of a drivers boat than a flat out speed machine but i d like to make it hit the mid 20s if possbile... obviously i don t want to over-power the boat and spend more time fishing it out of the pond upside down...

    i still use matched 6 cell nimh bats for the meantime and thats what i ll be using to power the cracker... can you guys give me some options for brushless power... i m totally open to cheapo chinese motors and escs since i ve had good luck with these in my SV...

    i appreciate and and all advice... the boat is looking good so far and i m stoked to get it in the water in the next month or so...
    Tags: None
    • Fluid
      Fast and Furious
      • Apr 2007
      • 8012
      #2
      When my club raced CBoxes years ago we used ROAR '91 stock 05 motors on 6 round cells and easily got in to the low/mid 20s. The problem was keeping the boat on the water for very long at that speed - that's why the NAMBA SAW record for CBoxes is only 22 mph. You can probably get by with a 380-sized motor although a larger 540 is probably better. Choose a Kv around 4000/4400 in a short motor.

      Tricks that worked to keep me in first place more often than not included:
      - a large turn fin about 3/4" square.
      - a prop no bigger than an x435
      - Minimum rudder endpoints - 3/16" movement to each side measured at the trailing edge
      - trim tabs bent very slightly down below the bottom
      - sanded the bottom with 400-grit wet-or-dry paper used wet
      - keep you eye on the boat at ALL TIMES

      .
      ERROR 403 - This is not the page you are looking for

        Comment

        • ozboater
          Senior Member
          • May 2007
          • 415
          #3
          awesome JT, thanks a bunch... any recommendations on a cheapo ESC ??

          merry xmas

            Comment

            • ozboater
              Senior Member
              • May 2007
              • 415
              #4
              ok... so i m thinking about an feigao 8S from steve here at OSE and possibly one of these ESCs...

              http://www.hobbycity.com/hobbycity/store/uh_viewItem.asp?idProduct=7360&Product_Name=Turnigy_Marine_60A_Brushless_Boat_ESC


              does anyone have any experience with the turnigy marine stuff ?? any advice would be a great help tp this newby...

              cheers

                Comment

                • ozboater
                  Senior Member
                  • May 2007
                  • 415
                  #5
                  anyone ??

                    Comment

                    • ozboater
                      Senior Member
                      • May 2007
                      • 415
                      #6
                      since i seem to be talking mostly to myself the project hasn t progressed

                      i was thinging about an 8S but a good friend of mine has made me think... how about a 10S ??? would the cracker get to a decent clip with the 10S ?? would a 60 A ESC handle it ???

                      cheers

                      ozboater

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