"ETTI" Rigger (Demon) building directions

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  • bigpapa
    Fast Electric Addict!
    • Apr 2009
    • 2330

    #31
    Great looking boat you got .................
    THUNDER TIGER OUTLAW,THUNDER TIGER BANDIT
    CARBON FIBER MINICAT HYDRO,MINICAT HYDRO,PROBOAT MISS GEICO,SKUNKWORKS 32" CAT TWIN, H@M VIPER TURBINE ---JEFF WOHLT WIRE DRIVES

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    • mickvk
      Senior Member
      • Jun 2009
      • 213

      #32
      turn fin

      I bought this kit but there's no turn fin included. Any recommendations? I was just going to take a stab at fabricating a bar and slap a fin on it near the center of gravity.

      Comment

      • astecme
        Junior Member
        • Aug 2007
        • 28

        #33
        Etti turn fin of course
        www.astecmodels.co.uk 100+ pages of FE info and products

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        • mickvk
          Senior Member
          • Jun 2009
          • 213

          #34
          Originally posted by astecme
          Etti turn fin of course

          Ah, I wish it was that easy. The ETTI provides no instructions and indicates no part. There's a "Customers who bought this also considered..." link to a turn fin here:

          http://www.etti.com.hk/product_info.php?products_id=278

          but it doesn't have the bracket pictured in this build thread. I still haven't gotten around to finishing this one and spring is here!

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          • astecme
            Junior Member
            • Aug 2007
            • 28

            #35
            That specific part comes with the bracket. There is a "spare" that comes without the bracket.

            On mine the fin is without the bracket and bolted through the sponson, centre hole 1 3/4" forward from the rear - turns like a dream. BUT - you will see other builds. The closer the fin is to the c of g the faster the boat will turn.
            www.astecmodels.co.uk 100+ pages of FE info and products

            Comment

            • mickvk
              Senior Member
              • Jun 2009
              • 213

              #36
              Originally posted by astecme
              That specific part comes with the bracket. There is a "spare" that comes without the bracket.

              On mine the fin is without the bracket and bolted through the sponson, centre hole 1 3/4" forward from the rear - turns like a dream. BUT - you will see other builds. The closer the fin is to the c of g the faster the boat will turn.
              Well that piece of information is a huge help. I think I'll follow your lead and put the fin in on the sponson instead of using a long bracket... Thanks for the advice.

              Comment

              • mickvk
                Senior Member
                • Jun 2009
                • 213

                #37
                Power system?

                I plan on running a 540 size 8L motor (3072 kv) running 3S. Unloaded RPM would be 34,099. I'm hoping to hit upper 40's with a Y536 or so.

                What power is anybody else running? Any data? Can't wait to get this thing wet!

                Comment

                • Ub Hauled
                  Fast Electric Addict!
                  • Aug 2007
                  • 3031

                  #38
                  I am trying to get a 1509/1D or a Lehner 1920/4 to work with her... I need to adjust my sponsons AOA tough... it's running way too wet... had a few passes, no data as of yet.
                  :::::::::::::::. It's NEVER fast enough! .:::::::::::::::

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                  • mickvk
                    Senior Member
                    • Jun 2009
                    • 213

                    #39
                    UB, this may sound a little naive, but I'm kind of new at this... Once you have drilled and epoxied your spars in... How will you adjust your angle of attack?

                    And what are you at now - and where are you going to adjust it to..?

                    It would be a great help, thanks.

                    Comment

                    • hazegry
                      Senior Member
                      • Jun 2010
                      • 815

                      #40
                      I just ordered this hull cant wait for it to get here

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