Bustitup Sprintcat 40 need help

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  • bustitup
    Fast Electric Addict!
    • Aug 2008
    • 3071

    #16
    Originally posted by Rumdog
    I didn't notice any porpoising in the vid.
    so rummy...you think its running normal? honest question

    the changes I made are i lowered the strut from 5/8" above sponsons to 3/16"

    added a 240 prather

    move the batterys back about 1/2"

    waiting for the rain to stop
    SPRINT CAT 40.........BOOGIMAN 25" MONO 8xl
    EX President of the Offshore FE Vultures Society

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    • Rumdog
      Fast Electric Addict!
      • Mar 2009
      • 6453

      #17
      No. Not after seeing the second vid you posted. Sounds like the prop is constantly loading and unloading. If I were doing it, I'd make one change at a time. Process of elimination. That way, you know what exactly caused it.

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      • bustitup
        Fast Electric Addict!
        • Aug 2008
        • 3071

        #18
        Originally posted by Rumdog
        No. Not after seeing the second vid you posted. Sounds like the prop is constantly loading and unloading. If I were doing it, I'd make one change at a time. Process of elimination. That way, you know what exactly caused it.
        your right...too late

        I will do that on the next tuning
        SPRINT CAT 40.........BOOGIMAN 25" MONO 8xl
        EX President of the Offshore FE Vultures Society

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        • Rumdog
          Fast Electric Addict!
          • Mar 2009
          • 6453

          #19
          You get a run in today, Bustit?

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          • bustitup
            Fast Electric Addict!
            • Aug 2008
            • 3071

            #20
            No sir

            Had do watch my grandkids
            Originally posted by bustitup
            also look and listen to my first turn where I get off the throttle and you can hear a spinning or slipping of the prop

            from suggestions that have been given here especially from Fluid and Raydee ....my next move is to go up to a prather 240.....if his theory of prather having more lift is right than my 235 prather may be lifting but its not big enough to hold the hull "up" under full load...so the bigger prop may help....with all that waisted energy of lifting and dropping this boat should hit 60+ easily..........both videos at 57mph I have the hammer down even into the turns....I may also move the batts towards the back a little after the bigger prop

            another thing is why the heck am I running a left hand oval?..LOL
            Originally posted by Rumdog
            You get a run in today, Bustit?
            SPRINT CAT 40.........BOOGIMAN 25" MONO 8xl
            EX President of the Offshore FE Vultures Society

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